input
stringlengths
20
127k
target
stringlengths
20
119k
problem_id
stringlengths
6
6
n,x,y = list(map(int, input().split())) list =[] for i in range(n): for j in range(i): b = i+1 a = j+1 if a<=x and b>=y: list.append(b-y+x-a+1) elif a>x and b>=y: d =min(a-x+1,y-a) list.append(d+b-y) elif a<=x and b<y: d =min(b-x,y-b+1) list.append(x-a+d) elif a>x and b<y: list.append(min(b-a,y-b+a-x+1)) else: list.append(b-a) for i in range(n-1): print((list.count(i+1)))
n,x,y=list(map(int,input().split())) ans=[0]*n list =[] for i in range(n): for j in range(i): b = i+1 a = j+1 if a<=x and b>=y: k =b-y+x-a+1 elif a>x and b>=y: d =min(a-x+1,y-a) k =d+b-y elif a<=x and b<y: d =min(b-x,y-b+1) k =x-a+d elif a>x and b<y: k = min(b-a,y-b+a-x+1) ans[k]+=1 for i in range(1,n): print((ans[i]))
p02726
N,X,Y = list(map(int,input().split())) data = [[3000]*N for _ in range(N)] for i in range(N-1): data[i][i+1] = 1 data[i+1][i] = 1 data[i][i] = 0 data[0][0] = 0 data[X-1][Y-1] = 1 data[Y-1][X-1] = 1 for k in range(N): for i in range(N): for j in range(N): data[i][j] = min(data[i][j],data[i][k]+data[k][j]) for i in range(N-1): counter = 0 for j in range(N): counter += data[j].count(i+1) print((int(counter//2)))
N,X,Y = list(map(int,input().split())) a = [0]*(N-1) for i in range(1,N): for j in range(i+1,N+1): ans = min(j-i,abs(X-i)+1+abs(Y-j),abs(X-j)+1+abs(Y-i)) a[ans -1] += 1 for item in a: print(item)
p02726
import heapq import sys from collections import defaultdict input = sys.stdin.readline def dijkstra_heap(s,edge,n): #始点sから各頂点への最短距離 d = [10**20] * n used = [True] * n #True:未確定 d[s] = 0 used[s] = False edgelist = [] for a,b in edge[s]: heapq.heappush(edgelist,a*(10**6)+b) while len(edgelist): minedge = heapq.heappop(edgelist) #まだ使われてない頂点の中から最小の距離のものを探す if not used[minedge%(10**6)]: continue v = minedge%(10**6) d[v] = minedge//(10**6) used[v] = False for e in edge[v]: if used[e[1]]: heapq.heappush(edgelist,(e[0]+d[v])*(10**6)+e[1]) return d def main(): N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 edge = [[] for _ in range(N)] for i in range(N-1): edge[i].append((1,i+1)) edge[i+1].append((1,i)) edge[X].append((1,Y)) edge[Y].append((1,X)) d = [] for i in range(N): tmp = dijkstra_heap(i, edge, N) d.append(tmp) e = defaultdict(int) for i in range(N): for j in range(i,N): if i == j: continue e[d[i][j]] += 1 for i in range(1,N): print((e[i])) if __name__ == "__main__": main()
def main(): N, X, Y = list(map(int, input().split())) tree = [[float('inf')] * N for _ in range(N)] ans = [0] * (N + 1) X -= 1 Y -= 1 for i in range(N): for j in range(i,N): dist = min(j - i, abs(X - i) + 1 + abs(Y - j)) ans[dist] += 1 for i in range(1,N): print((ans[i])) if __name__ == "__main__": main()
p02726
N, X, Y = list(map(int, input().split(" "))) counts = [0 for i in range(N-1)] distances = [[] for i in range(N-1)] for i in range(N): for j in range(i+1, N): dis = j-i if i <= X-1 : if j >= Y-1: dis -= Y-X-1 elif j < Y-1: dis = min([j-i, (X-1)-i+1+abs(j-(Y-1))]) else: dis = min([j-i, i-(X-1)+1+abs(j-(Y-1))]) distances[i].append(dis) for i in range(N-1): for j in range(N-i-1): k = distances[i][j]-1 counts[k] += 1 for k in range(N-1): print((counts[k]))
N, X, Y = list(map(int, input().split(" "))) counts = [0 for i in range(N-1)] for i in range(N): for j in range(i+1, N): if i <= X-1 : if j >= Y-1: dis = j-i -(Y-X-1) elif j < Y-1: dis = min([j-i, (X-1)-i+1+abs(j-(Y-1))]) else: dis = min([j-i, i-(X-1)+1+abs(j-(Y-1))]) # distances[i].append(dis) k = dis-1 counts[k] += 1 for k in range(N-1): print((counts[k]))
p02726
from collections import deque infty = 10 ** 4 def BFS(G, D, u): queue = deque() queue.append(u) visit = [False for k in range(len(D))] d = 0 L = 1 visit[i] = True while queue: add_v = 0 while L > 0: v = queue.popleft() D[v] = d L -= 1 for j in G[v]: if not visit[j]: queue.append(j) visit[j] = True add_v += 1 d += 1 L = add_v return D N, X, Y = list(map(int, input().split())) G = [[1]] for i in range(1, N - 1): G.append([i - 1, i + 1]) G.append([N - 2]) G[X - 1].append(Y - 1) G[Y - 1].append(X - 1) dist = [[infty for j in range(N)] for i in range(N)] for i in range(N): dist[i] = BFS(G, dist[i], i) count = [0 for i in range(N)] for i in range(N): for j in range(N): count[dist[i][j]] += 1 for i in range(N - 1): print((count[i + 1] // 2))
N, X, Y = list(map(int, input().split())) count = [0 for i in range(N)] dist = [[-1 for j in range(N)] for i in range(N)] for i in range(N): for j in range(i + 1, N): dist[i][j] = min(abs(j - i), abs(X - 1 - i) + 1 + abs(Y - 1 - j)) for i in range(N): for j in range(i + 1, N): count[dist[i][j]] += 1 for i in range(1, N): print((count[i]))
p02726
import heapq import sys def main(): input = sys.stdin.readline def dijkstra(s,edge): #始点sから各頂点への最短距離 d = [10**20] * n used = [True] * n #True:未確定 d[s] = 0 used[s] = False edgelist = [] for a,b in edge[s]: heapq.heappush(edgelist,a*(10**6)+b) while len(edgelist): minedge = heapq.heappop(edgelist) #まだ使われてない頂点の中から最小の距離のものを探す if not used[minedge%(10**6)]: continue v = minedge%(10**6) d[v] = minedge//(10**6) used[v] = False for e in edge[v]: if used[e[1]]: heapq.heappush(edgelist,(e[0]+d[v])*(10**6)+e[1]) return d n,x,y = list(map(int,input().split())) edge = [[] for i in range(n)] #edge[i] : iから出る道の[重み,行先]の配列 for i in range(n-1): edge[i].append((1,i+1)) edge[i+1].append((1,i)) edge[x-1].append((1,y-1)) edge[y-1].append((1,x-1)) for i in range(n): edge[i] = tuple(edge[i]) edge = tuple(edge) ans = [0 for _ in range(n)] for i in range(n): #dijkstra(始点,edge) res = dijkstra(i,edge) for j in range(i+1,n): ans[res[j]] += 1 for i in range(1,n): print((ans[i])) if __name__ == '__main__': main()
import heapq import sys input = sys.stdin.readline def dijkstra(s,edge): #始点sから各頂点への最短距離 d = [10**20] * n used = [True] * n #True:未確定 d[s] = 0 used[s] = False edgelist = [] for a,b in edge[s]: heapq.heappush(edgelist,a*(10**6)+b) while len(edgelist): minedge = heapq.heappop(edgelist) #まだ使われてない頂点の中から最小の距離のものを探す if not used[minedge%(10**6)]: continue v = minedge%(10**6) d[v] = minedge//(10**6) used[v] = False for e in edge[v]: if used[e[1]]: heapq.heappush(edgelist,(e[0]+d[v])*(10**6)+e[1]) return d n,x,y = list(map(int,input().split())) edge = [[] for i in range(n)] #edge[i] : iから出る道の[重み,行先]の配列 for i in range(n-1): edge[i].append((1,i+1)) edge[i+1].append((1,i)) edge[x-1].append((1,y-1)) edge[y-1].append((1,x-1)) for i in range(n): edge[i] = tuple(edge[i]) edge = tuple(edge) ans = [0 for _ in range(n)] for i in range(n): #dijkstra(始点,edge) res = dijkstra(i,edge) for j in range(i+1,n): ans[res[j]] += 1 for i in range(1,n): print((ans[i]))
p02726
import heapq import sys input = sys.stdin.readline def dijkstra(s,edge): #始点sから各頂点への最短距離 d = [10**20] * n used = [True] * n #True:未確定 d[s] = 0 used[s] = False edgelist = [] for a,b in edge[s]: heapq.heappush(edgelist,a*(10**6)+b) while len(edgelist): minedge = heapq.heappop(edgelist) #まだ使われてない頂点の中から最小の距離のものを探す if not used[minedge%(10**6)]: continue v = minedge%(10**6) d[v] = minedge//(10**6) used[v] = False for e in edge[v]: if used[e[1]]: heapq.heappush(edgelist,(e[0]+d[v])*(10**6)+e[1]) return d n,x,y = list(map(int,input().split())) edge = [[] for i in range(n)] #edge[i] : iから出る道の[重み,行先]の配列 for i in range(n-1): edge[i].append([1,i+1]) edge[i+1].append([1,i]) edge[x-1].append([1,y-1]) edge[y-1].append([1,x-1]) ans = [0 for _ in range(n)] for i in range(n): #dijkstra(始点,edge) res = dijkstra(i,edge) for j in range(i+1,n): ans[res[j]] += 1 for i in range(1,n): print((ans[i]))
import heapq import sys def main(): input = sys.stdin.readline def dijkstra(s,edge): #始点sから各頂点への最短距離 d = [10**20] * n used = [True] * n #True:未確定 d[s] = 0 used[s] = False edgelist = [] for a,b in edge[s]: heapq.heappush(edgelist,a*(10**6)+b) while len(edgelist): minedge = heapq.heappop(edgelist) #まだ使われてない頂点の中から最小の距離のものを探す if not used[minedge%(10**6)]: continue v = minedge%(10**6) d[v] = minedge//(10**6) used[v] = False for e in edge[v]: if used[e[1]]: heapq.heappush(edgelist,(e[0]+d[v])*(10**6)+e[1]) return d n,x,y = list(map(int,input().split())) edge = [[] for i in range(n)] #edge[i] : iから出る道の[重み,行先]の配列 for i in range(n-1): edge[i].append((1,i+1)) edge[i+1].append((1,i)) edge[x-1].append((1,y-1)) edge[y-1].append((1,x-1)) for i in range(n): edge[i] = tuple(edge[i]) edge = tuple(edge) ans = [0 for _ in range(n)] for i in range(n): #dijkstra(始点,edge) res = dijkstra(i,edge) for j in range(i+1,n): ans[res[j]] += 1 for i in range(1,n): print((ans[i])) if __name__ == '__main__': main()
p02726
INT = lambda: int(eval(input())) INTM = lambda: list(map(int,input().split())) STRM = lambda: list(map(str,input().split())) STR = lambda: str(eval(input())) LIST = lambda: list(map(int,input().split())) LISTS = lambda: list(map(str,input().split())) def do(): n,x,y=INTM() z=y-x sc=y-x-1 loop=y-x+1 maxl=(n)-(y-x) for i in range(1,n): ct=0 if ct==0: for j in range(1,n): if j+i<=x or j>=y: if j+i<=n: ct+=1 else: if j<=x: if j+i+sc<=n: ct+=1 temp=i-(x-j) if temp>=2: if loop>temp*2: ct+=2 elif loop==temp*2: ct+=1 else: ct+=1 else: lpmin=min(y-j,+(j-x+1)) if lpmin==j-x+1: if lpmin==y-j: if lpmin+(n-y)>=i: ct+=1 else: if lpmin>i: ct+=1 elif lpmin==i: ct+=2 else: if lpmin+(n-y)>=i: ct+=1 if loop>i*2: ct+=2 elif loop==i*2: ct+=1 else: if lpmin+(n-y)>=i: ct+=1 #print(ct) print(ct) else: print(ct) if __name__ == '__main__': do()
INT = lambda: int(eval(input())) INTM = lambda: list(map(int,input().split())) STRM = lambda: list(map(str,input().split())) STR = lambda: str(eval(input())) LIST = lambda: list(map(int,input().split())) LISTS = lambda: list(map(str,input().split())) def do(): n,x,y=INTM() z=y-x sc=y-x-1 loop=y-x+1 maxl=n-(y-x)+loop//2+1 for i in range(1,n): ct=0 if i<maxl: for j in range(1,n): if j+i<=x or j>=y: if j+i<=n: ct+=1 else: if j<=x: if j+i+sc<=n: ct+=1 temp=i-(x-j) if temp>=2: if loop>temp*2: ct+=2 elif loop==temp*2: ct+=1 else: ct+=1 else: lpmin=min(y-j,+(j-x+1)) if lpmin==j-x+1: if lpmin==y-j: if lpmin+(n-y)>=i: ct+=1 else: if lpmin>i: ct+=1 elif lpmin==i: ct+=2 else: if lpmin+(n-y)>=i: ct+=1 if loop>i*2: ct+=2 elif loop==i*2: ct+=1 else: if lpmin+(n-y)>=i: ct+=1 #print(ct) print(ct) else: print(ct) if __name__ == '__main__': do()
p02726
n, x, y = list(map(int, input().split())) ans = [0 for i in range(n-1)] for i in range(n-1): for j in range(i+1, n): k = i + 1 l = j + 1 a = l - k b_1 = k - x b_2 = l - y c_1 = k - y c_2 = l - x if b_1 < 0: b_1 = - b_1 if b_2 < 0: b_2 = - b_2 if c_1 < 0: c_1 = - c_1 if c_2 < 0: c_2 = - c_2 b = b_1 + b_2 + 1 c = c_1 + c_2 + 1 if b < a: a = b if c < a: a = c ans[a-1] += 1 for i in ans: print(i)
n, x, y = list(map(int, input().split())) ans = [0 for i in range(n-1)] for i in range(n-1): k = i + 1 b_1 = k - x c_1 = k - y if b_1 < 0: b_1 = - b_1 if c_1 < 0: c_1 = - c_1 for j in range(i+1, n): l = j + 1 a = l - k b_2 = l - y c_2 = l - x if b_2 < 0: b_2 = - b_2 if c_2 < 0: c_2 = - c_2 b = b_1 + b_2 + 1 c = c_1 + c_2 + 1 if b < a: a = b if c < a: a = c ans[a-1] += 1 for i in range(n-1): print((ans[i]))
p02726
n, x, y = list(map(int, input().split())) ans = [0 for i in range(n-1)] for i in range(n-1): k = i + 1 b_1 = k - x if b_1 < 0: b_1 = - b_1 for j in range(i+1, n): l = j + 1 a = l - k b_2 = l - y if b_2 < 0: b_2 = - b_2 b = b_1 + b_2 + 1 if b < a: a = b ans[a-1] += 1 for i in range(n-1): print((ans[i]))
n, x, y = list(map(int, input().split())) ans = [0 for i in range(n-1)] for i in range(n-1): k = i + 1 b_1 = k - x for j in range(i+1, n): l = j + 1 a = l - k b = abs(k - x) + abs(l - y) + 1 if b < a: a = b ans[a-1] += 1 for i in range(n-1): print((ans[i]))
p02726
n, x, y = list(map(int, input().split())) ans = [0 for i in range(n-1)] for i in range(n-1): k = i + 1 b_1 = k - x for j in range(i+1, n): l = j + 1 a = l - k b = abs(k - x) + abs(l - y) + 1 if b < a: a = b ans[a-1] += 1 for i in range(n-1): print((ans[i]))
n, x, y = list(map(int, input().split())) ans = [0 for i in range(n-1)] for i in range(n-1): k = i + 1 b_1 = k - x for j in range(i+1, n): l = j + 1 a = l - k b = abs(k - x) + abs(l - y) + 1 if b < a: ans[b-1] += 1 else: ans[a-1] += 1 for i in range(n-1): print((ans[i]))
p02726
[N, X, Y] = [int(item) for item in input().split()] X -= 1 Y -= 1 array=[[-1 for _ in range(N)]for _ in range(N)] for i in range(N): for j in range(i,N): array[i][j]=min(abs(i-j),abs(i-X)+1+abs(Y-j),abs(i-Y)+1+abs(X-j)) #print(array) count=[0 for _ in range(N)] for i in range(N): for j in range(i,N): count[array[i][j]]+=1 for i in range(1,N): print((count[i])) #print(count)
[N, X, Y] = [int(item) for item in input().split()] X -= 1 Y -= 1 count=[0 for _ in range(N)] for i in range(N): for j in range(i,N): count[min(abs(i-j),abs(i-X)+1+abs(Y-j),abs(i-Y)+1+abs(X-j))]+=1 #print(array) for i in range(1,N): print((count[i])) #print(count)
p02726
n,x,y = list(map(int,input().split())) mn_ln = [[0 for _ in range(n-1)] for _ in range(n)] dic = {} x = x-1 y = y-1 for i in range(n): for j in range(n): if(i == j): break nm = abs(j - i) if(abs(x-i) > abs(y-i)): lp = abs(y-i) + abs(x-j) + 1 else: lp = abs(x-i) + abs(y-j) + 1 k = min(nm,lp) if(k in dic): dic[k] += 1 else: dic[k] = 1 #print(dic[2]) for i in range(1,n): if not (i in dic): print((0)) else: print((dic[i]))
n,x,y = list(map(int,input().split())) dic = {} x = x-1 y = y-1 for i in range(n): for j in range(n): if(i == j): break nm = abs(j - i) if(abs(x-i) > abs(y-i)): lp = abs(y-i) + abs(x-j) + 1 else: lp = abs(x-i) + abs(y-j) + 1 k = min(nm,lp) if(k in dic): dic[k] += 1 else: dic[k] = 1 for i in range(1,n): if not (i in dic): print((0)) else: print((dic[i]))
p02726
# coding: utf-8 # Your code here! #保存 import heapq import sys import itertools sys.setrecursionlimit(10**7) def bfs(cost,node): root[node]=min(root[node],cost) visited[node]=1 for next_n in way[node]: if visited[next_n]==0: heapq.heappush(q,[cost+1,next_n]) return N,X,Y=list(map(int,input().split())) r=[i for i in range(N)] way=[[] for i in range(N)] for i in range(N-1): way[i].append(i+1) way[i+1].append(i) way[X-1].append(Y-1) way[Y-1].append(X-1) #print(way) made=[] #print(q) for start in r: root=[10**9]*N visited=[0]*N #print(root) q=[[0,start]] heapq.heapify(q)#costとnode while q: temp=heapq.heappop(q) #print(temp) #print(temp) if visited[temp[1]]==0: bfs(temp[0],temp[1]) made.append(root) #print(made) ans=[0]*(N) for item in made: for num in item: ans[num]+=1 for a in ans[1:]: print((a//2)) """ ans=10**9 for order in itertools.permutations([i for i in range(len(r))]): #print(order) temp=0 for i in range(len(order)-1): fro=r[order[i]] aft=r[order[i+1]] #print("YES") #print(order[i]-1,order[i+1]-1) #print(root[order[i]-1][0]) temp+=abs(made[order[i]][aft-1]-made[order[i]][fro-1]) ans=min(ans,temp) print(ans) """
# coding: utf-8 # Your code here! N,X,Y=list(map(int,input().split())) X-=1 Y-=1 ans=[0]*N for n in range(N-1): for tgt in range(n+1,N): temp=min(abs(tgt-n),abs(n-X)+abs(Y-tgt)+1) #print(n,tgt,temp) ans[temp]+=1 for a in ans[1:]: print(a)
p02726
INF = float('inf') N, X, Y = list(map(int, input().split())) G = [[0 if i == j else INF for j in range(N)] for i in range(N)] for i in range(N-1): G[i][i+1] = G[i+1][i] = 1 G[X-1][Y-1] = G[Y-1][X-1] = 1 for k in range(N): for i in range(N): for j in range(N): G[i][j] = min(G[i][j], G[i][k] + G[k][j]) for k in range(1, N): rk = 0 for i in range(N): for j in range(N): if j <= i: continue if G[i][j] == k: rk += 1 print(rk)
N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 R = [0 for j in range(N)] for i in range(N-1): for j in range(N): if j <= i: continue xd = abs(i - X) yd = abs(j - Y) dist = min( j - i, xd + yd + 1 ) R[dist] += 1 for r in R[1:]: print(r)
p02726
import sys,collections as cl,bisect as bs sys.setrecursionlimit(100000) input = sys.stdin.readline mod = 10**9+7 Max = sys.maxsize def l(): #intのlist return list(map(int,input().split())) def m(): #複数文字 return list(map(int,input().split())) def onem(): #Nとかの取得 return int(eval(input())) def s(x): #圧縮 a = [] if len(x) == 0: return [] aa = x[0] su = 1 for i in range(len(x)-1): if aa != x[i+1]: a.append([aa,su]) aa = x[i+1] su = 1 else: su += 1 a.append([aa,su]) return a def jo(x): #listをスペースごとに分ける return " ".join(map(str,x)) def max2(x): #他のときもどうように作成可能 return max(list(map(max,x))) def In(x,a): #aがリスト(sorted) k = bs.bisect_left(a,x) if k != len(a) and a[k] == x: return True else: return False """ def nibu(x,n,r): ll = 0 rr = r while True: mid = (ll+rr)//2 if rr == mid: return ll if (ここに評価入れる): rr = mid else: ll = mid+1 """ import heapq def dijkstra(s,n,w,cost): #始点sから各頂点への最短距離 #n:頂点数, w:辺の数, cost[u][v] : 辺uvのコスト(存在しないときはinf) d = [float("inf")] * n used = [False] * n d[s] = 0 while True: v = -1 #まだ使われてない頂点の中から最小の距離のものを探す for i in range(n): if (not used[i]) and (v == -1): v = i elif (not used[i]) and d[i] < d[v]: v = i if v == -1: break used[v] = True for j in range(n): d[j] = min(d[j],d[v]+cost[v][j]) return d def warshall_floyd(n,d): for k in range(n): for i in range(n): for j in range(n): d[i][j] = min(d[i][j],d[i][k] + d[k][j]) return d n,x,y = m() dp = [[mod for i in range(n)] for j in range(n)] for i in range(n): dp[i][i] = 0 for i in range(n-1): dp[i][i+1] = 1 for i in range(1,n): dp[i][i-1] = 1 dp[x-1][y-1] = 1 dp[y-1][x-1] = 1 po = dijkstra(x-1,n,n,dp) ppo = dijkstra(y-1,n,n,dp) ans = [0 for i in range(n)] ppp = warshall_floyd(n,dp) for i in range(n): for j in range(n): on = min(dp[i][j],po[i]+po[j],ppo[i]+ppo[j],po[i]+ppo[j] + 1,ppo[i]+po[j] + 1) #print(i,j,on) #print(ppp[i][j]) ans[on] += 1 for i in range(1,n): print((ans[i]//2))
import sys,collections as cl,bisect as bs sys.setrecursionlimit(100000) input = sys.stdin.readline mod = 10**9+7 Max = sys.maxsize def l(): #intのlist return list(map(int,input().split())) def m(): #複数文字 return list(map(int,input().split())) def onem(): #Nとかの取得 return int(eval(input())) def s(x): #圧縮 a = [] if len(x) == 0: return [] aa = x[0] su = 1 for i in range(len(x)-1): if aa != x[i+1]: a.append([aa,su]) aa = x[i+1] su = 1 else: su += 1 a.append([aa,su]) return a def jo(x): #listをスペースごとに分ける return " ".join(map(str,x)) def max2(x): #他のときもどうように作成可能 return max(list(map(max,x))) def In(x,a): #aがリスト(sorted) k = bs.bisect_left(a,x) if k != len(a) and a[k] == x: return True else: return False """ def nibu(x,n,r): ll = 0 rr = r while True: mid = (ll+rr)//2 if rr == mid: return ll if (ここに評価入れる): rr = mid else: ll = mid+1 """ import heapq def dijkstra(s,n,w,cost): #始点sから各頂点への最短距離 #n:頂点数, w:辺の数, cost[u][v] : 辺uvのコスト(存在しないときはinf) d = [float("inf")] * n used = [False] * n d[s] = 0 while True: v = -1 #まだ使われてない頂点の中から最小の距離のものを探す for i in range(n): if (not used[i]) and (v == -1): v = i elif (not used[i]) and d[i] < d[v]: v = i if v == -1: break used[v] = True for j in range(n): d[j] = min(d[j],d[v]+cost[v][j]) return d def warshall_floyd(n,d): for k in range(n): for i in range(n): for j in range(n): d[i][j] = min(d[i][j],d[i][k] + d[k][j]) return d n,x,y = m() dp = [[mod for i in range(n)] for j in range(n)] for i in range(n): dp[i][i] = 0 for i in range(n-1): dp[i][i+1] = 1 for i in range(1,n): dp[i][i-1] = 1 dp[x-1][y-1] = 1 dp[y-1][x-1] = 1 po = dijkstra(x-1,n,n,dp) ppo = dijkstra(y-1,n,n,dp) ans = [0 for i in range(n)] for i in range(n): for j in range(n): on = min(abs(i-j),po[i]+po[j],ppo[i]+ppo[j],po[i]+ppo[j] + 1,ppo[i]+po[j] + 1) #print(i,j,on) #print(ppp[i][j]) ans[on] += 1 for i in range(1,n): print((ans[i]//2))
p02726
from collections import deque n, x, y = list(map(int, input().split())) inf = 100100100 x -= 1 y -= 1 ans = [0] * n for i in range(n): dist = [inf] * n queue = deque() queue.append(i) dist[i] = 0 while queue: current = queue.popleft() d = dist[current] if current - 1 >= 0 and dist[current - 1] == inf: queue.append(current - 1) dist[current - 1] = d + 1 if current + 1 < n and dist[current + 1] == inf: queue.append(current + 1) dist[current + 1] = d + 1 if current == x and dist[y] == inf: queue.append(y) dist[y] = d + 1 if current == y and dist[x] == inf: queue.append(x) dist[x] = d + 1 for j in range(n): ans[dist[j]] += 1 for k in range(1, n): print((ans[k] // 2))
from collections import deque, Counter n, x, y = list(map(int, input().split())) inf = 100100100 x -= 1 y -= 1 ans = [0] * n for i in range(n): dist = [inf] * n queue = deque() queue.append(i) dist[i] = 0 while queue: current = queue.popleft() d = dist[current] if current - 1 >= 0 and dist[current - 1] == inf: queue.append(current - 1) dist[current - 1] = d + 1 if current + 1 < n and dist[current + 1] == inf: queue.append(current + 1) dist[current + 1] = d + 1 if current == x and dist[y] == inf: queue.append(y) dist[y] = d + 1 if current == y and dist[x] == inf: queue.append(x) dist[x] = d + 1 for j in range(n): ans[dist[j]] += 1 for k in range(1, n): print((ans[k] // 2))
p02726
# D # -*- coding: utf-8 -*- N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 ans_list = [[-1 for _ in range(N)] for _ in range(N)] for i in range(N - 1): for j in range(i + 1, N): # ans_list[i][j] = min(abs(j - i), abs(X - i) + 1 + abs(j - Y)) ans_list[i][j] = min(abs(j - i), abs(X - i) + 1 + abs(j - Y)) for i in range(1, N): ans = 0 for j in range(N): ans += ans_list[j].count(i) print(ans)
# D # -*- coding: utf-8 -*- N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 ans_list = [0 for _ in range(N)] for i in range(N - 1): for j in range(i + 1, N): ans_list[min(abs(j - i), abs(X - i) + 1 + abs(j - Y))] += 1 for i in range(1, N): print((ans_list[i]))
p02726
n, x, y = [int(i) for i in input().split()] ans = [0]*n for i in range(n-1): for j in range(i+1, n): ans[min(j-i, abs(x-(i+1))+abs((j+1)-y)+1)] += 1 print(*ans[1:], sep='\n')
n, x, y = [int(i) for i in input().split()] ans = [0]*n for i in range(1, n): for j in range(i+1, n+1): ans[min(j-i, abs(x-i)+abs(j-y)+1)] += 1 print(*ans[1:], sep='\n')
p02726
import heapq def set_heapq(que, edge, used, v, add_dist=0): ''' 確定地点vからつながる辺を全てqueに設定し、返却する Parameters que : heapque(touple or list) 辺を管理するキュー (距離、次の行き先)のtopuleまたはlistにて管理 edge : list 全ての辺を格納する二次元のリスト edge[0]にてノード0から伸びる辺であることを表し、 edge[0] → [距離、次の行き先] を表すlistが格納されている v : int グラフ上のノード ダイクストラでは確定したノードがvにあたる add_dist : int 確定した地点に足し合わせる距離 スタート地点以外では何かしらの値が追加されることになる Returns que : heapque(touple or list) 引数queにvからつながる辺を追加したキュー ''' for a,b in edge[v]: if used[b]: heapq.heappush(que,(a+add_dist,b)) return que def dijkstra_heap(n, s, edge): ''' ダイクストラ法でsで指定された地点からの全てのノードまでの最短距離を返却 Parameters n : int ノードの数 s : int スタート地点 edge : list 全ての辺を格納する二次元のリスト edge[0]にてノード0から伸びる辺であることを表し、 edge[0] → [距離、次の行き先] を表すlistが格納されている Returns d : list スタート地点から全てのノードの最短距離のリスト ''' d = [float("inf")] * n used = [True] * n #True:未確定 d[s], used[s] = 0, False edgelist = set_heapq([], edge, used, s) while len(edgelist): a, b = heapq.heappop(edgelist) #まだ使われてない頂点の中から最小の距離のものを探す if not used[b]: continue d[b], used[b] = a, False # 確定地点vからつながる辺を全て優先度付きキューに入れる edgelist = set_heapq(edgelist, edge, used, b, d[b]) return d N, X, Y = list(map(int, input().split())) X, Y = X-1, Y-1 edge = [[] for _ in range(N)] for i in range(N-1): x, y = i, i+1 edge[x].append((1, y)) edge[y].append((1, x)) edge[X].append((1, Y)) edge[Y].append((1, X)) tmp = [] for i in range(N): tmp.append(dijkstra_heap(N, i, edge)) #print(tmp) ans = [] for i in range(N): for j in range(i+1,N): ans.append(tmp[i][j]) from collections import Counter c = Counter(ans) for i in range(1, N): print((c[i]))
from itertools import combinations from collections import Counter N, X, Y = list(map(int, input().split())) X, Y = X-1, Y-1 ans = [] for i, j in combinations(list(range(N)), 2): ans.append(min(j-i, 1+abs(i-X)+abs(j-Y))) c = Counter(ans) for i in range(1,N): print((c[i]))
p02726
import sys from itertools import combinations from collections import Counter N, X, Y = list(map(int, sys.stdin.readline().rstrip().split())) nodes = list(range(1, N + 1)) distance_counter = Counter() a = Y - X - 1 p = (Y - X) // 2 + X ans = [] for i, j in combinations(nodes, 2): if j - i == 1: continue distance = min(abs(X - i) + abs(Y - j) + 1, j - i) distance_counter[distance] += 1 for k in range(1, N): if k == 1: ans.append(N) else: ans.append(distance_counter.get(k, 0)) print(('\n'.join(map(str, ans))))
import sys N, X, Y = list(map(int, sys.stdin.readline().rstrip().split())) nodes = list(range(1, N + 1)) ans = [0] * N for i in range(1, N): for j in range(i + 2, N + 1): distance = min(abs(X - i) + abs(Y - j) + 1, j - i) ans[distance] += 1 for k in range(1, N): if k == 1: print(N) else: print((ans[k]))
p02726
N,X,Y = list(map(int,input().split())) ans = [0] * (N-1) for i in range(1,N+1): for j in range(1,N+1): if i != j: min_distance = min(abs(i-j), abs(i-X)+abs(j-Y)+1, abs(j-X)+abs(i-Y)+1) ans[min_distance-1] += 1 for i in range(N-1): print((int(ans[i]/2)))
N,X,Y = list(map(int,input().split())) ans = [0] * (N-1) for i in range(1,N): for j in range(i+1,N+1): min_distance = min(abs(i-j), abs(i-X)+abs(j-Y)+1, abs(j-X)+abs(i-Y)+1) ans[min_distance-1] += 1 for i in range(N-1): print((ans[i]))
p02726
n,x,y=list(map(int,input().split())) ans=[[1000000]*n for i in range(n)] for i in range(n-1): for j in range(i+1,n): ans[i][j]=min(j-i,abs(x-1-i)+1+abs(y-1-j)) _ans=[0]*(n-1) for i in range(n-1): for j in range(i+1,n): _ans[ans[i][j]-1]+=1 for i in range(n-1): print((_ans[i]))
N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 out = [0] * N for i in range(N-1): for j in range(i+1, N): out[min(j-i, abs(i-X)+1+abs(j-Y))] += 1 for i in range(1, N): print((out[i]))
p02726
from collections import deque n, x, y = list(map(int, input().split())) graph = [[i-1,i+1] for i in range(n+1)] graph[1]=[2] graph[n]=[n-1] graph[0]=[0] graph[x].append(y) graph[y].append(x) def bfs(start,graph2): dist = [-1] * (n+1) dist[0] = 0 dist[start] = 0 d = deque() d.append(start) while d: v = d.popleft() for i in graph2[v]: if dist[i] != -1: continue dist[i] = dist[v] + 1 d.append(i) dist = dist[start+1:] return dist ans = [0]*n for j in range(1,n): dist = bfs(j,graph) for k in range(1,n): ans[k] += dist.count(k) for x in range(1,n): print((ans[x]))
from collections import deque n, x, y = list(map(int, input().split())) graph = [[i-1,i+1] for i in range(n+1)] graph[1]=[2] graph[n]=[n-1] graph[0]=[0] graph[x].append(y) graph[y].append(x) def bfs(start,graph2): dist = [-1] * (n+1) dist[0] = 0 dist[start] = 0 d = deque() d.append(start) while d: v = d.popleft() for i in graph2[v]: if dist[i] != -1: continue dist[i] = dist[v] + 1 d.append(i) dist = dist[start+1:] return dist ans=[0 for _ in range(n-1)] for i in range(1,n+1): for j in bfs(i,graph): ans[j-1] +=1 for i in ans: print(i)
p02726
from collections import Counter n,x,y = list(map(int, input().split())) x -= 1 y -= 1 ans = [0]*n dp = [[0]*n for _ in range(n)] for i in range(n): for j in range(n): ans[min(abs(i-j),(abs(i-x)+abs(j-y)+1),(abs(i-y)+abs(j-x)+1))]+=1 for k in range(1,n): print((ans[k]//2))
from collections import Counter n,x,y = list(map(int, input().split())) x -= 1 y -= 1 ans = [0]*n dp = [[0]*n for _ in range(n)] for i in range(n): for j in range(i,n): ans[min(abs(i-j),(abs(i-x)+abs(j-y)+1),(abs(i-y)+abs(j-x)+1))]+=1 for k in range(1,n): print((ans[k]))
p02726
import sys input = lambda: sys.stdin.readline().rstrip() from collections import deque N,X,Y = list(map(int, input().split())) edges = [[] for _ in range(N)] for i in range(N-1): edges[i].append(i+1) edges[i+1].append(i) edges[X-1].append(Y-1) edges[Y-1].append(X-1) ans = [0] * (N-1) queue = deque([]) def bfs(start): queue.extend(edges[start]) visited = [False] * N visited[start] = True i = 0 while queue: length = len(queue) for l in range(length): current = queue.popleft() if not visited[current]: ans[i] += 1 if edges[current]: queue.extend(edges[current]) visited[current] = True i += 1 for i in range(N): bfs(i) for i in ans: print((i // 2))
import sys input = lambda: sys.stdin.readline().rstrip() from collections import deque N,X,Y = list(map(int, input().split())) queue = deque() edges = [[] for _ in range(N)] for i in range(N-1): edges[i].append(i+1) edges[i+1].append(i) edges[X-1].append(Y-1) edges[Y-1].append(X-1) ans = [0] * N for i in range(N): visited = [0] * N visited[i] = 1 queue.append((i,0)) while queue: current, dist = queue.popleft() ans[dist] += 1 for e in edges[current]: if visited[e] != 1: queue.append((e, dist+1)) visited[e] = 1 ans = ans[1:] for a in ans: print((a//2))
p02726
""" import random import functools import copy import bisect import array import re import collections import heapq import fractions import itertools import string import math from operator import itemgetter as ig from bisect import bisect_left, bisect_right, insort_left, insort_right from itertools import permutations, combinations, product, accumulate, groupby from heapq import heappush, heappop from collections import deque, defaultdict, Counter import sys sys.setrecursionlimit(10 ** 7) # import numpy as np inf = 10 ** 20 INF = float("INF") mod = 10 ** 9 + 7 dd = [(-1, 0), (0, 1), (1, 0), (0, -1)] ddn = dd + [(-1, 1), (1, 1), (1, -1), (-1, -1)] ddn9 = ddn + [(0, 0)] '''for dx, dy in dd: nx = j + dx; ny = i + dy if 0 <= nx < w and 0 <= ny < h:''' """ from collections import deque from collections import deque, defaultdict, Counter import math import sys sys.setrecursionlimit(10 ** 7) def wi(): return list(map(int, sys.stdin.readline().split())) # WideIntPoint def wip(): return [int(x) - 1 for x in sys.stdin.readline().split()] def ws(): return sys.stdin.readline().split() def si(): return int(sys.stdin.readline()) # SingleInt def ss(): return eval(input()) def hi(n): return [si() for _ in range(n)] def hs(n): return [ss() for _ in range(n)] # HeightString def s_list(): return list(eval(input())) def mi(n): return [wi() for _ in range(n)] # MatrixInt def mip(n): return [wip() for _ in range(n)] def ms(n): return [ws() for _ in range(n)] def num_grid(n): return [[int(i) for i in sys.stdin.readline().split()[ 0]] for _ in range(n)] # NumberGrid def grid(n): return [s_list() for _ in range(n)] def gcd(a, b): while b: a, b = b, a % b return a # a/b の切り上げ def round_up(a, b): """ a/b の切り上げ """ c = (a + b - 1) / b return c def lcm(a, b): """a,bの最小公倍数""" return a * b // gcd(a, b) def main(): n, x, y = list(map(int, input().split())) ans = [0] * n for i in range(1, n+1): for j in range(i+1, n+1): a = min(abs(x-i)+1+abs(j-y), abs(j-i)) ans[a] += 1 for i in range(1, len(ans)): print((ans[i])) if __name__ == '__main__': main()
N, X, Y = list(map(int, input().split())) ans = [0]*N for i in range(1, N): for j in range(i+1, N+1): d = min(j - i, abs(X - i) + 1 + abs(Y - j)) ans[d] += 1 for i in range(1, N): print((ans[i]))
p02726
from collections import defaultdict, deque N, X, Y = list(map(int, input().split())) G = defaultdict(list) for i in range(1, N): G[i].append(i+1) G[i+1].append(i) #print(G) G[X].append(Y) G[Y].append(X) #print(G) d = [0] * N for i in range(1, N+1): q = deque() q.append(i) visit = [-1]*N visit[i-1] = 0 while q: p = q.popleft() for next_p in G[p]: if visit[next_p-1] == -1: visit[next_p-1] = visit[p-1] + 1 q.append(next_p) for l in range(N): d[visit[l]] += 1 for k in range(1, N): print((d[k]//2))
N, X, Y = list(map(int, input().split())) d = [0] * N for i in range(0, N-1): for j in range(i+1, N): k = min(j-i, abs(X-1-i) + 1 + abs(Y-1-j)) d[k] += 1 for i in range(1, N): print((d[i]))
p02726
import queue N,X,Y=list(map(int,input().split())) X -= 1 Y -= 1 INF = 1001001001 ans=[0]*N def push(v, d): if dist[v]!= INF: return dist[v]=d q.put(v) for sv in range(N): q=queue.Queue() dist=[INF]*N push(sv,0) while(not q.empty()): v=q.get() d=dist[v] if v-1 >= 0: push(v-1, d+1) if v+1 < N: push(v+1,d+1) if v==X: push(Y,d+1) if v==Y: push(X,d+1) for i in range(N): ans[dist[i]] +=1 for i in range(1,N): print((int(ans[i]/2)))
import queue N,X,Y=list(map(int,input().split())) X-=1 Y-=1 ans=[0]*N for i in range(N-1): for j in range(i+1,N): ans[min(j-i, abs(X-i)+1+abs(Y-j))]+=1 for i in range(1,N): print((ans[i]))
p02726
import queue N,X,Y=list(map(int,input().split())) count=[0]*N def bfs(start): dist=[-1]*(N+1)#indexと頂点の番号を合わせる q=queue.Queue() q.put([start,0]) dist[start]=0 while not q.empty(): j,kyori=q.get() if j-1>=1: if dist[j-1]==-1: q.put([j-1,kyori+1]) dist[j-1]=kyori+1 if j+1<=N: if dist[j+1]==-1: q.put([j+1,kyori+1]) dist[j+1]=kyori+1 if j == X and dist[Y]==-1: q.put([Y,kyori+1]) dist[Y]=kyori+1 if j == Y and dist[X]==-1: q.put([X,kyori+1]) dist[X]=kyori+1 return dist[1:] def main(): for start in range(1,N+1): #dist=bfs(start) for d in bfs(start): count[d]+=1 for i in count[1:]: print((i//2)) main()
from collections import deque N,X,Y=list(map(int,input().split())) count=[0]*N def bfs(start): dist=[-1]*(N+1)#indexと頂点の番号を合わせる q=deque() q.append([start,0]) dist[start]=0 while q: j,kyori=q.popleft() if j-1>=1: if dist[j-1]==-1: q.append([j-1,kyori+1]) dist[j-1]=kyori+1 if j+1<=N: if dist[j+1]==-1: q.append([j+1,kyori+1]) dist[j+1]=kyori+1 if j == X and dist[Y]==-1: q.append([Y,kyori+1]) dist[Y]=kyori+1 if j == Y and dist[X]==-1: q.append([X,kyori+1]) dist[X]=kyori+1 return dist[1:] def main(): for start in range(1,N+1): dist=bfs(start) for d in dist: count[d]+=1 for i in count[1:]: print((i//2)) main()
p02726
from collections import Counter, deque, defaultdict n, x, y = list(map(int, input().split())) v = defaultdict(list) for i in range(n): if i + 1 < n: v[i].append(i + 1) if i - 1 >= 0: v[i].append(i - 1) v[x - 1].append(y - 1) v[y - 1].append(x - 1) cnt = Counter() for start in range(n): dist = [float("inf")] * n q = deque() q.append([start, 0]) while q: c, d = q.popleft() for next in v[c]: if dist[next] == float("inf"): q.append([next, d + 1]) dist[next] = d + 1 cnt += Counter(dist[start + 1:]) for i in range(1, n): print((cnt[i]))
from collections import Counter, deque, defaultdict def main(): n, x, y = list(map(int, input().split())) v = defaultdict(list) for i in range(n): if i + 1 < n: v[i].append(i + 1) if i - 1 >= 0: v[i].append(i - 1) v[x - 1].append(y - 1) v[y - 1].append(x - 1) cnt = Counter() for start in range(n): dist = [-1] * n q = deque() q.append([start, 0]) while q: c, d = q.popleft() for next in v[c]: if dist[next] == -1: q.append([next, d + 1]) dist[next] = d + 1 cnt += Counter(dist[start + 1:]) for i in range(1, n): print((cnt[i])) if __name__ == '__main__': main()
p02726
n, x, y = list(map(int, input().split())) x -= 1 y -= 1 d= [[float('inf')]*n for _ in range(n)] for i in range(n-1): if i == 0: d[0][1] = 1 d[n-1][n-2] = 1 else: d[i][i+1] = 1 d[i][i-1] = 1 for i in range(n): d[i][i] = 0 d[x][y] = 1 d[y][x] = 1 def warshall_floyd(d): #d[i][j]: iからjへの最短距離 for k in range(n): for i in range(n): for j in range(n): d[i][j] = min(d[i][j],d[i][k] + d[k][j]) return d d = warshall_floyd(d) from collections import defaultdict di = defaultdict(int) for i in range(n): for j in range(i+1, n): di[d[i][j]] += 1 for i in range(1, n): if i in list(di.keys()): print((di[i])) else: print((0))
from collections import deque from collections import defaultdict n, x, y = list(map(int, input().split())) graph = [[] for _ in range(n)] for i in range(n-1): graph[i] += [i+1] graph[i+1] += [i] graph[x-1] += [y-1] graph[y-1] += [x-1] moves = ((1, 0), (0, 1), (0, -1), (-1, 0)) def bfs(s): dist = [float('inf')]*n dist[s] = 0 q = deque([s]) while q: u = q.popleft() for v in graph[u]: if dist[v] == float('inf'): q += [v] dist[v] = dist[u] + 1 return dist ans = defaultdict(int) for i in range(n): d = bfs(i) for j in range(i+1, n): ans[d[j]] += 1 for i in range(1, n): if i in list(ans.keys()): print((ans[i])) else: print((0))
p02726
N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 edge = [] for i in range(N): edge.append([]) if i != 0: edge[i].append(i - 1) if i != N-1: edge[i].append(i + 1) edge[X].append(Y) edge[Y].append(X) answer = [0] * (N - 1) for i in range(N): queue = [] for e in edge[i]: queue.append(e) counter = 0 d = [N + 10] * N d[i] = 0 # i is start while counter < len(queue): node = queue[counter] min_dist = N + 10 for e in edge[node]: min_dist = min(d[e], min_dist) d[node] = min_dist + 1 for e in edge[node]: if d[e] == N+10: queue.append(e) counter += 1 for i in d: answer[i] += 1 for a in answer[1:]: print((a//2)) print('0')
N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 edge = [] for i in range(N): edge.append([]) if i != 0: edge[i].append(i - 1) if i != N-1: edge[i].append(i + 1) edge[X].append(Y) edge[Y].append(X) answer = [0] * (N - 1) for i in range(N): queue = [] for e in edge[i]: queue.append(e) counter = 0 d = [N + 10] * N d[i] = 0 # i is start while counter < len(queue): node = queue[counter] min_dist = N + 10 for e in edge[node]: if d[e] < min_dist: min_dist = d[e] if d[e] == N + 10: queue.append(e) d[node] = min_dist + 1 counter += 1 for i in d: answer[i] += 1 for a in answer[1:]: print((a//2)) print('0')
p02726
import queue N, X, Y = list(map(int, input().split())) to = [[] * N for i in range(N)] for i in range(N-1): to[i].append(i+1) to[i+1].append(i) to[X-1].append(Y-1) to[Y-1].append(X-1) ans = [0] * N for i in range(N): dis = [0] * N dis[i] = 0 visited = [False] * N q = queue.Queue() q.put(i) visited[i] = True while not q.empty(): tmp_v = q.get() for j in to[tmp_v]: if not visited[j]: dis[j] = dis[tmp_v] + 1 visited[j] = True q.put(j) for j in range(N): ans[dis[j]] += 1 for i in range(1,N): print((ans[i]//2))
from collections import deque N, X, Y = list(map(int, input().split())) to = [[] * N for i in range(N)] for i in range(N-1): to[i].append(i+1) to[i+1].append(i) to[X-1].append(Y-1) to[Y-1].append(X-1) ans = [0] * N for i in range(N): dis = [0] * N dis[i] = 0 visited = [False] * N q = deque([]) q.append(i) visited[i] = True while len(q) != 0: tmp_v = q.popleft() for j in to[tmp_v]: if not visited[j]: dis[j] = dis[tmp_v] + 1 visited[j] = True q.append(j) for j in range(N): ans[dis[j]] += 1 for i in range(1,N): print((ans[i]//2))
p02726
from collections import deque N,X,Y = map(int,input().split()) edge = [[] for _ in range(N)] for i in range(N): if i == 0: edge[i].append(i+1) elif i == N-1: edge[i].append(i-1) else: edge[i].append(i-1) edge[i].append(i+1) edge[X-1].append(Y-1) edge[Y-1].append(X-1) ans = [0]*(N-1) for i in range(N): visited = [0]*N dist = [0]*N q = deque([i])#i番目のノードを根とする探索 visited[i] = 1 while q: now = q.popleft() for connection in edge[now]: if visited[connection]: dist[connection] = min(dist[connection],dist[now]+1) else: visited[connection] = 1 dist[connection] = dist[now] + 1 q.append(connection) for d in dist: if d == 0: continue ans[d-1] += 1 ans = list(map(lambda x: x//2,ans)) print(*ans,sep="\n")
from collections import deque import sys input = sys.stdin.readline def main(): N,X,Y = map(int,input().split()) edge = [[] for _ in range(N)] for i in range(N): if i == 0: edge[i].append(i+1) elif i == N-1: edge[i].append(i-1) else: edge[i].append(i-1) edge[i].append(i+1) edge[X-1].append(Y-1) edge[Y-1].append(X-1) ans = [0]*(N-1) for i in range(N): visited = [0]*N dist = [0]*N q = deque([i])#i番目のノードを根とする探索 visited[i] = 1 while q: now = q.popleft() for connection in edge[now]: if visited[connection]: dist[connection] = min(dist[connection],dist[now]+1) else: visited[connection] = 1 dist[connection] = dist[now] + 1 q.append(connection) for d in dist: if d == 0: continue ans[d-1] += 1 ans = list(map(lambda x: x//2,ans)) print(*ans,sep="\n") if __name__ == '__main__': main()
p02726
N,X,Y=list(map(int,input().split())) G=[] for i in range(1,N): G.append([i,i+1]) G.append([X,Y]) graph=[[] for i in range(N+1)] for i in range(N): u,*v=G[i] v.sort() for j in v: graph[u].append(j) graph[j].append(u) counter=[[] for i in range(N+1)] for j in range(1,N+1): stack=[j] visited=[-1 for i in range(N+1)] visited[j]=0 while stack: n=stack.pop(0) for i in graph[n]: n_n=i if visited[n_n]<0: visited[n_n]=visited[n]+1 stack.append(n_n) for i,value in enumerate(visited): for k in range(1,N): if value==k: counter[k].append([j,i]) for i,value in enumerate(counter): if not (i==0 or i==N): print((int(len(value)/2)))
N,X,Y=list(map(int,input().split())) A=[[] for i in range(N+1)] for i in range(1,N): for j in range(i,N+1): A[int(min(j-i,abs(X-i)+abs(Y-j)+1))].append(1) for i in range(N): if i!=0: print((sum(A[i])))
p02726
N,X,Y=list(map(int,input().split())) A=[[] for i in range(N+1)] for i in range(1,N): for j in range(i,N+1): A[int(min(j-i,abs(X-i)+abs(Y-j)+1))].append(1) for i in range(N): if i!=0: print((sum(A[i])))
N,X,Y=list(map(int,input().split())) A=[0 for i in range(N)] for i in range(1,N): for j in range(i+1,N+1): A[int(min(j-i,abs(X-i)+abs(Y-j)+1))]+=1 del A[0] print(*A,sep=('\n'))
p02726
n,x,y = list(map(int,input().split())) a = [0 for _ in range(n-1)] for i in range(1,n): for j in range(i+1,n+1): l = min(j-i,abs(x-i)+1+abs(j-y)) a[l-1] += 1 print(("\n".join(map(str,a))))
def main(): n,x,y = list(map(int,input().split())) a = [0 for _ in range(n-1)] for i in range(1,n): for j in range(i+1,n+1): l = min(j-i,abs(x-i)+1+abs(j-y)) a[l-1] += 1 print(("\n".join(map(str,a)))) main()
p02726
from collections import defaultdict n, x, y = list(map(int, input().split())) d = defaultdict(int) for i in range(1, n): for j in range(i + 1, n + 1): a = j - i b = abs(x - i) + 1 + abs(y - j) d[min(a, b)] += 1 for i in range(1, n): print((d[i]))
from collections import defaultdict n, x, y = list(map(int, input().split())) d = defaultdict(int) for i in range(1, n): for j in range(i + 1, n + 1): d[min(j - i, abs(x - i) + abs(y - j) + 1)] += 1 for i in range(1, n): print((d[i]))
p02726
N, X, Y = list(map(int, input().split())) for k in range(1,N): d = 0 for i in range(1,N+1): for j in range(i+1,N+1): if k==min(j-i, abs(X-i)+1+abs(j-Y), abs(Y-i)+1+abs(j-X)): d+=1 print(d)
N, X, Y = list(map(int, input().split())) a = [0]*N for i in range(1,N+1): for j in range(i+1,N+1): a[min(j-i, abs(i-X)+1+abs(j-Y))-1]+= 1 for i in range(N-1): print((a[i]))
p02726
n,x,y=map(int,input().split()) G=[[i,i+2] for i in range(n)] G[0],G[-1]=[2],[n-1] G[x-1].append(y) G[y-1].append(x) #print(G) ans=[0]*(n-1) #X,Yのショートカットに気を付けて上から見ていく for i in range(n-1): for j in range(i+1,n): #i+1<=XかつY<=j+1の時ショートカットするのが最短 temp1=j-i temp2=abs(x-(i+1))+1+abs(y-(j+1)) dis=min(temp1,temp2) ans[dis-1]+=1 print(*ans,sep='\n')
n,x,y=map(int,input().split()) G=[[i,i+2] for i in range(n)] G[0],G[-1]=[2],[n-1] G[x-1].append(y) G[y-1].append(x) #print(G) ans=[0]*(n-1) for i in range(n-1): for j in range(i+1,n): temp1=j-i temp2=abs(x-(i+1))+1+abs(y-(j+1)) dis=min(temp1,temp2) ans[dis-1]+=1 print(*ans,sep='\n')
p02726
n, x, y = map(int,input().split()) dis = [0] * (n - 1) for i in range(n - 1): for j in range(i + 1, n): d = min(abs(x - i - 1) + abs(y - j - 1) + 1, j - i) dis[d - 1] += 1 print(*dis, sep = '\n')
n, x, y = map(int,input().split()) cnt = [0] * (n - 1) for i in range(1, n): for j in range(i + 1, n + 1): temp1 = j - i temp2 = abs(i - x) + abs(j - y) + 1 dis = min(temp1, temp2) cnt[dis - 1] += 1 print(*cnt, sep='\n')
p02726
N, X, Y = list(map(int, input().split())) List = [] for i in range(1,N): for j in range(i+1, N+1): List.append(min(j-i, abs(X-i)+1+abs(j-Y), abs(Y-i)+1+abs(j-X))) for k in range(1, N): print((List.count(k)))
N, X, Y = list(map(int, input().split())) List = [0 for _ in range(N-1)] for i in range(1,N): for j in range(i+1, N+1): num = min(j-i, abs(X-i)+1+abs(j-Y), abs(Y-i)+1+abs(j-X)) List[num-1] += 1 for k in range(N-1): print((List[k]))
p02726
import itertools n, x, y = list(map(int, input().split())) x -= 1 y -= 1 list1 = [0] * (n * n) for i in range(n): for j in range(n): if list1[n * j + i] != 0: continue list1[n * i + j] = min([abs(j - i), abs(x - i) + 1 + abs(j - y), abs(y - i) + 1 + abs(x - j)]) #list2 = list(itertools.chain.from_iterable(list1)) for k in range(1,n): print((list1.count(k)))
n, x, y = list(map(int, input().split())) x -= 1 y -= 1 cnt_list = [0] * (n - 1) for i in range(n): for j in range(n): if j <= i: continue #i < j,x < yのとき、i→y→x→jが最短になることはない num = min([j - i, abs(x - i) + 1 + abs(y - j)]) - 1 #距離 - 1、距離ゼロはif文で排除 cnt_list[num] += 1 for n in cnt_list: print(n)
p02726
import itertools N,X,Y = list(map(int,input().split())) n = list(range(1,N+1)) l = [] for v in itertools.combinations(n,2): l.append(min(abs(Y-v[1]) + abs(X-v[0]) + 1,abs(X-v[1]) + abs(Y-v[0]) + 1,v[1] - v[0])) for k in range(1,N): print((l.count(k)))
import itertools N,X,Y = list(map(int,input().split())) n = list(range(1,N+1)) l = [0]*N for v in itertools.combinations(n,2): l[min(abs(Y-v[1]) + abs(X-v[0]) + 1,v[1] - v[0])] += 1 for k in range(1,N): print((l[k]))
p02726
from collections import Counter import queue def bfs(d, s, N): dist = [-1]*N q = queue.Queue() q.put(s) dist[i] = 0 while not q.empty(): From = q.get() for To in d[From]: if dist[To-1] == -1: q.put(To) dist[To-1] = dist[From-1]+1 return dist N, X, Y = list(map(int, input().split())) d = [[] for _ in range(N+1)] d[X].append(Y) d[Y].append(X) for i in range(1, N): d[i].append(i+1) d[i+1].append(i) ans = [0]*(N+1) for i in range(N): s = i+1 c = Counter(bfs(d, i+1, N)) for i, m in list(c.items()): ans[i] += m for i in range(1, N): print((ans[i]//2))
from collections import Counter, deque def bfs(d, s, N): dist = [-1]*N q = deque() q.append(s) dist[i] = 0 while len(q) != 0: From = q.popleft() for To in d[From]: if dist[To-1] == -1: q.append(To) dist[To-1] = dist[From-1]+1 return dist N, X, Y = list(map(int, input().split())) d = [[] for _ in range(N+1)] d[X].append(Y) d[Y].append(X) for i in range(1, N): d[i].append(i+1) d[i+1].append(i) ans = [0]*(N+1) for i in range(N): s = i+1 c = Counter(bfs(d, i+1, N)) for i, m in list(c.items()): ans[i] += m for i in range(1, N): print((ans[i]//2))
p02726
n, x, y = list(map(int, input().split())) distances = [] for ind1 in range(1,n+1): for ind2 in range(ind1+1,n+1): cur_dist = min(ind2-ind1, abs(x-ind1)+abs(y-ind2)+1) # print(ind1,ind2,cur_dist) distances.append(cur_dist) # print(distances) for k in range(1,n): print((len([x for x in distances if x == k])))
n, x, y = list(map(int, input().split())) cnt = [0] *n for ind1 in range(1,n+1): for ind2 in range(ind1+1,n+1): cur_dist = min(ind2-ind1, abs(x-ind1)+abs(y-ind2)+1) # print(ind1,ind2,cur_dist) cnt[cur_dist] += 1 # print(cnt) for k in range(1,n): print((cnt[k]))
p02726
import itertools n,x,y = list(map(int, input().split())) a = [i for i in range(1, n+1)] b = list(itertools.combinations(a, 2)) c = [0]*(n-1) for j in range(len(b)): d = min(abs(b[j][0]-b[j][1]), abs(x-b[j][0])+1+abs(b[j][1]-y), abs(y-b[j][0])+1+abs(b[j][1]-x)) c[d-1] += 1 for k in range(n-1): print((c[k]))
import itertools n,x,y = list(map(int, input().split())) a = [i for i in range(1, n+1)] b = [0]*(n-1) for j in range(n): for k in range(j+1, n): c = min(abs(k-j),abs(j-(x-1)) +abs(k-(y-1))+1) b[c-1] += 1 for l in range(n-1): print((b[l]))
p02726
#!/usr/bin/env python3 import sys def solve(N: int, X: int, Y: int): distances = [0] * (N - 1) for i in range(0, N - 1): for j in range(i + 1, N): if j < X - 1 or Y - 1 < i: distance = j - i else: distance = min(j - i, abs(X - 1 - i) + abs(Y - 1 - j) + 1) distances[distance - 1] += 1 for k in distances: print(k) return # Generated by 1.1.6 https://github.com/kyuridenamida/atcoder-tools (tips: You use the default template now. You can remove this line by using your custom template) def main(): def iterate_tokens(): for line in sys.stdin: for word in line.split(): yield word tokens = iterate_tokens() N = int(next(tokens)) # type: int X = int(next(tokens)) # type: int Y = int(next(tokens)) # type: int solve(N, X, Y) if __name__ == '__main__': main()
#!/usr/bin/env python3 import sys def solve(N: int, X: int, Y: int): distances = [0] * (N - 1) for i in range(0, N - 1): for j in range(i + 1, N): distance = min(j - i, abs(X - 1 - i) + abs(Y - 1 - j) + 1) distances[distance - 1] += 1 for k in distances: print(k) return # Generated by 1.1.6 https://github.com/kyuridenamida/atcoder-tools (tips: You use the default template now. You can remove this line by using your custom template) def main(): def iterate_tokens(): for line in sys.stdin: for word in line.split(): yield word tokens = iterate_tokens() N = int(next(tokens)) # type: int X = int(next(tokens)) # type: int Y = int(next(tokens)) # type: int solve(N, X, Y) if __name__ == '__main__': main()
p02726
import sys N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 d = [[sys.maxsize for _ in range(N)] for _ in range(N)] for i in range(N): for j in range(N): d[i][j] = min(abs(j-i), abs(X-i) + 1 + abs(j-Y)) answer = [0 for _ in range(N-1)] for h in range(N): for i in range(h+1, N): if h != i: answer[d[h][i]-1] += 1 for k in range(N-1): print((answer[k]))
import sys N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 answer = [0 for _ in range(N-1)] for i in range(N): for j in range(i+1, N): answer[min(j-i, abs(X-i) + 1 + abs(j-Y))-1] += 1 for k in range(N-1): print((answer[k]))
p02726
from collections import defaultdict n,x,y=list(map(int,input().split())) d=defaultdict(list) for i in range(1,n): for j in range(i+1,n+1): r=min(abs(i-j),abs(x-i)+1+abs(y-j),abs(x-j)+1+abs(y-i)) d[r].append((i,j)) for i in range(1,n): print((len(d[i])))
n,x,y=list(map(int,input().split())) l=[0]*(n-1) for i in range(1,n): for j in range(i+1,n+1): l[(min(abs(i-j),abs(x-i)+1+abs(y-j),abs(x-j)+1+abs(y-i)))-1]+=1 for i in l: print(i)
p02726
N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 distances = [0]*N for i in range(N): for j in range(i+1,N): d = min(abs(j-i), abs(X-i)+1+abs(j-Y), abs(Y-i)+1+abs(j-X)) distances[d] += 1 for i in range(1,N): print((distances[i]))
N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 distances = [0]*N for i in range(N): for j in range(i+1,N): # d = min(abs(j-i), abs(X-i)+1+abs(j-Y), abs(Y-i)+1+abs(j-X)) d = min(abs(j-i), abs(X-i)+1+abs(j-Y)) distances[d] += 1 for i in range(1,N): print((distances[i]))
p02726
from collections import defaultdict import math N, X, Y = list(map(int, input().split())) res = defaultdict(int) x = [] for i in range(1, N + 1): for j in range(1, N + 1): if i >= j: continue if i == X and Y == j: key = 1 else: key = int(min(j - i, math.fabs(X - i) + math.fabs(Y - j) + 1)) res[key] += 1 for i in range(1, N): print((res[i]))
N, X, Y = list(map(int, input().split())) res = [0] * N for i in range(1, N + 1): for j in range(1, N + 1): if i >= j: continue if i == X and Y == j: key = 1 else: key = int(min(j - i, abs(X - i) + abs(Y - j) + 1)) res[key] += 1 for i in range(1, N): print((res[i]))
p02726
N, X, Y = list(map(int, input().split())) res = [0] * N for j in range(1, N + 1): for i in range(1, j): if i == X and Y == j: key = 1 else: key = int(min(j - i, abs(X - i) + abs(Y - j) + 1)) res[key] += 1 for i in range(1, N): print((res[i]))
N, X, Y = list(map(int, input().split())) res = [0] * N for j in range(1, N + 1): for i in range(1, j): res[min(j - i, abs(X - i) + abs(Y - j) + 1)] += 1 for i in range(1, N): print((res[i]))
p02726
from collections import defaultdict import math N, X, Y = list(map(int, input().split())) res = defaultdict(int) x = [] for i in range(1, N + 1): for j in range(1, N + 1): if i >= j: continue if i == X and Y == j: key = 1 else: key = int(min(j - i, math.fabs(X - i) + math.fabs(Y - j) + 1)) res[key] += 1 for i in range(1, N): print((res[i]))
N, X, Y = list(map(int, input().split())) res = [0] * N for j in range(1, N + 1): for i in range(1, j): res[min(j - i, abs(X - i) + abs(Y - j) + 1)] += 1 for i in range(1, N): print((res[i]))
p02726
n,x,y=map(int,input().split()) x-=1;y-=1 l=[[10**4 for g in range(n)] for i in range(n)] fl=[0 for i in range(n-1)] for i in range(n): for j in range(i+1,n): fl[min(abs(j-i),abs(j-x)+1+abs(y-i),abs(i-x)+1+abs(y-j))]+=1 print(*fl[1:],sep="\n") print(fl[0])
n,x,y=map(int,input().split()) x-=1;y-=1 fl=[0 for i in range(n-1)] for i in range(n): for j in range(i+1,n): fl[min(abs(j-i),abs(j-x)+1+abs(y-i),abs(i-x)+1+abs(y-j))]+=1 print(*fl[1:],sep="\n") print(0)
p02726
n,x,y = list(map(int,input().split())) INF = 10**5 d = [[INF]*n for _ in range(n)] def wf(d): for k in range(n): for i in range(n): for j in range(n): d[i][j] = min(d[i][j],d[i][k] + d[k][j]) for i in range(n-1): d[i][i+1] = 1 d[i+1][i] = 1 d[x-1][y-1]=1 d[y-1][x-1]=1 wf(d) ans = [0]*(n-1) for i in range(n-1): for j in range(i+1,n): ans[d[i][j]-1]+=1 for a in ans: print(a)
n,x,y = list(map(int,input().split())) x,y = x-1,y-1 ans = [0]*(n) for i in range(n): for j in range(i+1,n): sp = min(abs(j-i), abs(x-i)+abs(j-y)+1, abs(y-i)+1+abs(j-x)) ans[sp]+=1 for a in ans[1:]: print(a)
p02726
N,X,Y = list(map(int,input().split())) G = [[] for _ in range(N)] # print(G) # ぐらふの作成 for i in range(N-1): G[i].append(i+1) G[i+1].append(i) G[X-1].append(Y-1) G[Y-1].append(X-1) # print(G) from collections import deque def bfs(G,v): que = deque([v]) dist[v] = 0 while que: v = que.popleft() d = dist[v] for w in G[v]: if dist[w] > -1: continue dist[w] = d + 1 que.append(w) D = [0]*(N-1) for i in range(N): dist = [-1]*N bfs(G,i) # print(dist) for d in dist: if d>0: D[d-1] += 1 # print(D) for d in D: print((d//2))
N,X,Y = list(map(int,input().split())) D= [0]*(N-1) # print(X,Y) for i in range(1,N+1): for j in range(i+1,N+1): # i<j # print((i,j)) # ver 1 if j<=X or Y<=i: d = j-i # ver 2 elif i<=X and Y<=j: d = X-i + 1 + j-Y # ver 3 else: d = min(j-i,abs(X-i)+abs(Y-j)+1) # print(d) D[d-1] += 1 # print(D) for d in D: print(d)
p02726
N,X,Y = list(map(int,input().split())) D= [0]*(N-1) # print(X,Y) for i in range(1,N+1): for j in range(i+1,N+1): # i<j # print((i,j)) # ver 1 if j<=X or Y<=i: d = j-i # ver 2 elif i<=X and Y<=j: d = X-i + 1 + j-Y # ver 3 else: d = min(j-i,abs(X-i)+abs(Y-j)+1) # print(d) D[d-1] += 1 # print(D) for d in D: print(d)
N,X,Y = list(map(int,input().split())) D= [0]*(N-1) for i in range(1,N+1): for j in range(i+1,N+1): # i<j d = min(j-i,abs(X-i)+abs(Y-j)+1) D[d-1] += 1 for d in D: print(d)
p02726
from collections import deque n,x,y=list(map(int,input().split())) L=[[0]*n for i in range(n)] for i in range(n-1): L[i][i+1]=L[i+1][i]=1 L[x-1][y-1]=L[y-1][x-1]=1 R=[0]*n def bfs(j): V=[-1]*n que=deque([]) que.append(j) V[j]=0 while que: p=que.popleft() for i in range(n): if V[i]==-1 and L[p][i]==1: que.append(i) V[i]=V[p]+1 for i in range(n): R[V[i]]+=1 for j in range(n): bfs(j) for i in range(1,n): print((R[i]//2))
from collections import deque n,x,y=list(map(int,input().split())) L=[[1]] for i in range(1,n-1): L.append([i-1,i+1]) L.append([n-2]) L[x-1].append(y-1) L[y-1].append(x-1) R=[0]*n def bfs(j): V=[-1]*n que=deque([]) que.append(j) V[j]=0 while que: p=que.popleft() for np in L[p]: if V[np]==-1: que.append(np) V[np]=V[p]+1 for i in range(n): R[V[i]]+=1 for j in range(n): bfs(j) for i in range(1,n): print((R[i]//2))
p02726
# coding: utf-8 import re import math from collections import defaultdict from collections import deque import collections from fractions import Fraction import itertools from copy import deepcopy import random import time import os import queue import sys import datetime from functools import lru_cache #@lru_cache(maxsize=None) readline=sys.stdin.readline sys.setrecursionlimit(2000000) #import numpy as np alphabet="abcdefghijklmnopqrstuvwxyz" mod=int(10**9+7) inf=int(10**20) def yn(b): if b: print("yes") else: print("no") def Yn(b): if b: print("Yes") else: print("No") def YN(b): if b: print("YES") else: print("NO") class union_find(): def __init__(self,n): self.n=n self.P=[a for a in range(n)] self.rank=[0]*n def find(self,x): if(x!=self.P[x]):self.P[x]=self.find(self.P[x]) return self.P[x] def same(self,x,y): return self.find(x)==self.find(y) def link(self,x,y): if self.rank[x]<self.rank[y]: self.P[x]=y elif self.rank[y]<self.rank[x]: self.P[y]=x else: self.P[x]=y self.rank[y]+=1 def unite(self,x,y): self.link(self.find(x),self.find(y)) def size(self): S=set() for a in range(self.n): S.add(self.find(a)) return len(S) def ispow(a,b):#aはbの累乗数か now=b while now<a: now*=b if now==a:return True else:return False def getbin(num,size): A=[0]*size for a in range(size): if (num>>(size-a-1))&1==1: A[a]=1 else: A[a]=0 return A def getfacs(n,mod_=0): A=[1]*(n+1) for a in range(2,len(A)): A[a]=A[a-1]*a if(mod_>0):A[a]%=mod_ return A def comb(n,r,mod,fac): if(n-r<0):return 0 return (fac[n]*pow(fac[n-r],mod-2,mod)*pow(fac[r],mod-2,mod))%mod def nextcomb(num,size): x=num&(-num) y=num+x z=num&(~y) z//=x z=z>>1 num=(y|z) if(num>=(1<<size)):return False else:return num def getprimes(n,type="int"): if n==0: if type=="int":return [] else:return [False] A=[True]*(n+1) A[0]=False A[1]=False for a in range(2,n+1): if A[a]: for b in range(a*2,n+1,a): A[b]=False if(type=="bool"):return A B=[] for a in range(n+1): if(A[a]):B.append(a) return B def isprime(num): if(num<=1):return False i=2 while i*i<=num: if(num%i==0):return False i+=1 return True def ifelse(a,b,c): if a:return b else:return c def join(A,c=""): n=len(A) A=list(map(str,A)) s="" for a in range(n): s+=A[a] if(a<n-1):s+=c return s def factorize(n,type_="dict"): b = 2 list_ = [] while b * b <= n: while n % b == 0: n //= b list_.append(b) b+=1 if n > 1:list_.append(n) if type_=="dict": dic={} for a in list_: if a in dic: dic[a]+=1 else: dic[a]=1 return dic elif type_=="list": return list_ else: return None def pm(x): return x//abs(x) def inputintlist(): return list(map(int,input().split())) ###################################################################################################### N,X,Y=inputintlist() X-=1 Y-=1 G=[[] for a in range(N)] for a in range(N-1): G[a].append(a+1) G[a+1].append(a) G[X].append(Y) G[Y].append(X) A=[] for a in range(N): for b in range(a,N): d=b-a d=min(d,abs(a-X)+1+abs(b-Y)) d=min(d,abs(a-Y)+1+abs(b-X)) A.append(d) for k in range(1,N): print((A.count(k)))
# coding: utf-8 import re import math from collections import defaultdict from collections import deque import collections from fractions import Fraction import itertools from copy import deepcopy import random import time import os import queue import sys import datetime from functools import lru_cache #@lru_cache(maxsize=None) readline=sys.stdin.readline sys.setrecursionlimit(2000000) #import numpy as np alphabet="abcdefghijklmnopqrstuvwxyz" mod=int(10**9+7) inf=int(10**20) def yn(b): if b: print("yes") else: print("no") def Yn(b): if b: print("Yes") else: print("No") def YN(b): if b: print("YES") else: print("NO") class union_find(): def __init__(self,n): self.n=n self.P=[a for a in range(n)] self.rank=[0]*n def find(self,x): if(x!=self.P[x]):self.P[x]=self.find(self.P[x]) return self.P[x] def same(self,x,y): return self.find(x)==self.find(y) def link(self,x,y): if self.rank[x]<self.rank[y]: self.P[x]=y elif self.rank[y]<self.rank[x]: self.P[y]=x else: self.P[x]=y self.rank[y]+=1 def unite(self,x,y): self.link(self.find(x),self.find(y)) def size(self): S=set() for a in range(self.n): S.add(self.find(a)) return len(S) def ispow(a,b):#aはbの累乗数か now=b while now<a: now*=b if now==a:return True else:return False def getbin(num,size): A=[0]*size for a in range(size): if (num>>(size-a-1))&1==1: A[a]=1 else: A[a]=0 return A def getfacs(n,mod_=0): A=[1]*(n+1) for a in range(2,len(A)): A[a]=A[a-1]*a if(mod_>0):A[a]%=mod_ return A def comb(n,r,mod,fac): if(n-r<0):return 0 return (fac[n]*pow(fac[n-r],mod-2,mod)*pow(fac[r],mod-2,mod))%mod def nextcomb(num,size): x=num&(-num) y=num+x z=num&(~y) z//=x z=z>>1 num=(y|z) if(num>=(1<<size)):return False else:return num def getprimes(n,type="int"): if n==0: if type=="int":return [] else:return [False] A=[True]*(n+1) A[0]=False A[1]=False for a in range(2,n+1): if A[a]: for b in range(a*2,n+1,a): A[b]=False if(type=="bool"):return A B=[] for a in range(n+1): if(A[a]):B.append(a) return B def isprime(num): if(num<=1):return False i=2 while i*i<=num: if(num%i==0):return False i+=1 return True def ifelse(a,b,c): if a:return b else:return c def join(A,c=""): n=len(A) A=list(map(str,A)) s="" for a in range(n): s+=A[a] if(a<n-1):s+=c return s def factorize(n,type_="dict"): b = 2 list_ = [] while b * b <= n: while n % b == 0: n //= b list_.append(b) b+=1 if n > 1:list_.append(n) if type_=="dict": dic={} for a in list_: if a in dic: dic[a]+=1 else: dic[a]=1 return dic elif type_=="list": return list_ else: return None def pm(x): return x//abs(x) def inputintlist(): return list(map(int,input().split())) ###################################################################################################### N,X,Y=inputintlist() X-=1 Y-=1 G=[[] for a in range(N)] for a in range(N-1): G[a].append(a+1) G[a+1].append(a) G[X].append(Y) G[Y].append(X) D=defaultdict(int) for a in range(N): for b in range(a,N): d=b-a d=min(d,abs(a-X)+1+abs(b-Y)) d=min(d,abs(a-Y)+1+abs(b-X)) D[d]+=1 for k in range(1,N): print((D[k]))
p02726
from collections import deque def BFS(s): color=["white" for _ in range(n+1)] D=[0 for _ in range(n+1)] D[s]=0 color[s]="gray" queue=deque([s]) while len(queue)>0: u=queue.popleft() for i in M[u]: if color[i]=="white": D[i]=D[u]+1 color[i]="gray" queue.append(i) color[u]="black" return D n,x,y=list(map(int,input().split())) M=[[] for _ in range(n+1)] for i in range(1,n): M[i].append(i+1) M[i+1].append(i) M[x].append(y) M[y].append(x) A=[0]*(n) for i in range(1,n+1): for j in BFS(i)[i:]: A[j] +=1 for i in A[1:]: print(i)
from collections import deque inf=10**9 def BFS(num): color=["white" for _ in range(n+1)] D=[inf for _ in range(n+1)] queue=deque([num]) color[num]="gray" D[num]=0 while len(queue)>0: u=queue.popleft() for i in M[u]: if color[i]=="white" and D[u]+1<D[i]: D[i]=D[u]+1 color[i]="gray" queue.append(i) color[u]="black" return D n,x,y=list(map(int,input().split())) M=[[] for _ in range(n+1)] for i in range(1,n): M[i].append(i+1) M[i+1].append(i) M[x].append(y) M[y].append(x) ans=[0 for _ in range(n-1)] for i in range(1,n+1): for j in BFS(i)[i+1:]: ans[j-1] +=1 for i in ans: print(i)
p02726
from collections import deque def main(): n, x, y = list(map(int, input().split())) cnt = [0]*n q = deque() for i in range(n): q.appendleft([i, 0]) dist = [None]*n dist[i] = 0 while q: j, d = q.pop() cnt[d] += 1 if j > 0 and dist[j-1] is None: dist[j-1] = d+1 q.appendleft([j-1, d+1]) if j < n-1 and dist[j+1] is None: dist[j+1] = d+1 q.appendleft([j+1, d+1]) if j == x-1 and dist[y-1] is None: dist[y-1] = d+1 q.appendleft([y-1, d+1]) elif j == y-1 and dist[x-1] is None: dist[x-1] = d+1 q.appendleft([x-1, d+1]) for i in range(1, n): print((cnt[i]//2)) if __name__ == "__main__": main()
from collections import deque def main(): n, x, y = list(map(int, input().split())) cnt = [0]*n q = deque() for i in range(n): q.appendleft(i) dist = [None]*n dist[i] = 0 while q: j = q.pop() d = dist[j] cnt[d] += 1 if j > 0 and dist[j-1] is None: dist[j-1] = d+1 q.appendleft(j-1) if j < n-1 and dist[j+1] is None: dist[j+1] = d+1 q.appendleft(j+1) if j == x-1 and dist[y-1] is None: dist[y-1] = d+1 q.appendleft(y-1) elif j == y-1 and dist[x-1] is None: dist[x-1] = d+1 q.appendleft(x-1) for i in range(1, n): print((cnt[i]//2)) if __name__ == "__main__": main()
p02726
import queue def push(n, dist, dist_list): if dist_list[n] > dist: dist_list[n] = dist q.put(n) q = queue.Queue() n, x, y = [int(i) for i in input().split()] result = [0] * (n-1) for p in range(n): dist_list = [111111] * n dist = 0 q.put(p) dist_list[p] = dist while not q.empty(): p = q.get() dist = dist_list[p] if p+1 < n: push(p+1, dist+1, dist_list) if p-1 >= 0: push(p-1, dist+1, dist_list) if p == (x-1): push(y-1, dist+1, dist_list) if p == (y-1): push(x-1, dist+1, dist_list) for i in dist_list: if i != 0: result[i-1] += 1 for ans in result: print((ans//2))
n, x, y = [int(i) for i in input().split()] # 0 index is 1 distance result = [0] * (n-1) for i in range(n-1): for j in range(i+1, n): dist = min(j-i, abs(x-1-i) + 1 + abs(j-y+1)) result[dist-1] += 1 for ans in result: print(ans) # TLE # import queue # q = queue.Queue() # n, x, y = [int(i) for i in input().split()] # result = [0] * (n-1) # for p in range(n): # dist_list = [111111] * n # dist = 0 # q.put(p) # dist_list[p] = dist # while not q.empty(): # p = q.get() # dist = dist_list[p] # if p+1 < n: # if dist_list[p+1] > dist: # dist_list[p+1] = dist # q.put(p+1) # if p-1 < n: # if dist_list[p-1] > dist: # dist_list[p-1] = dist # q.put(p-1) # if p == (x-1): # if dist_list[y-1] > dist: # dist_list[y-1] = dist # q.put(y-1) # if p == (y-1): # if dist_list[x-1] > dist: # dist_list[x-1] = dist # q.put(x-1) # for i in dist_list: # if i != 0: # result[i-1] += 1 # for ans in result: # print(ans//2)
p02726
def s0():return eval(input()) def s1():return input().split() def s2(n):return [eval(input()) for x in range(n)] def n0():return int(eval(input())) def n1():return [int(x) for x in input().split()] def n2(n):return [int(eval(input())) for _ in range(n)] def n3(n):return [[int(x) for x in input().split()] for _ in range(n)] n,x,y=n1() a=[] for i in range(1,n+1): for j in range(i+1,n+1): if i<=x and j<=x: a.append([(i,j),j-i]) elif i<=x and x<j<y: a.append([(i,j),min(j-i,y-j+1+x-i)]) elif i<=x: a.append([(i,j),j-y+1+x-i]) elif i<=y and j<=y: a.append([(i,j),min(j-i,y-j+1+i-x)]) elif i<=y: a.append([(i,j),min(j-i,j-y+1+i-x)]) else: a.append([(i,j),j-i]) for k in range(1,n): ans=0 for h in range(len(a)): if a[h][1]==k: ans+=1 print(ans)
def s0():return eval(input()) def s1():return input().split() def s2(n):return [eval(input()) for x in range(n)] def n0():return int(eval(input())) def n1():return [int(x) for x in input().split()] def n2(n):return [int(eval(input())) for _ in range(n)] def n3(n):return [[int(x) for x in input().split()] for _ in range(n)] n,x,y=n1() a=[0]*n for i in range(1,n+1): for j in range(i+1,n+1): if i<=x and j<=x: a[j-i]+=1 elif i<=x and x<j<y: a[min(j-i,y-j+1+x-i)]+=1 elif i<=x: a[j-y+1+x-i]+=1 elif i<=y and j<=y: a[min(j-i,y-j+1+i-x)]+=1 elif i<=y: a[min(j-i,j-y+1+i-x)]+=1 else: a[j-i]+=1 for k in range(1,n): print((a[k]))
p02726
import sys from collections import deque def main(): # n, x, y = 7, 3, 7 n, x, y = [int(s) for s in sys.stdin.readline().strip().split()] score = {i: 0 for i in range(1, n)} total_pair = set() def bfs(start): seen = set() q = deque() q.append((0, start)) while q: dist, cur = q.popleft() pair = (min(start, cur), max(start, cur)) if pair in seen: continue seen.add(pair) if dist > 0: if pair not in total_pair: score[dist] += 1 total_pair.add(pair) if cur < n-1: q.append((dist+1, cur+1)) if cur > 0: q.append((dist+1, cur-1)) if cur == x-1: q.append((dist+1, y-1)) if cur == y-1: q.append((dist+1, x-1)) for i in range(n-1): bfs(i) for i in range(1, n): print((score[i])) main()
import sys def main(): n, x, y = [int(s) for s in sys.stdin.readline().strip().split()] x1 = x-1 y1 = y-1 score = {i:0 for i in range(n)} for i in range(n-1): for j in range(i+1, n): diff = j - i cand = abs(x1 - i) + 1 + abs(y1 - j) cand2 = abs(y1 - i) + 1 + abs(x1 - j) result = min(diff, cand, cand2) score[result] += 1 for i in range(1, n): print((score[i])) main()
p02726
N, X, Y = [int(i) for i in input().split()] gp = [[float('inf')]*N for _ in range(N)] def warshall_floyd(d,n): #d[i][j]: iからjへの最短距離 for k in range(n): for i in range(n): for j in range(n): d[i][j] = min(d[i][j],d[i][k] + d[k][j]) return d for i in range(N-1): gp[i][i+1] = 1 gp[i+1][i] = 1 if(i==X-1): gp[i][Y-1] = 1 gp[Y-1][i] = 1 d = warshall_floyd(gp, N) li = [0]*(N-1) for i in range(N): for j in range(i+1, N): li[d[i][j]-1] += 1 for i in li: print(i)
N, X, Y = [int(i) for i in input().split()] li = [0]*(N-1) for i in range(1, N+1): for j in range(i+1, N+1): k = 0 if(i<X and j<X): k = j-i if(i<X and X<=j<=Y): k = min(j-i, X-i+1+Y-j) if(i<X and Y<j): k = X-i+1+j-Y if(X<=i<=Y and X<=j<=Y): k = min(j-i, i-X+1+Y-j) if(X<=i<=Y and Y<j): k = min(j-i, i-X+1+j-Y) if(Y<i and Y<j): k = j-i li[k-1] += 1 for i in li: print(i)
p02726
n, a1, a2 = list(map(int, input().split(" "))) anscount = [0 for i in range(n + 1)] for i in range(1, n): for j in range(i + 1, n + 1): anscount[min(abs(j - i), abs(i - a1) + abs(j - a2) + 1, abs(i - a2) + abs(j - a1) + 1)] += 1 for i in range(1, n): print((anscount[i]))
n, a1, a2 = list(map(int, input().split(" "))) print(n) wa = a2 - a1 + 1 l1 = a1 - 1 l2 = n - a2 hwa = wa // 2 pari = wa % 2 # print(wa,l1,l2,hwa,pari) tmp = 0 for i in range(2, n): if l1 + l2 + 1 >= i: tmp += l1 + l2 - i + 2 if i - 1 <= l1: tmp -= 1 if i - 1 <= l2: tmp -= 1 # print("himonokazu",tmp) if hwa > i: tmp += wa elif hwa == i: if pari == 1: tmp += wa else: tmp += hwa # print("wamoirete",tmp) # print((i-1),(hwa-1),(l1-1),l2-1) if i <= hwa + l1: # print(min(hwa,l1,hwa+l1-i+1,i-1)) tmp += min(hwa, l1, hwa + l1 - i + 1, i - 1) * 2 if pari == 0 and hwa < i: tmp -= 1 # print("l1gen") # print("l1",tmp) if i <= hwa + l2: # print(min(hwa,l2,hwa+l2-i+1,i-1)) tmp += min(hwa, l2, hwa + l2 - i + 1, i - 1) * 2 if pari == 0 and hwa < i: tmp -= 1 # print("l2gen") # print("l2", tmp) print(tmp) tmp = 0
p02726
N,X,Y=list(map(int,input().split())) def count(k): ans=0 for i in range(1,N): for j in range(i+1,N+1): if min(abs(j-i),abs(X-i)+abs(Y-j)+1)==k: ans+=1 return ans for k in range(1,N): print((count(k)))
N,X,Y=list(map(int,input().split())) ans=[0]*N for i in range(1,N): for j in range(i+1,N+1): ans[min(abs(j-i),abs(X-i)+abs(Y-j)+1)]+=1 for i in range(1,N): print((ans[i]))
p02726
n, x, y = list(map(int, input().split())) edge = [[] for _ in range(n+1)] dist = [[abs(i-j) for i in range(n+1)] for j in range(n+1)] counter = [0 for i in range(n)] for i in range(1, n): edge[i].append(i+1) edge[i+1].append(i) edge[x].append(y) edge[y].append(x) for i in range(y+1): for j in range(x, n+1): new_dist = abs(x-i)+abs(y-j)+1 if new_dist < dist[i][j]: dist[i][j] = new_dist dist[j][i] = new_dist for i in range(1, n+1): for num in dist[i][1:]: counter[num] += 1 # print(dist) for num in counter[1:]: print((num//2))
n, x, y = list(map(int, input().split())) edge = [[] for _ in range(n+1)] dist = [[abs(i-j) for i in range(n+1)] for j in range(n+1)] counter = [0 for i in range(n)] for i in range(1, n): edge[i].append(i+1) edge[i+1].append(i) edge[x].append(y) edge[y].append(x) for i in range(y+1): for j in range(x, n+1): if j > i: new_dist = abs(x-i)+abs(y-j)+1 if new_dist < dist[i][j]: dist[i][j] = new_dist for i in range(1, n+1): for num in dist[i][i+1:]: counter[num] += 1 # print(dist) for num in counter[1:]: print(num)
p02726
N, X, Y = list(map(int, input().split())) ans = [0] * N X -= 1 Y -= 1 for i in range(N): for j in range(i+1, N): distance = abs(i-j) # X Y i j if Y <= i: pass # i j X Y elif j <= X: pass # X i Y j elif X <= i < Y <= j: dis = (i-X) + 1 + (j-Y) distance = min(distance, dis) # i X j Y elif i <= X < j <= Y: dis = (X-i) + 1 + (Y-j) distance = min(distance, dis) # i X Y j elif i <= X < Y <= j: dis = (X-i) + 1 + (j-Y) distance = min(distance, dis) # X i j Y elif X <= i < j <= Y: dis = (i-X) + 1 + (Y-j) distance = min(distance, dis) ans[distance] += 1 for k in range(1, N): print((ans[k]))
N, X, Y = list(map(int, input().split())) ans = [0] * N X -= 1 Y -= 1 for i in range(N): for j in range(i+1, N): distance = min(abs(i-j), abs(i-X) + 1 + abs(j-Y)) ans[distance] += 1 for k in range(1, N): print((ans[k]))
p02726
N,X,Y = list(map(int,input().split())) ans = [0]*(N-1) for i in range(1,N): for j in range(i+1,N+1): if i <= X and j <= X: dic = j-i elif i >= Y and j >= Y: dic = j-i elif i <= X and j >= Y: dic = (j-i)-(Y-X)+1 elif X < i < Y and j >= Y: dic = min(i-X+1,Y-i)+(j-Y) elif i<=X and X < j < Y: dic = (X-i)+min(Y-j+1,j-X) elif X < i < Y and X < j < Y: dic = min(j-i,(i-X+1)+(Y-j)) ans[dic-1] = ans[dic-1]+1 for ret in ans: print(ret)
n,x,y = list(map(int,input().split())) ans = [0]*(n-1) def f(N,X,Y): for i in range(1,N): for j in range(i+1,N+1): if i <= X and j <= X: dic = j-i elif i >= Y and j >= Y: dic = j-i elif i <= X and j >= Y: dic = (j-i)-(Y-X)+1 elif X < i < Y and j >= Y: dic = min(i-X+1,Y-i)+(j-Y) elif i<=X and X < j < Y: dic = (X-i)+min(Y-j+1,j-X) elif X < i < Y and X < j < Y: dic = min(j-i,(i-X+1)+(Y-j)) ans[dic-1] = ans[dic-1]+1 f(n,x,y) for ret in ans: print(ret)
p02726
n, x, y = list(map(int, input().split())) kyori = [] def clc(i1, i2): return min(1 + abs(i2 - y) + abs(i1 - x), i2 - i1) for k in range(1, n+1): for l in range(k+1, n+1): tmp = clc(k, l) kyori.append(tmp) for i in range(n-1): cnt = 0 for k in kyori: if k == i + 1: cnt += 1 print(cnt)
n, x, y = list(map(int, input().split())) kyori = [] def clc(i1, i2): if (i1 < x and i2 <= x) or (y <= i1 and y < i2): return i2 - i1 else: return min(1 + abs(i2 - y) + abs(i1 - x), i2 - i1) for k in range(1, n+1): for l in range(k+1, n+1): tmp = clc(k, l) kyori.append(tmp) outs = [0 for _ in range(n-1)] for k in kyori: outs[k-1] += 1 for i in range(n-1): print((outs[i]))
p02726
from itertools import * n,x,y=map(int,input().split()) a=[0]*n for i,j in combinations(range(1,n+1),2): b=min(abs(i-j),abs(x-i)+1+abs(y-j),abs(x-j)+1+abs(y-i)) a[b]+=1 print(*a[1:],sep="\n")
n,x,y=map(int,input().split()) a=[0]*n for i in range(1,n+1): for j in range(i,n+1): b=min(abs(i-j),abs(i-x)+1+abs(y-j),abs(x-j)+1+abs(y-i)) a[b]+=1 print(*a[1:],sep="\n")
p02726
import math,itertools,fractions,heapq,collections,bisect,sys,queue,copy sys.setrecursionlimit(10**7) inf=10**20 mod=10**9+7 dd=[(-1,0),(0,1),(1,0),(0,-1)] ddn=[(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),(-1,-1)] def LI(): return [int(x) for x in sys.stdin.readline().split()] def LF(): return [float(x) for x in sys.stdin.readline().split()] def I(): return int(sys.stdin.readline()) def LS(): return sys.stdin.readline().split() def S(): return eval(input()) def dijkstra(s,n,w,cost): #始点sから各頂点への最短距離 #n:頂点数, w:辺の数, cost[u][v] : 辺uvのコスト(存在しないときはinf) d = [float("inf")] * n used = [False] * n d[s] = 0 while True: v = -1 #まだ使われてない頂点の中から最小の距離のものを探す for i in range(n): if (not used[i]) and (v == -1): v = i elif (not used[i]) and d[i] < d[v]: v = i if v == -1: break used[v] = True for j in range(n): d[j] = min(d[j],d[v]+cost[v][j]) return d def main(): n,x,y=LI() cost = [[inf for i in range(n)] for i in range(n)] for i in range(n-1): cost[i][i+1]=1 cost[i+1][i]=1 cost[x-1][y-1]=1 cost[y-1][x-1]=1 ans=[0]*(n-1) for i in range(n): a=dijkstra(i,n,n,cost) for x in a[i:]: ans[x]+=1 for x in ans[1:]: print(x) print((0)) main() # print(main())
import math,itertools,fractions,heapq,collections,bisect,sys,queue,copy sys.setrecursionlimit(10**7) inf=10**20 mod=10**9+7 dd=[(-1,0),(0,1),(1,0),(0,-1)] ddn=[(-1,0),(-1,1),(0,1),(1,1),(1,0),(1,-1),(0,-1),(-1,-1)] def LI(): return [int(x) for x in sys.stdin.readline().split()] def LF(): return [float(x) for x in sys.stdin.readline().split()] def I(): return int(sys.stdin.readline()) def LS(): return sys.stdin.readline().split() def S(): return eval(input()) def dijkstra_heap(s,edge): #始点sから各頂点への最短距離 d = [10**20] * n used = [True] * n #True:未確定 d[s] = 0 used[s] = False edgelist = [] for a,b in edge[s]: heapq.heappush(edgelist,a*(10**6)+b) while len(edgelist): minedge = heapq.heappop(edgelist) #まだ使われてない頂点の中から最小の距離のものを探す if not used[minedge%(10**6)]: continue v = minedge%(10**6) d[v] = minedge//(10**6) used[v] = False for e in edge[v]: if used[e[1]]: heapq.heappush(edgelist,(e[0]+d[v])*(10**6)+e[1]) return d n,x,y=LI() edge = [[] for i in range(n)] for i in range(n-1): edge[i].append([1,i+1]) edge[i+1].append([1,i]) edge[x-1].append([1,y-1]) edge[y-1].append([1,x-1]) ans=[0]*n for i in range(n): a=dijkstra_heap(i,edge) # print(a) for x in a[i:]: ans[x]+=1 for x in ans[1:]: print(x)
p02726
from heapq import heappush, heappop def solve(N, X, Y): ans = [0] * (N) G = [[] for _ in range(N + 1)] for i in range(1, N): G[i].append(i + 1) G[i + 1].append(i) G[X].append(Y) G[Y].append(X) def dfs(vertex): nears = [float('inf')] * (N + 1) depth = 0 que = [[depth, vertex]] while que: d, v = heappop(que) if d < nears[v]: nears[v] = d for g in G[v]: heappush(que, [d + 1, g]) return nears for i in range(1, N): # dfs nears = dfs(i) # print(nears) for j in range(i + 1, N + 1): ans[nears[j]] += 1 for i in ans[1:]: print(i) if __name__ == '__main__': N, X, Y = list(map(int, input().split())) solve(N, X, Y)
# 解説を参考に作成 def solve(N, X, Y): ans = [0] * (N) for i in range(1, N): for j in range(i + 1, N + 1): k = min(abs(j - i), abs(X - i) + 1 + abs(Y - j)) ans[k] += 1 for i in ans[1:]: print(i) if __name__ == '__main__': N, X, Y = list(map(int, input().split())) solve(N, X, Y)
p02726
mod = 10**9 + 7 def iip(listed = False): ret = [int(i) for i in input().split()] if len(ret) == 1 and not listed: return ret[0] return ret def soinsuu_bunkai(n): ret = [] for i in range(2, int(n**0.5)+1): while n % i == 0: n //= i ret.append(i) if i > n: break if n != 1: ret.append(n) return ret def conbination(n, r, mod, test=False): if n <=0: return 0 if r == 0: return 1 if r < 0: return 0 if r == 1: return n ret = 1 for i in range(n-r+1, n+1): ret *= i ret = ret % mod bunbo = 1 for i in range(1, r+1): bunbo *= i bunbo = bunbo % mod ret = (ret * inv(bunbo, mod)) % mod if test: #print(f"{n}C{r} = {ret}") pass return ret def inv(n, mod): return power(n, mod-2) def power(n, p): if p == 0: return 1 if p % 2 == 0: return (power(n, p//2) ** 2) % mod if p % 2 == 1: return (n * power(n, p-1)) % mod #####################################################ライブラリ集ここまで def main(): N, X, Y = iip() X -= 1 Y -= 1 ret = 0 result = [] for k in range(1, N): ret = 0 for i in range(N): ret += search(i, k, N, X, Y) result.append(str(ret)) print(("\n".join(result))) def search(a, k, N, X, Y): kouho = [] if abs(a-X)+1+abs(a+k-Y) >= k and abs(a-Y) + 1 + abs(a+k-X) >= k: #print(f"追加 {a+k} a, k = {a}, {k} by 条件1") kouho.append(a+k) asy = k-abs(a-X)-1 if asy < 0: pass elif asy == 0: if abs(a-X) + 1 <= abs(a-Y): kouho.append(Y) #print(f"追加 {Y} a, k = {a}, {k} by 条件6") else: if abs(a-(Y-asy)) > k: kouho.append(Y-asy) #print(f"追加 {Y-asy} a, k = {a}, {k} by 条件2") if abs(a-(Y+asy)) > k: #print(f"追加 {Y+asy} a, k = {a}, {k} by 条件3") kouho.append(Y+asy) asx = k-abs(a-Y)-1 if asx < 0: pass elif asx == 0: if abs(a-Y) + 1 < abs(a-X): kouho.append(X) #print(f"追加 {X} a, k = {a}, {k} by 条件7") else: if abs(a-(X-asx)) > k: kouho.append(X-asx) #print(f"追加 {X-asx} a, k = {a}, {k} by 条件4") if abs(a-(X+asx)) > k: kouho.append(X+asx) #print(f"追加 {X+asx} a, k = {a}, {k} by 条件5") kakutei = [] result = 0 for kh in kouho: if kh == a: continue if kh < 0: continue if kh > N-1: continue if kh in kakutei: continue if kh < a: continue kakutei.append(kh) result += 1 #print(f"--result開始 a, k = {a}, {k}") #print(result) #print(kakutei) #print("--result終了") return result if __name__ == "__main__": main()
mod = 10**9 + 7 def iip(listed = False): ret = [int(i) for i in input().split()] if len(ret) == 1 and not listed: return ret[0] return ret def soinsuu_bunkai(n): ret = [] for i in range(2, int(n**0.5)+1): while n % i == 0: n //= i ret.append(i) if i > n: break if n != 1: ret.append(n) return ret def conbination(n, r, mod, test=False): if n <=0: return 0 if r == 0: return 1 if r < 0: return 0 if r == 1: return n ret = 1 for i in range(n-r+1, n+1): ret *= i ret = ret % mod bunbo = 1 for i in range(1, r+1): bunbo *= i bunbo = bunbo % mod ret = (ret * inv(bunbo, mod)) % mod if test: #print(f"{n}C{r} = {ret}") pass return ret def inv(n, mod): return power(n, mod-2) def power(n, p): if p == 0: return 1 if p % 2 == 0: return (power(n, p//2) ** 2) % mod if p % 2 == 1: return (n * power(n, p-1)) % mod #####################################################ライブラリ集ここまで def main(): N, X, Y = iip() X, Y = sorted((X-1, Y-1)) #print(X, Y) result = [0 for i in range(1, N)] for a in range(0, N): for b in range(a+1, N): d1 = b-a d2 = abs(X-a)+abs(Y-b)+1 d = min(d1, d2)-1 #print(a, b, d) result[d] += 1 print(("\n".join([str(i) for i in result]))) if __name__ == "__main__": main()
p02726
#!/usr/bin/env python3 import sys sys.setrecursionlimit(10**8) import heapq from collections import defaultdict INF = float("inf") class Graph(object): def __init__(self, N): self.N = N self.E = defaultdict(list) def add_edge(self, s, t, w=1): self.E[s].append((t, w)) self.E[t].append((s, w)) def shortestPath(g: Graph, s: int): # 返り値 (dist, prev) # dist: 始点からの距離が格納されたリスト # prev: 始点から最短経路で移動する場合、各頂点に至る前の頂点のリスト dist = [INF]*g.N dist[s] = 0 prev = [None]*g.N Q = [] heapq.heappush(Q, (dist[s], s)) while len(Q) > 0: _, u = heapq.heappop(Q) for v, w in g.E[u]: if dist[v] > dist[u] + w: dist[v] = dist[u] + w prev[v] = u heapq.heappush(Q, (dist[v], v)) return dist, prev def solve(N: int, X: int, Y: int): g = Graph(N) for i in range(1, N): g.add_edge(i-1, i) g.add_edge(X-1, Y-1) ans = [0]*N for i in range(N): dist, prev = shortestPath(g, i) for j, d in enumerate(dist): if i < j: ans[d] += 1 print(*ans[1:], sep="\n") return def main(): def iterate_tokens(): for line in sys.stdin: for word in line.split(): yield word tokens = iterate_tokens() N = int(next(tokens)) # type: int X = int(next(tokens)) # type: int Y = int(next(tokens)) # type: int solve(N, X, Y) if __name__ == '__main__': main()
#!/usr/bin/env python3 import sys sys.setrecursionlimit(10**8) import heapq from collections import defaultdict INF = float("inf") def solve(N: int, X: int, Y: int): if X > Y: X, Y = Y, X ans = [0]*N for i in range(N): for j in range(i+1, N): d = min(abs(j-i), abs(i-(X-1))+1+abs(j-(Y-1))) ans[d] += 1 print(*ans[1:], sep="\n") return def main(): def iterate_tokens(): for line in sys.stdin: for word in line.split(): yield word tokens = iterate_tokens() N = int(next(tokens)) # type: int X = int(next(tokens)) # type: int Y = int(next(tokens)) # type: int solve(N, X, Y) if __name__ == '__main__': main()
p02726
from collections import deque n,x,y=list(map(int,input().split())) g = [[i-1,i+1] for i in range(1,n-1)] g.insert(0,[1]) g.append([n-2]) g[x-1].append(y-1) g[y-1].append(x-1) dist = [] def bfs(i): d = [float("inf")]*n que = deque([]) que.append(i) d[i] = 0 while que: idx = que.popleft() l = g[idx] for j in l: if d[j] == float("inf"): d[j] = d[idx] + 1 que.append(j) elif d[j] > d[idx] + 1: d[j] = d[idx] + 1 que.append(j) dist.extend(d) for i in range(n): bfs(i) dist.sort() for i in range(1,n): print((dist.count(i)//2))
n,x,y=list(map(int, input().split())) ans=[0]*n for i in range(1,n): for j in range(i+1,n+1): a = min(j-i, abs(x-i)+1+abs(y-j)) ans[a-1] += 1 for i in range(n-1): print((ans[i]))
p02726
import bisect as bs n,x,y = list(map(int,input().split())) x -= 1 y -= 1 array = [[-1 for i in range(n)] for j in range(n)] for i in range(n): for j in range(n): array[i][j] = abs(j-i) for i in range(n): if array[i][x] == array[i][y]: pass elif array[i][x] > array[i][y]: array[i][x] = array[i][y] + 1 index = x - 1 while True: if index < 0 or array[i][index] <= array[i][index+1]: break array[i][index] = array[i][index+1] + 1 index -= 1 index = x + 1 while True: if index >= n or array[i][index] <= array[i][index-1]: break array[i][index] = array[i][index-1] + 1 index += 1 else: array[i][y] = array[i][x] + 1 index = y - 1 while True: if index < 0 or array[i][index] <= array[i][index+1]: break array[i][index] = array[i][index+1] + 1 index -= 1 index = y + 1 while True: if index >= n or array[i][index] <= array[i][index-1]: break array[i][index] = array[i][index-1] + 1 index += 1 ans = [0] * (n+1) for i in range(n): for j in range(i, n): tmp = array[i][j] ans[tmp] += 1 for i in range(1,n): print((ans[i]))
n,x,y = list(map(int,input().split())) x -= 1 y -= 1 array1 = [0] * n array2 = [0] * n for i in range(x, y+1): array1[i] = min(i-x, y-i+1) array2[i] = min(i-x+1, y-i) ans = [0] * (n+1) dis = [[0 for i in range(n)] for i in range(n)] for i in range(n): if i <= x: for j in range(i+1,n): if y <= j: tmp = (x-i) + (j-y) + 1 elif j <= x: tmp = j-i else: tmp = (x-i) + array1[j] ans[tmp] += 1 dis[i][j] = tmp elif y <= i: for j in range(i+1,n): ans[j-i] += 1 dis[i][j] = j-i else: for j in range(i+1,n): if y <= j: tmp = (j-y) + array2[i] else: tmp = min(j-i, (y-x+1)-(j-i)) ans[tmp] += 1 dis[i][j] = tmp for i in range(1,n): print((ans[i]))
p02726
n, x, y = list(map(int, input().split())) def distance(i,j): d1 = abs(i-j) d2 = abs(i-x)+1+abs(j-y) d3 = abs(i-y)+1+abs(j-x) d = min(d1,d2,d3) return d d = [0]*(n-1) for i in range(1, n+1): for j in range(i+1,n+1): d[distance(i,j)-1] = d[distance(i,j)-1] + 1 for i in d: print(i)
n, x, y = list(map(int, input().split())) d = [0]*(n-1) for i in range(1, n+1): for j in range(i+1,n+1): c = min(j-i, abs(i-x)+1+abs(j-y)) d[c-1] = d[c-1] + 1 for i in d: print(i)
p02726
from collections import deque, Counter def bfs(start, graph): q = deque([(start, 0)]) visited = set() while q: curr, dist = q.popleft() if curr not in visited: yield start, curr, dist visited.add(curr) for neighbor in graph[curr]: q.append((neighbor, dist + 1)) if __name__ == '__main__': n, x, y = tuple([int(i) for i in input().split()]) graph = {i: [] for i in range(1, n + 1)} for i in range(1, n): graph[i].append(i + 1) graph[i + 1].append(i) graph[min(x, y)].append(max(x, y)) graph[max(x, y)].append(min(x, y)) dists = [0 for k in range(n)] distances = {} for i in range(1, n): for s, e, d in bfs(i, graph): if s != e: start = min(s, e) end = max(s, e) key = (start, end) if key in list(distances.keys()): distances[key] = min(distances[key], d) else: distances[key] = d dists = Counter(list(distances.values())) for k in range(1, n): print((dists[k] if k in list(dists.keys()) else 0))
def distance(i, j, x, y): return min([abs(j - i), abs(x - i) + 1 + abs(j - y), abs(y - i) + 1 + abs(j - x)]) if __name__ == '__main__': n, x, y = tuple([int(i) for i in input().split()]) x, y = min(x, y), max(x, y) dists = [0 for k in range(n)] for i in range(1, n): for j in range(i + 1, n + 1): d = distance(i, j, x, y) dists[d] += 1 for k in dists[1:]: print(k)
p02726
from collections import deque ni = lambda: int(eval(input())) nm = lambda: list(map(int, input().split())) # nl = lambda: list(map(int, input().split())) n,x,y=nm() class Node: def __init__(self,x): self.val = x self.left=[] self.right=[] nodes = [Node(i) for i in range(n)] for i in range(n-1): nodes[i].right.append(nodes[i+1]) nodes[i+1].left.append(nodes[i]) nodes[x-1].right.append(nodes[y-1]) nodes[y-1].left.append(nodes[x-1]) gl_dist = [0]*n for i in range(n): dist = [-1]*n dist[i]=0 q = deque() q.append(nodes[i]) while len(q) > 0: node = q.popleft() nv = node.val nl = node.left nr = node.right for nli in nl: if dist[nli.val] == -1: dist[nli.val] = dist[nv]+1 q.append(nli) for nri in nr: if dist[nri.val] == -1: dist[nri.val] = dist[nv]+1 q.append(nri) for j in range(i+1,n): # print("{} to {} is {}".format(i,j,dist[j])) if dist[j] != -1: gl_dist[dist[j]]+=1 for i in range(1,n): print((gl_dist[i])) # print(gl_dist)
ni = lambda: int(eval(input())) nm = lambda: list(map(int, input().split())) nl = lambda: list(map(int, input().split())) n,x,y = nm() dist = [0]*n for i in range(1,n+1): for j in range(i+1,n+1): naive = j-i cand = naive if i<x: if x<=j<=y: cand = x-i+1+y-j elif j>y: cand = x-i+1+j-y elif x<=i<=y: if j<=y: cand = i-x+1+y-j else: cand = i-x+1+j-y d = min(naive,cand) dist[d]+=1 for i in range(1,n): print((dist[i]))
p02726
import sys from collections import deque read = sys.stdin.read readline = sys.stdin.readline readlines = sys.stdin.readlines sys.setrecursionlimit(10 ** 9) INF = 1 << 60 MOD = 1000000007 def main(): N, X, Y = list(map(int, readline().split())) X -= 1 Y -= 1 G = [[] for _ in range(N)] for i in range(N - 1): G[i].append(i + 1) G[i + 1].append(i) G[X].append(Y) G[Y].append(X) count = [0] * N for i in range(N): dist = [-1] * N dist[i] = 0 queue = deque([i]) while queue: v = queue.popleft() for nv in G[v]: if dist[nv] == -1: dist[nv] = dist[v] + 1 count[dist[nv]] += 1 queue.append(nv) ans = [c // 2 for c in count[1:]] print(('\n'.join(map(str, ans)))) return if __name__ == '__main__': main()
import sys from collections import deque read = sys.stdin.read readline = sys.stdin.readline readlines = sys.stdin.readlines sys.setrecursionlimit(10 ** 9) INF = 1 << 60 MOD = 1000000007 def main(): N, X, Y = list(map(int, readline().split())) X -= 1 Y -= 1 ans = [0] * N for i in range(N - 1): for j in range(i + 1, N): d = min(j - i, abs(i - X) + 1 + abs(Y - j), abs(j - X) + 1 + abs(X - i)) ans[d] += 1 print(('\n'.join(map(str, ans[1:])))) return if __name__ == '__main__': main()
p02726
from collections import deque def main(): N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 ans = [0 for _ in range(N)] for s in range(N): dist = [-1 for _ in range(N)] dist[s] = 0 d = deque([s]) while(len(d) > 0): v = d.popleft() if v == X: if dist[Y] == -1: d.append(Y) dist[Y] = dist[v] + 1 if v == Y: if dist[X] == -1: d.append(X) dist[X] = dist[v] + 1 if v + 1 < N: if dist[v+1] == -1: d.append(v+1) dist[v+1] = dist[v] + 1 if v - 1 >= 0: if dist[v-1] == -1: d.append(v-1) dist[v-1] = dist[v] + 1 for i in range(N): ans[dist[i]] += 1 for k in range(1, N): print((ans[k] // 2)) if __name__ == "__main__": main()
from collections import deque def main(): N, X, Y = list(map(int, input().split())) X -= 1 Y -= 1 ans = [0 for _ in range(N)] for s in range(N): dist = [-1 for _ in range(N)] dist[s] = 0 d = deque([s]) while(len(d) > 0): v = d.popleft() if v == X: if dist[Y] == -1: d.append(Y) dist[Y] = dist[v] + 1 elif v == Y: if dist[X] == -1: d.append(X) dist[X] = dist[v] + 1 if v + 1 < N: if dist[v+1] == -1: d.append(v+1) dist[v+1] = dist[v] + 1 if v - 1 >= 0: if dist[v-1] == -1: d.append(v-1) dist[v-1] = dist[v] + 1 for i in range(N): ans[dist[i]] += 1 for k in range(1, N): print((ans[k] // 2)) if __name__ == "__main__": main()
p02726
n, x, y = list(map(int, input().split())) li = [0]*(n-1) num = 0 for i in range(1,n+1): for j in range(i+1,n+1): if j<=x or y<i: num = j-i elif i<=x and x<j<=y: num = (x-i)+min(j-x, y-j+1) elif i<=x and y<j: num = (x-i)+(j-y)+1 elif x<i and j<=y: num = min(j-i,(i-x)+(y-j)+1) elif x<i<=y and y<j: num = min(i-x+1, y-i)+(j-y) li[num-1] += 1 for i in li: print(i)
n, x, y = list(map(int, input().split())) li = [0] * (n - 1) num = 0 for i in range(1, n + 1): for j in range(i + 1, n + 1): num = min(j-i, abs(i-x)+abs(j-y)+1) li[num - 1] += 1 for i in li: print(i)
p02726
from collections import deque n,x,y=list(map(int,input().split())) t=deque() for i in range(1,n+1): for j in range(i+1,n+1): t.append(min(abs(j-i),abs(i-x)+abs(j-y)+1)) for k in range(1,n): print((t.count(k)))
n,x,y=map(int,input().split()) t=[0]*n for i in range(1,n+1): for j in range(i+1,n+1): t[min(abs(j-i),abs(i-x)+abs(j-y)+1)]+=1 print(*t[1:],sep='\n')
p02726
n,x,y = list(map(int,input().split())) ans = {} for i in range(1,n): for j in range(i+1,n+1): dist = min(abs(i-j),abs(i-x)+abs(j-y)+1,abs(i-y)+abs(j-x)+1) if dist in list(ans.keys()): ans[dist] += 1 else: ans[dist] = 1 for k in range(1,n): if k in list(ans.keys()): print((ans[k])) else: print((0))
n,x,y = list(map(int,input().split())) ans = {} s = (y-x+1)//2 s = x+s for i in range(1,n): for j in range(i+1,n+1): if i <= s: dist = min(j-i,abs(i-x)+abs(j-y)+1) else: dist = j-i if dist in list(ans.keys()): ans[dist] += 1 else: ans[dist] = 1 for k in range(1,n): if k in list(ans.keys()): print((ans[k])) else: print((0))
p02726
#D line = [int(x) for x in input().split()] n = line[0] x = line[1] y = line[2] results =[0]*(n+2) for i in range(1, n): for j in range(i+1,n+1): yeet = min([abs(j-i), abs(x-i) + 1 + abs(j-y), abs(y-i) + 1 + abs(j-x)]) results[yeet-1] += 1 for i in range(0, n-1): print((results[i]))
#D line = [int(x) for x in input().split()] n = line[0] x = line[1] y = line[2] results =[0]*(n+2) for i in range(1, n): for j in range(i+1,n+1): results[min([abs(j-i), abs(x-i) + 1 + abs(j-y)])-1] += 1 for i in range(0, n-1): print((results[i]))
p02726
n,x,y=list(map(int,input().split())) ans=[0]*n for i in range(1,n+1): for j in range(i+1,n+1): a1=abs(i-j) a2=abs(x-i)+1+abs(y-j) a3=abs(y-i)+1+abs(x-j) d=min(a1,a2,a3) ans[d]+=1 for i in range(1,n): print((ans[i]))
n,x,y=list(map(int,input().split())) ans=[0]*n #個数を数えるのにバケットを用意する for i in range(1,n+1): #i<jなるすべての頂点の組について最短距離を求める for j in range(i+1,n+1): dist1=j-i dist2=abs(x-i)+abs(y-j)+1 dist3=abs(y-i)+abs(x-j)+1 d=min(dist1,dist2,dist3) #最短距離は上式により求められる ans[d]+=1 #最短距離がdとなる組の個数を1増やす for i in range(1,n): print((ans[i]))
p02726
n,x,y=list(map(int,input().split())) ans=[0]*n for i in range(1,n+1): for j in range(i+1,n+1): a1=abs(i-j) a2=abs(x-i)+1+abs(y-j) a3=abs(y-i)+1+abs(x-j) d=min(a1,a2,a3) ans[d]+=1 for i in range(1,n): print((ans[i]))
n,x,y=list(map(int,input().split())) ans=[0]*n for i in range(1,n+1): for j in range(i+1,n+1): a1=j-i a2=abs(x-i)+1+abs(y-j) a3=abs(y-i)+1+abs(x-j) d=min(a1,a2,a3) ans[d]+=1 for i in range(1,n): print((ans[i]))
p02726
#!/usr/bin/env python3 from collections import deque n, x, y = list(map(int, input().split())) to = [[] for _ in range(n)] for i in range(n): if i == 0: to[i].append(i+1) elif i == n-1: to[i].append(i-1) else: to[i].append(i+1) to[n-i-1].append(n-i-2) to[x-1].append(y-1) to[y-1].append(x-1) anss = [0 for _ in range(n-1)] # 頂点'start'からBFS def bfs(start): inf = 1001001001 dist = [inf for _ in range(n)] q = deque() q.append(start) dist[start] = 0 while q: v = q.popleft() for u in to[v]: if dist[u] == inf: dist[u] = dist[v]+1 q.append(u) # print('start = ', start, ': dist = ', dist) for k in range(1, n): cnt = 0 for i in range(n): if cnt > 3: break if dist[i]-dist[start] == k: anss[k-1] += 1 cnt += 1 for i in range(n): bfs(i) for i in range(n-1): print((anss[i]//2))
#!/usr/bin/env python3 # TLE解 from collections import deque n, x, y = list(map(int, input().split())) to = [[] for _ in range(n)] for i in range(n): if i == 0: to[i].append(i+1) elif i == n-1: to[i].append(i-1) else: to[i].append(i+1) to[n-i-1].append(n-i-2) to[x-1].append(y-1) to[y-1].append(x-1) ans = [0 for _ in range(n)] # 頂点'start'からBFS def bfs(start): inf = 1001001001 dist = [inf for _ in range(n)] q = deque() q.append(start) dist[start] = 0 while q: v = q.popleft() for u in to[v]: if dist[u] == inf: dist[u] = dist[v]+1 q.append(u) # print('start = ', start, ': dist = ', dist) # for k in range(1, n): # for i in range(n): # if dist[i]-dist[start] == k: # ans[k-1] += 1 for i in range(n): ans[dist[i]] += 1 for i in range(n): bfs(i) for i in range(1, n): print((ans[i]//2))
p02726
import math import bisect n=int(eval(input())) a=list(map(int,input().split())) a.sort() b=[] for i in range(1,50): b.append(2**i) ct=0 check=[1]*n for i in range(n-1,-1,-1): if a[i]==1: break if check[i]==1 and a[i] not in b: check[i]=0 x=math.floor(math.log2(a[i])) x=b[x]-a[i] y=bisect.bisect_left(a,x) z=bisect.bisect_right(a,x) t=bisect.bisect_left(check[y:z],1)+y if t!=z: check[t]=0 ct+=1 ctb=0 w=1 for i in range(n): if a[i] in b or a[i]==1: if a[i]==w: if check[i]==1: ctb+=1 else: ct+=ctb//2 w=a[i] if check[i]==1: ctb=1 else: ctb=0 else: ct+=ctb//2 ctb=0 ct+=ctb//2 print(ct)
import math import bisect n=int(eval(input())) a=list(map(int,input().split())) a.sort() x=a[0] ctn=1 l=[] l2=[] for i in range(1,n): if x==a[i]: ctn+=1 else: l.append([x,ctn]) l2.append(x) x=a[i] ctn=1 l.append([x,ctn]) l2.append(x) b=[] for i in range(1,50): b.append(2**i) ct=0 for i in range(len(l2)-1,-1,-1): x=math.floor(math.log2(l2[i])) x=b[x]-l2[i] y=bisect.bisect_left(l2,x) if l2[y]==x: if l2[y]!=l2[i]: m=min(l[i][1],l[y][1]) else: m=l[i][1]//2 l[i][1]-=m l[y][1]-=m ct+=m print(ct)
p03201
import math from collections import defaultdict def main(): _ = int(eval(input())) nums = list(map(int, input().split())) n = len(nums) nums.sort() nums_cnt = defaultdict(int) for num in nums: nums_cnt[num] += 1 cnt = 0 #print(num_bin_digits) for cur in reversed(list(range(n))): num = nums[cur] if nums_cnt[num] <= 0: continue power_of_2 = 1 << math.ceil(math.log2(num)) pair = power_of_2 - num if pair != 0 and nums_cnt[pair] > 0: nums_cnt[pair] -= 1 nums_cnt[num] -= 1 cnt += 1 elif pair == 0 and nums_cnt[num] >= 2: nums_cnt[num] -= 2 cnt += 1 ''' idx = bisect.bisect_left(nums, pair) if idx >= cur or nums[idx] != pair: #print('continue',pair, idx) continue while used[idx]: idx += 1 if nums[idx] == pair: used[idx] = True cnt += 1 #print(idx, num, power_of_2, pair) #print(cnt, nums, used) ''' #print(nums_cnt) print(cnt) return main()
import math from collections import defaultdict def main(): n = int(eval(input())) nums = list(map(int, input().split())) nums.sort() nums_cnt = defaultdict(int) for num in nums: nums_cnt[num] += 1 cnt = 0 for num in reversed(nums): if nums_cnt[num] <= 0: continue power_of_2 = 1 << math.ceil(math.log2(num)) pair = power_of_2 - num if pair != 0 and nums_cnt[pair] > 0: nums_cnt[pair] -= 1 nums_cnt[num] -= 1 cnt += 1 elif pair == 0 and nums_cnt[num] >= 2: nums_cnt[num] -= 2 cnt += 1 print(cnt) return main()
p03201
import bisect import collections n = int(eval(input())) a = list(map(int, input().split())) a_counter = collections.Counter(a) a_keys = sorted(list(a_counter.keys()), reverse=True) targets = [] t = 0 vt = 1 for v in a: while v >= vt: t += 1 vt *= 2 targets.append(vt) targets.reverse() cnt = 0 for key in a_keys: if a_counter[key] <= 0: continue for t in targets: if key == t-key: p = max(0, min(a_counter[key], a_counter[t-key])) // 2 else: p = max(0, min(a_counter[key], a_counter[t-key])) a_counter[key] -= p a_counter[t-key] -= p cnt += p print(cnt)
import bisect import collections n = int(eval(input())) a = list(map(int, input().split())) a_counter = collections.Counter(a) a_keys = sorted(list(a_counter.keys()), reverse=True) targets = [] t = 0 vt = 1 for v in a: while v >= vt: t += 1 vt *= 2 targets.append(vt) targets.reverse() cnt = 0 for key in a_keys: if a_counter[key] <= 0: continue for t in targets: if key >= t: break if key == t-key: p = max(0, min(a_counter[key], a_counter[t-key])) // 2 else: p = max(0, min(a_counter[key], a_counter[t-key])) a_counter[key] -= p a_counter[t-key] -= p cnt += p print(cnt)
p03201
n = int(eval(input())) a = list(map(int,input().split())) a.sort(reverse=True) u = [0 for i in range(len(a))] def binarySearch(alist, item,exhi): first = 0 last = len(alist)-1 found = False while first<=last and not found: midpoint = (first + last)//2 if alist[midpoint] == item and u[midpoint] <= 0 and midpoint != exhi: found = True u[midpoint] += 1 else: if item > alist[midpoint]: last = midpoint-1 else: first = midpoint+1 return found b = [2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912] sum = 0 i = 0 #print(a) while True: if u[i] > 0: i = i + 1 if i >= len(a)-1: break continue t = 0 for bb in b : if bb > a[i]: t = bb - a[i] break if t > a[i]: i = i + 1 if i >= len(a)-1: break continue if t in a : idx = 0 while True: try: idx = a.index(t,idx) if u[idx] == 0 and idx != i: u[idx] += 1 sum += 1 break elif idx == i: break except: break i = i + 1 if i >= len(a)-1: break print(sum)
from bisect import bisect_left n = int(eval(input())) a = list(map(int,input().split())) a.sort() #print(a) sum = 0 for i in range (len(a)-1,-1,-1): b = 1 while b <= a[i]: b = b<<1 t = b - a[i] #print("2^",t) k = bisect_left(a,t) if a[k] == t and k < i: sum += 1 a[k] -= 0.1 a[i] += 0.1 print(sum)
p03201
def main(): n = int(eval(input())) a = list(map(int, input().split())) dic = {} for v in a: if v in dic: dic[v] += 1 else: dic[v] = 1 key = [v for v in list(dic.keys())] key.sort(reverse=True) ans = 0 for v in key: num = dic[v] if num > 0: for i in reversed(list(range(1, 35))): target = 2**i if 2*v < target or target < v: continue u = target - v if v == u: z = dic[v]//2 ans += z dic[v] -= 2*z elif u in dic: x, y = dic[v], dic[u] z = 0 if x < y: z = x else: z = y dic[v] -= z dic[u] -= z ans += z if dic[v] == 0: break print(ans) if __name__ == "__main__": main()
def main(): n = int(eval(input())) a = list(map(int, input().split())) dic = {} for v in a: if v in dic: dic[v] += 1 else: dic[v] = 1 key = [v for v in list(dic.keys())] key.sort(reverse=True) ans = 0 for v in key: num = dic[v] if num > 0: for i in reversed(list(range(1, 32))): target = 2**i if 2*v < target: continue if target < v: break u = target - v if v == u: z = dic[v]//2 ans += z dic[v] -= 2*z elif u in dic: x, y = dic[v], dic[u] z = 0 if x < y: z = x else: z = y dic[v] -= z dic[u] -= z ans += z if dic[v] == 0: break print(ans) if __name__ == "__main__": main()
p03201
import bisect N = int(eval(input())) A = list(map(int,input().split())) A.sort() ans = 0 L=0 t=31 while(t>0): if len(A) == 0: break if A[-1] >= (1 << t): t -= 1 L = 0 continue if A[-1] < (1 << (t-1)): t -= 1 L = 0 continue large = A.pop(-1) tmp = bisect.bisect_left(A,(1<<t)-large,lo=L,hi=len(A)) if tmp == len(A): t -= 1 L = 0 continue if A[tmp] == (1<<t)-large: del A[tmp] ans += 1 L = max(0,tmp-1) print(ans)
N = int(eval(input())) A = list(map(int,input().split())) A.sort(reverse=True) dic = {} for a in A: dic[a] = dic.get(a,0)+1 ans = 0 for a in A: small = (1<<(len(format(a,"b")))) - a if small == a: if dic[a] >= 2: dic[a] -= 2 ans += 1 continue if dic.get(a,0)>0 and dic.get(small,0)>0: dic[a] -= 1 dic[small] -= 1 ans += 1 print(ans)
p03201
from collections import defaultdict import sys input = sys.stdin.readline N = int(eval(input())) A = list(map(int, input().split())) A.sort(reverse=True) cnt = defaultdict(int) for a in A: cnt[a] += 1 n = 1 while n <= 2 * A[0]: n *= 2 n //= 2 ans = 0 while n > 0: for a in A: if cnt[a] == 0: continue b = n - a if b > a: break c = 0 if b == a and cnt[a] > 1: c = cnt[a] // 2 elif b != a and cnt[b] > 0: c = min(cnt[a], cnt[b]) cnt[a] -= c cnt[b] -= c ans += c n //= 2 print(ans)
from collections import defaultdict import sys input = sys.stdin.readline N = int(eval(input())) A = list(map(int, input().split())) A.sort(reverse=True) cnt = defaultdict(int) for a in A: cnt[a] += 1 n = 1 while n <= 2 * A[0]: n *= 2 n //= 2 ans = 0 while n > 0: for a in A: if cnt[a] == 0: continue b = n - a if b < 0: continue if b > a: break c = 0 if b == a and cnt[a] > 1: c = cnt[a] // 2 elif b != a and cnt[b] > 0: c = min(cnt[a], cnt[b]) cnt[a] -= c cnt[b] -= c ans += c n //= 2 print(ans)
p03201
import math import bisect N=int(eval(input())) alist=list(map(int,input().split())) alist.sort() #print(alist) flist=[False]*N answer=0 for i in reversed(list(range(N))): if flist[i]: continue p1=alist[i] p2=2**math.ceil(math.log(p1+1,2))-p1 #print(p1,p2) index1 = bisect.bisect_left(alist,p2,0,i+1) index2 = bisect.bisect_right(alist,p2,index1,i+1) #print(index1,index2) for j in range(index1,index2): if j != i and not flist[j]: flist[i]=True flist[j]=True answer+=1 break #print(flist) print(answer)
import bisect N=int(eval(input())) alist=list(map(int,input().split())) alist.sort(reverse=True) blist=[] for a in alist: a2=a digit_a2=0 while(a2>0): a2>>=1 digit_a2+=1 b=2**(digit_a2)-a blist.append(b) #print(alist) #print(blist) dic_a={} for a in alist: if a in dic_a: dic_a[a]+=1 else: dic_a[a]=1 answer=0 for i in range(N): a=alist[i] b=blist[i] if a==b: if dic_a[a]>1: dic_a[a]-=2 answer+=1 #print(a,a) else: if dic_a[a]>0 and b in dic_a and dic_a[b]>0: dic_a[a]-=1 dic_a[b]-=1 answer+=1 #print(a,b) print(answer)
p03201