id
int32 0
32.5k
| code
stringlengths 95
8.4k
| label
stringclasses 65
values |
|---|---|---|
19,900 | int main()
{
float a,b,c,d,s,ans;
double m,n;
cin>>a>>b>>c>>d>>n;
s=(a+b+c+d)/2;
m=(n/2)*3.1415926/180;
ans =sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(m)*cos(m));
if(( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(m)*cos(m)) <0 )
{
printf("Invalid input\n");
}
else
{
printf("%.4f",ans);
}
return 0;
} | 40 |
19,901 |
int main()
{
double a,b,c,d,ag,s,sq;
scanf("%lf\n",&a);
scanf("%lf\n",&b);
scanf("%lf\n",&c);
scanf("%lf\n",&d);
scanf("%lf\n",&ag);
s=(a+b+c+d)/2;
ag=ag/360 * PI;
sq=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(ag),2);
if(sq<0)
{
printf("Invalid input");
return 0;
}
printf("%.4lf",sqrt(sq));
return 0;
} | 40 |
19,902 | double s(double a,double b,double c,double d,double du);
int main()
{
double a,b,c,d,du,s2;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&du);
s2=s(a,b,c,d,du);
if(s2==0)
printf("Invalid input");
else
printf("%.4f",s2);
return 0;
}
double s(double a,double b,double c,double d,double du)
{
double ps,ss,rad;
rad=du*PI/360;
ss=(a+b+c+d)/2;
if(((ss-a)*(ss-b)*(ss-c)*(ss-d)-a*b*c*d*cos(rad)*cos(rad))<0)
return 0;
else
{
ps=sqrt((ss-a)*(ss-b)*(ss-c)*(ss-d)-a*b*c*d*cos(rad)*cos(rad));
return ps;
}
} | 40 |
19,903 |
int main()
{
double a, b, c, d, angle;
double output;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
float square(double a1, double b1, double c1, double d1, double angle1);
output = square(a,b,c,d,angle);
if (output == -1) {
printf("Invalid input");
}
else {
printf("%.4lf",output);
}
return 0;
}
float square(double a1, double b1, double c1, double d1, double angle1){
double s;
double S;
double cs;
double sqr;
s = (a1 + b1 + c1 + d1) / 2;
cs = cos(angle1 * PI / 360 );
sqr = (s - a1) * (s - b1) * (s - c1) * (s - d1) - a1 * b1 * c1 * d1 * cs * cs;
if (sqr < 0) {
return -1;
}
else {
S = sqrt(sqr);
return S;
}
} | 40 |
19,904 |
double S (double a,double b,double c,double d,double rad,double s){
s = (a+b+c+d)/2;
return sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(rad)*cos(rad));
}
int main(){
double a,b,c,d,e,num,rad,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&num);
rad=num/360*3.1415926;
s = (a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(rad)*cos(rad)<0){
printf("Invalid input");
}
else
printf("%.4lf\n",S(a,b,c,d,rad,s));
return 0;
} | 40 |
19,905 | main()
{
double a=0, b=0, c=0, d=0;
double angle=0;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&angle);
double s =(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle/360*pi)*cos(angle/360*pi)<= 0)
{
printf("Invalid input\n");
}
else
{
printf("%.4lf\n",sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle/360*pi)*cos(angle/360*pi)));
}
return 0;
}
| 40 |
19,906 |
int main()
{
double a,b,c,d,s,e,S1;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
S1=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*PI)*cos(e/360*PI));
if(S1>=0)
printf("%.4lf",sqrt(S1));
else
printf("Invalid input");
}
| 40 |
19,907 |
int main ()
{
double a,b,c,d,e,s,ss;
cin>>a>>b>>c>>d>>e;
s=(a+b+c+d)/2;
ss=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360);
if (ss>=0)
{printf("%.4f",sqrt(ss));
}
else printf("Invalid input");
} | 40 |
19,908 | void main()
{
double a,b,c,d,e,S,s,PI=3.1415926,E;
double A,B,C;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
E=(e/2)*(PI/180);
A=(s-a)*(s-b)*(s-c)*(s-d);
B=cos(E)*cos(E)*a*b*c*d;
C=A-B;
if(C<0) printf("Invalid input\n");
if(C>=0)
{
S=sqrt(C);
printf("%.4lf\n",S);
}
}
| 40 |
19,909 | int main(int argc, char* argv[])
{
double a,b,c,d,e,f,h,s,i,j,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
f=e/2;
h=cos ((f/360)*2*3.1415926);
s =(a+b+c+d)/2;
i=(s-a)*(s-b)*(s-c)*(s-d);
j=(a*b*c*d*h*h);
if( i-j<0){
printf("Invalid input\n");
}
else
{S = sqrt(i-j);
printf("%.4lf\n",S);}
return 0;
}
| 40 |
19,910 | int main()
{
double a,b,c,d,A,s,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&A);
s = (a+b+c+d)/2;
if((s-a)<0||(s-b)<0||(s-c)<0||(s-d)<0)
printf("Invalid input",s);
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(A*3.1415926/360)*cos(A*3.1415926/360));
printf("%.4lf\n",S);
}
return 0;
}
| 40 |
19,911 | void main()
{
double s(double a,double b,double c,double d,double t);
int i;
double l[5];
for(i=0;i<=4;i++)
scanf("%lf",&l[i]);
if(s(l[0],l[1],l[2],l[3],l[4])<0)
printf("Invalid input");
else
printf("%.4lf",sqrt(s(l[0],l[1],l[2],l[3],l[4])));
}
double s(double a,double b,double c,double d,double t)
{
double x,m;
t=t/360*3.1415926;
m=(a+b+c+d)/2;
x=(m-a)*(m-b)*(m-c)*(m-d)-a*b*c*d*cos(t)*cos(t);
return(x);
} | 40 |
19,912 |
int main(int argc, char* argv[])
{ double a,b,c,d;
int jiaohe;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
scanf("%d",&jiaohe);
if(((0.5*(a+b+c+d)-a)*(0.5*(a+b+c+d)-b)*(0.5*(a+b+c+d)-c)*(0.5*(a+b+c+d)-d) - a*b*c*d*cos(((double)jiaohe/180/2)*3.1415926)*cos(((double)jiaohe/180/2)*3.1415926))<0){printf("Invalid input");}
if(((0.5*(a+b+c+d)-a)*(0.5*(a+b+c+d)-b)*(0.5*(a+b+c+d)-c)*(0.5*(a+b+c+d)-d) - a*b*c*d*cos(((double)jiaohe/180/2)*3.1415926)*cos(((double)jiaohe/180/2)*3.1415926))>0)
{ printf("%.4lf\n", sqrt((0.5*(a+b+c+d)-a)*(0.5*(a+b+c+d)-b)*(0.5*(a+b+c+d)-c)*(0.5*(a+b+c+d)-d) - a*b*c*d*cos(((double)jiaohe/180/2)*3.1415926)*cos(((double)jiaohe/180/2)*3.1415926)));}
return 0;
}
| 40 |
19,913 | int main()
{
double s[5],p,di=1;
int i,k;
for(i=0;i<5;i++){
scanf("%lf",&s[i]);}
p=(s[1]+s[2]+s[3]+s[0])/2;
for(k=0;k<4;k++){
di*=(p-s[k]);}
if(di<0){
printf("Invalid input");}
else
{
double ss,hudu;
hudu=((s[4]/2)/180)*PI;
ss=pow((di-s[1]*s[2]*s[3]*s[0]*pow(cos(hudu),2)),0.5);
printf("%.4lf\n",ss);
}
return 0;
} | 40 |
19,914 | int main()
{
double S,s,a,b,c,d,e,f(double a,double b,double c,double d,double e);
int m,n,i,j,k,t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
S=f(a,b,c,d,e);
if(S!=0)
printf("%.4lf",S);
else
printf("Invalid input");
}
double f(double a,double b,double c,double d,double e)
{
double s,n,m;
s=(a+b+c+d)/2;m=e/2/360*2*P;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(m)*cos(m))>0)
n=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(m)*cos(m));
else
n=0;
return(n);
} | 40 |
19,915 |
int main()
{
float a,b,c,d,e,s,S;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s=1.0/2*(a+b+c+d);
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360))<0)
{
printf("Invalid input");}
else {
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360));
printf("%.4lf",S);}
return 0;
}
| 40 |
19,916 |
int main(int argc, char* argv[])
{
double a,b,c,d,t,s,S,h;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&t);
s = 0.5*(a+b+c+d);
h=(t/180.0)*3.1415926;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(h/2)*cos(h/2)<0)
printf("Invalid input\n");
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(h/2)*cos(h/2));
printf("%.4f",S);
}
return 0;
}
| 40 |
19,917 | main()
{
double a,b,c,d,s,p;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
s=(a+b+c+d)/2;
double S;
scanf("%lf",&p);
p=p/2;
p=(p/180)*3.1415926;
double q=cos(p);
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(q,2))<0)
printf("Invalid input");
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(q,2));
printf("%.4f",S);
}
} | 40 |
19,918 | int main()
{
float a,b,c,d,r,t,s;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&t);
s=(a+b+c+d)/2;
r=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t/360*3.1415926)*cos(t/360*3.1415926);
if(r<0)
{
printf("Invalid input");
}
else
{
printf("%.4f",sqrt(r));
}
return 0;
} | 40 |
19,919 | int main()
{
float a,b,c,d,e;
double t,n,m;
scanf("%f %f %f %f\n",&a,&b,&c,&d);
scanf("%lf",&t);
e= (a+b+c+d)/2;
n = sqrt((e-a)*(e-b)*(e-c)*(e-d) - a*b*c*d*cos(t*PI/360)*cos(t*PI/360));
m=(e-a)*(e-b)*(e-c)*(e-d) - a*b*c*d*cos(t*PI/360)*cos(t*PI/360);
if(m<0)
{
printf("Invalid input");
}
if(m>=0)
{
printf("%.4lf",n);
}
return 0;
}
| 40 |
19,920 | int main()
{
double a,b,c,d,e,s,g;
double q=cos((60*PI/180));
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
g=((s-a)*(s-b)*(s-c)*(s-d))-(a*b*c*d*cos(e*PI/360)*cos(e*PI/360));
if (g<0) printf("Invalid input"); else printf("%.4lf",sqrt(g));
}
| 40 |
19,921 | int main()
{
double a,b,c,d,x,s,m,y;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(x*3.1415926/360),2);
if(m>=0){
y=pow(m,0.5);
printf("%.4lf",y);
}else{
printf("Invalid input");
}
return 0;
}
| 40 |
19,922 | void main()
{
double a,b,c,d,j,J,S,s,m,pi=3.1415926;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&j);
s=(a+b+c+d)/2;
J=j/360*pi;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(J)*cos(J);
if(m>0)
printf("%.4lf",sqrt(m));
else
printf("Invalid input");
}
| 40 |
19,923 | double a,b,c,d,a1;
void main()
{
double sq,s,m;
double S();
scanf("%lf",&a);
scanf("\n");
scanf("%lf",&b);
scanf("\n");
scanf("%lf",&c);
scanf("\n");
scanf("%lf",&d);
scanf("\n");
scanf("%lf",&a1);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*m*m<0)
printf("Invalid input");
else
{sq=S();
printf("%.4lf",sq);
}
}
double S()
{
double a2,s,sq,m;
a2=(a1*PI)/360;
m=cos(a2);
s=(a+b+c+d)/2;
sq=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*m*m);
return sq;
}
| 40 |
19,924 | int main(int argc, char* argv[])
{
double a,b,c,d,e,f,s,t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
f=cos(3.1415926*e/360);
t = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(f,2);
if(t<0)
printf("Invalid input\n");
else
printf("%.4lf\n",sqrt(t));
return 0;
} | 40 |
19,925 |
int main()
{
double a,b,c,d,s,S,m,theta,alpha;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&theta);
s=(a+b+c+d)/2;
alpha=theta/180*3.1415926;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(alpha/2),2);
if(m<0)
printf("Invalid input\n");
else
printf("%.4lf",sqrt(m));
return 0;
} | 40 |
19,926 | void S(double a,double b,double c,double d,double angle)
{
double s;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle*PI/360)*cos(angle*PI/360)>=0)
{
printf("%.4lf",pow(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle*PI/360)*cos(angle*PI/360)),0.5));
}else{
printf("Invalid input");
}
}
int main(int argc, char* argv[])
{
double a,b,c,d,angle;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
S(a,b,c,d,angle);
return 0;
}
| 40 |
19,927 | double S(double a,double b,double c,double d,double m);
double max(double a,double b,double c,double d);
int main(int argc, char* argv[])
{
double a,b,c,d,m,ans;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
if(max(a,b,c,d)<(a+b+c+d)/2)
{
m=m*3.1415926/180/2;
ans=S(a,b,c,d,m);
printf("%.4lf",ans);
}
else printf("Invalid input");
return 0;
}
double S(double a,double b,double c,double d,double m)
{
double S=0;
S=sqrt(((a+b+c+d)/2-a)*((a+b+c+d)/2-b)*((a+b+c+d)/2-c)*((a+b+c+d)/2-d)-a*b*c*d*cos(m)*cos(m));
return S;
}
double max(double a,double b,double c,double d)
{
if(a<b)
{
a=b;
}
if(c<d)
{
c=d;
}
if(a<c)
{
a=c;
}
return a;
}
| 40 |
19,928 | int main(int argc, char* argv[])
{
double a,b,c,d,p,q,s,y;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&p);
s=0.5*(a+b+c+d);
q=0.5*p/180*3.1415926;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q))>=0){
y=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q));
printf("%.4lf\n",y);
}
else{
printf("Invalid input\n");
}
return 0;
} | 40 |
19,929 |
const double pi=3.1415926;
double Area(double a,double b,double c,double d,double angle)
{
double s=(a+b+c+d)/2;
angle=(angle/2)/360*2*pi;
double square=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
if (square<0) return -1;
return sqrt(square);
}
int main()
{
double a,b,c,d,angle,ans;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
ans=Area(a,b,c,d,angle);
if (ans>=0) printf("%.4lf",ans);
else printf("Invalid input");
return 0;
} | 40 |
19,930 |
double area(double a,double b,double c,double d,double e);
int main()
{
double a,b,c,d,e;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
area(a,b,c,d,e);
return 0;
}
double area(double a,double b,double c,double d,double e){
double y,s;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*90/PI))<0){
printf("Invalid input");
}
else{
y=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/360)*cos(e*PI/360));
printf("%.4lf\n",y);;
}
return 0;
}
| 40 |
19,931 | int main()
{
double s,a,b,c,d,angle,S,x;
scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
s = (a+b+c+d)/2;
x=pow(cos(angle*3.1415926/360),2);
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*x);
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*x)<0)
{
printf("Invalid input");
}
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*x)>=0)
{
printf("%.4lf",S);
}
return 0;
} | 40 |
19,932 | int main(int argc, char* argv[])
{
double a,b,c,d,x,s,S,y,m;
double PI=3.1415926;
scanf("%lf %lf %lf %lf %lf", &a, &b, &c, &d, &x);
s=(a+b+c+d)/2;
y=(x * PI)/360;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y));
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y);
if(m<0)
printf("Invalid input");
else
printf("%.4lf\n",S);
return 0;
} | 40 |
19,933 | int main(){
double a,b,c,d,e,s,M,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
M=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360);
S = sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360));
if(M<0){
printf("Invalid input"); }
else {if (M>=0){
S = sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360));
printf("%.4lf\n",S);}}
return 0;
}
| 40 |
19,934 | int main(int argc, char* argv[])
{
double S,s,a,b,c,d,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
s = (double)1/2*(a+b+c+d);
S = (double)sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((m/360)*3.1415926)*cos((m/360)*3.1415926));
if ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((m/360)*3.1415926)*cos((m/360)*3.1415926)<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,935 | int main()
{
double a,b,c,d,e,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e*PI/180/2),2)>0){
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e*PI/180/2),2));
printf("%.4lf\n",S);
}
else{
printf("Invalid input\n");
}
return 0;
} | 40 |
19,936 |
int main(){
double a,b,c,d,e,S;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
if((((a+b+c+d)/2-a)*((a+b+c+d)/2-b)*((a+b+c+d)/2-c)*((a+b+c+d)/2-d) - a*b*c*d*cos(e/360*PI)*cos(e/360*PI))>=0){
S=sqrt(((a+b+c+d)/2-a)*((a+b+c+d)/2-b)*((a+b+c+d)/2-c)*((a+b+c+d)/2-d) - a*b*c*d*cos(e/360*PI)*cos(e/360*PI));
printf("%.4f",S);
}else{
printf("Invalid input");
}
return 0;
}
| 40 |
19,937 |
int main()
{
double a,b,c,d;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
double hh;
scanf("%lf",&hh);
double s;
s = (a+b+c+d)/2;
hh=hh/360*3.141592;
hh=cos(hh);
double S;
double SS=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*hh*hh;
if (SS<0)
{
printf("Invalid input");
return 0;
}
S = sqrt(SS);
printf ("%0.4lf",S);
return 0;
}
| 40 |
19,938 | void main ()
{
double rtrt(double a,double b,double c,double d,double angle);
double area,p,a,b,c,d,angle;
scanf ("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&angle);
p=rtrt(a,b,c,d,angle);
if (p<0)
printf("Invalid input");
else
{
area=sqrt(p);
printf("%.4lf",area);
}
}
double rtrt(double a,double b,double c,double d,double angle)
{
double pi=3.1415926;
double s,p;
s=(a+b+c+d)/2;
angle=(angle*pi)/360.0;
p=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
return p;
}
| 40 |
19,939 | int main()
{
double a,b,c,d,e,f,s,t,S;
double area(double);
scanf("%lf%lf%lf%lf%lf", &a,&b,&c,&d,&e);
f=e*PI/360;
s=(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f);
if(t<0)
printf("Invalid input");
else{
S=area(t);
printf("%.4lf", S);}
return 0;
}
double area(double t)
{
double S;
S = sqrt(t);
return S;
} | 40 |
19,940 | int main()
{
float a,b,c,d;
float e,S,s,g,m;
scanf("%f%f%f%f",&a,&b,&c,&d);
scanf("%f",&e);
g=(float)e/360*3.1415926;
s=(float)1.0/2*(a+b+c+d);
m=(float)(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(g)*cos(g);
if (m<0)
{
printf("Invalid input");
}
else
{S=(float)sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(g)*cos(g));
printf("%.4f",S);}
return 0;
} | 40 |
19,941 |
int main(int argc, char* argv[])
{
float a,b,c,d;
double S,s,o,m;
#define PI 3.1415927
scanf("%f%f%f%f%lf",&a,&b,&c,&d,&o);
s = (a+b+c+d)/2;
m=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o/2*PI/180)*cos(o/2*PI/180);
if(m<0)
{
printf("Invalid input\n");
}
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o/2*PI/180)*cos(o/2*PI/180));
printf("%.4lf\n",S);
}
return 0;
}
| 40 |
19,942 | int main()
{
double a,b,c,d,x,s,y,S;
scanf("%lf\n",&a);
scanf("%lf\n",&b);
scanf("%lf\n",&c);
scanf("%lf\n",&d);
scanf("%lf\n",&x);
s=(a+b+c+d)/2;
y=(x/360)*PI;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(y),2)>=0){
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(y),2));
printf("%.4lf",S);
}
else{
printf("Invalid input");
}
return 0;
} | 40 |
19,943 | double s,a,b,c,d,angle;
int main()
{
double area(double x,double y,double z,double w,double foot);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&angle);
if(area(a,b,c,d,angle)>=0)printf("%.4lf",area(a,b,c,d,angle));
else printf("Invalid input");
}
double area(double x,double y,double z,double w,double foot)
{
double AREA,s,num,PI=3.1415926;
s=(x+y+z+w)/2;
num=(s-x)*(s-y)*(s-z)*(s-w)-x*y*z*w*cos(foot/360*PI)*cos(foot/360*PI);
if(num>=0)return(sqrt(num));
else return(-1);
} | 40 |
19,944 | int main()
{
double a,b,c,d,e,f,s;
double squar;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(double)(a+b+c+d)/2;
f=(double)e/360*PI;
squar=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(f),2));
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e),2))>=0)
{
printf("%.4lf\n",squar);
}
else
{
printf("Invalid input");
}
return 0;
} | 40 |
19,945 | int main(int argc, char* argv[])
{
double a,b,c,d,e,s,m;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(3.1415926*e/360)*cos(3.1415926*e/360);
;
if(m>=0){
printf("%.4lf",sqrt(m));
}
else {
printf("Invalid input");
}
return 0;
} | 40 |
19,946 | int main()
{
double a,b,c,d,e,s,x,y,z,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
x=e/180*3.1415926;
y=pow(cos(x/2) ,2);
s=(a+b+c+d)/2;
z=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*y;
S=sqrt(z);
if(z<0){
printf("Invalid input");
}else {
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,947 | int main () {
double a, b, c, d, jiaodu, hudu, PI=3.1415926, mianji, s;
scanf( "%lf %lf %lf %lf %lf", &a, &b, &c, &d, &jiaodu);
hudu = jiaodu/180*PI;
s =(a+b+c+d)/2;
mianji= sqrt( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(hudu/2)*cos(hudu/2) );
if ( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(hudu) < 0 ) {
printf("Invalid input");}
else {printf("%.4lf", mianji);}
return 0 ;
} | 40 |
19,948 |
float sss(float a,float b,float c,float d,float alpha)
{
float s=(a+b+c+d)/2;
return (float)sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alpha/180*3.1415926/2)*cos(alpha/180*3.1415926/2));
}
int main()
{
float a,b,c,d,alpha;
scanf("%f %f %f %f %f",&a,&b,&c,&d,&alpha);
float result;
result=sss(a,b,c,d,alpha);
if(result>0) printf("%.4f\n",result);
else printf("Invalid input\n");
return 0;
} | 40 |
19,949 | int main(int argc, char* argv[])
{
double pai=3.1415926;
double a,b,c,d,A,s=0,h;
double S;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
scanf("%lf",&A);
h=A/180*pai;
s =(a+b+c+d)*0.5;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(h/2)*cos(h/2)>=0)
{
S= sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(h/2)*cos(h/2));
printf("%.4lf",S);
}
else
printf("Invalid input");
return 0;
} | 40 |
19,950 | void main()
{
void S(double a,double b,double c,double d,double jiao);
double a,b,c,d,jiao;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&jiao);
S(a,b,c,d,jiao);
}
void S(double a,double b,double c,double d,double jiao)
{ double PI,s,m;
s = (a+b+c+d)/2;
PI = 3.1415926;
jiao=PI*jiao/360;
m=cos(jiao);
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*m*m)<0)
{
printf("Invalid input");
}
else
{
s=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*m*m);
printf("%.4lf",s);
}
}
| 40 |
19,951 | //??????????????a?b?c?d????????2?,??????
//S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos2?);
//??s = (a+b+c+d)/2;
//?????????????????????????????????????????
//?????
//??????????????????????????
//???????0?360????????????????????????
//????4????
//???????????????????Invalid input????
//??
//cos()??????????, PI = 3.1415926?????double???
main()
{
double a,b,c,d,alfa1,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alfa1);
double alfa2=(alfa1/2)*(PI)/180;
s=(a+b+c+d)/2;
double delta= (s-a)*(s-b)*(s-c)*(s-d);
if(delta<0||a<0||b<0||c<0||d<0||alfa1<=0||alfa1>=360)printf("Invalid input\n");
else
{
double S=delta-a*b*c*d*cos(alfa2)*cos(alfa2);
if (S<=0)printf("Invalid input\n");
else printf("%.4lf",sqrt(S));
}
}
| 40 |
19,952 | int main()
{
double a,b,c,d;
double m,s,l;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
m=m/360*3.1415926;
m=cos(m);
l=1.0/2*(a+b+c+d);
s=sqrt((l-a)*(l-b)*(l-c)*(l-d)-a*b*c*d*m*m);
if((l-a)*(l-b)*(l-c)*(l-d)-a*b*c*d*m*m>0)
{
printf("%.4lf\n",s);
}
else
if((l-a)*(l-b)*(l-c)*(l-d)-a*b*c*d*m*m<0)
printf("Invalid input\n");
return 0;
}
| 40 |
19,953 | int main(){
double a,b,c,d,x,S,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
if((s-a)<0||(s-b)<0||(s-c)<0||(s-d)<0)
printf("Invalid input");
else{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x*PI/360)*cos(x*PI/360));
printf("%.4lf",S);
}
return 0;
} | 40 |
19,954 | double S(double a, double b, double c, double d, double hudu)
{
double s=(a+b+c+d)/2;
double S2=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(hudu)*cos(hudu);
if(S2<0){
return 1;
}else{
return sqrt(S2);
}
}
int main()
{
double a,b,c,d,e;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
double hudu=e/360*PI;
if(S(a,b,c,d,hudu)==1){
printf("Invalid input");
}else{
printf("%.4lf",S(a,b,c,d,hudu));
}
return 0;
} | 40 |
19,955 | int main()
{
double a,b,c,d,s,S,e;
double m,n;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&m);
n = 3.1415926*m/360;
s = (a+b+c+d)/2;
e = ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(n)*cos(n));
if (e>=0)
{
S = sqrt(e);
printf("%.4lf",S);
}
else{
printf("Invalid input");
}
return 0;
} | 40 |
19,956 | int main()
{
double sq(double w,double x,double y,double z,double v);
double b,c,d,e,a,s;
scanf("%lf%lf%lf%lf%lf",&b,&c,&d,&e,&a);
printf("\n");
s=sq(b,c,d,e,a);
if(s>0)
printf("%.4lf",s);
else
printf("Invalid input\n");
}
double sq(double w,double x,double y,double z,double v)
{
double u,q,r,t;
q=(v/(double)(360))*3.1415926;
r=cos(q);
t=(w+x+y+z)/2;
if(((t-w)*(t-x)*(t-y)*(t-z)-w*x*y*z*r*r)>0)
u=sqrt((t-w)*(t-x)*(t-y)*(t-z)-w*x*y*z*r*r);
else
u=0;
return(u);
}
| 40 |
19,957 | main()
{ float a,b,c,d,oo,S;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&oo);
float s=(a+b+c+d)/2;
float o=(oo*3.1415926)/(2*180);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(o))*(cos(o))<0)
printf("Invalid input");
else
{S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(o))*(cos(o)));
printf("%.4f",S);
}
} | 40 |
19,958 | double area(double a,double b,double c,double d,double e)
{
double s,q,S;
s=(a+b+c+d)/(2.0);
q=cos(e*(3.1415926)/(180.0)/(2.0));
return sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*q*q);
}
int main()
{
double n1,n2,n3,n4,m;
scanf("%lf%lf%lf%lf%lf",&n1,&n2,&n3,&n4,&m);
if(area(n1,n2,n3,n4,m)>=0)
{
printf("%.4lf",area(n1,n2,n3,n4,m));
}
else printf("Invalid input");
return 0;
}
| 40 |
19,959 | void main()
{
double a[5],o,s,S;
int i;
for (i=1;i<=4;i++) scanf("%lf",&a[i]);
scanf("%lf",&o);
o=o/2;
o=o/360*2*3.1415926;
s=(a[1]+a[2]+a[3]+a[4])/2;
S=(s-a[1])*(s-a[2])*(s-a[3])*(s-a[4])-a[1]*a[2]*a[3]*a[4]*cos(o)*cos(o);
if (S<0) printf("%s","Invalid input");
else
{
S=sqrt(S);
printf("%.4lf",S);
}
}
| 40 |
19,960 | int main()
{
float PI=3.1415926;
float a,b,c,d,y;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&y);
double x=y/2.0;
double s=(a+b+c+d)/2;
double ss=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x*PI/180)*cos(x*PI/180);
if(ss<0)
{
printf("Invalid input\n");
}
else
{
double mianji=sqrt(ss);
printf("%.4f\n",mianji);
}
return 1;
}
| 40 |
19,961 | int main(int argc, char* argv[])
{
double a,b,c,d,s,S;
double x;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x*3.1415926/2/180)*cos(x*3.1415926/2/180);
if(S<0){
printf("Invalid input\n");
}
else{
printf("%.4lf\n",sqrt(S));
}
return 0;
} | 40 |
19,962 | double a[4],S,j,k=0;
int i;
const double Pi=3.1415926;
int main(void)
{
for (i=0;i<4;i++)
{
scanf("%lf",&a[i]);
k=k+a[i]/2;
printf("\n");
}
scanf("%lf",&j);
S=((k-a[0])*(k-a[1])*(k-a[2])*(k-a[3]) - a[0]*a[1]*a[2]*a[3]*cos(j/360*Pi)*cos(j/360*Pi));
if (S>=0)
printf("%.4f",sqrt(S));
else
printf("Invalid input");
return 0;
}
| 40 |
19,963 |
int main(){
double a, b, c ,d , s ;
double S=0;
double f;
f>0&&f<360;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&f);
s = (a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f*PI/360)*cos(f*PI/360));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f*PI/180)*cos(f*PI/180))>0)
{printf("%.4lf\n",S) ;}
else{printf("Invalid input\n");}
return 0;
}
| 40 |
19,964 | int main(){
double a,b,c,d,s,S,x,p;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
s=(a+b+c+d)/2;
scanf("%lf",&x);
x=x/360*3.1415926;
p=(s-a)*(s-b)*(s-c)*(s-d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x)*cos(x));
if(p<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
} | 40 |
19,965 |
int main()
{
double a,b,c,d,e,f,g,s;
f=0,s=0,g=0;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
if(e>0&&e<360)
{
e=(e/360)*2*(PI);
s=(a+b+c+d)/2;
g=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2)*cos(e/2);
f=sqrt(g);
}
if(g<0)
{
printf("Invalid input\n");
}
else
{
printf("%.4f\n",f);
}
return 0;
} | 40 |
19,966 | double S(double x,double y,double z,double k,double l);
int main()
{
double a,b,c,d,e,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((PI*e)/360)*cos((PI*e)/360))>0)
{
printf("%.4lf",S(a,b,c,d,e));
}else
{
printf("Invalid input");
}
return 0;
}
double S(double x,double y,double z,double k,double l)
{
double c,s;
s = (x+y+z+k)/2;
c = sqrt((s-x)*(s-y)*(s-z)*(s-k) - x*y*z*k*cos((PI*l)/360)*cos((PI*l)/360));
return(c);
}
| 40 |
19,967 | int main()
{double a,b,c,d,e,s,l,k;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
k=e/180*3.1415926;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k/2)*cos(k/2)<0)
printf("Invalid input");
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k/2)*cos(k/2)>0)
{l = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k/2)*cos(k/2));
printf("%.4lf",l);}
return 0;
} | 40 |
19,968 | int main()
{
double a,b,c,d,s,S,ang;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&ang);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(ang/360*PI)*cos(ang/360*PI)<0)
printf("Invalid input");
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(ang/360*PI)*cos(ang/360*PI));
printf("%.4lf",S);
return 0;
}
}
| 40 |
19,969 |
int main()
{
double a=0,b=0,c=0,d=0,e=0,f=0,s=0,S=0,q=0;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
s=0.5*(a+b+c+d);
f=PI*e/180;
q=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(0.5*f),2);
if(q>=0)
{
S=sqrt(q);
printf("%.4lf",S);
}
else
printf("Invalid input");
return 0;
}
| 40 |
19,970 | int main()
{
double PI,a,b,c,d,s,S,p,o;
PI=3.1415926;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&p);
s=(a+b+c+d)/2;
o=p/360*2*PI/2;
double x=(s-a)*(s-b)*(s-c)*(s-d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(o)*cos(o));
if(x<0)
{printf("Invalid input");
}
else
{printf("%.4lf",S);}
return 0;
} | 40 |
19,971 | main()
{
double a,b,c,d;
double S,s;
double q,y,w;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
s=(a+b+c+d)/2;
w=(double)q*PI/180;
y=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((double)(w/2))*cos((double)(w/2));
if(y<0)
printf("Invalid input\n");
else
{S = sqrt(y);
printf("%.4f\n",S);}
}
| 40 |
19,972 | int main()
{
double a,b,c,d,e,z,s,S,L;
double cos(double x);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
z=e*PI/360;
s=(a+b+c+d)/2;
L=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(z)*cos(z);
if(L<0)
{
printf("Invalid input\n");
}
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(z)*cos(z));
printf("%.4f\n",S);
}
}
| 40 |
19,973 |
double mianji(double a,double b,double c,double d,double s,double ww)
{
double www;
double PI=3.1415926;
www= (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ww*PI/360)*cos(ww*PI/360);
if(www<0)
{
return(-1);}
else
return(sqrt(www));
}
main()
{
double a,b,c,d;
scanf("%lf %lf %lf %lf",&a,&b,&c,&d);
double s=(a+b+c+d)/2;
double ww;
scanf("%lf",&ww);
ww=ww;
double ss=-1;
ss=mianji(a,b,c,d,s,ww);
if(ss>=0)
printf("%.4lf",ss);
else
printf("Invalid input");
}
| 40 |
19,974 | int main()
{
double S,s,a,b,c,d,e;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360)<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926)));
}
return 0;
}
| 40 |
19,975 | int main(int argc, char* argv[])
{
float a,b,c,d;
float alf;
double halfa;
float s;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&alf);
s=(a+b+c+d)/2;
halfa=p*alf/360;
double S;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(halfa),2)>=0){
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(halfa),2));
printf("%.4f",S);
}
else
printf("Invalid input");
return 0;
}
| 40 |
19,976 | int main()
{
double a=0,b=0,c=0,d=0,q=0,s=0,e=0,t=0;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
s=(a+b+c+d)/2;
t=q/2/180*PI;
e=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t)*cos(t);
if (e>=0){
s = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t)*cos(t));
printf("%.4lf",s) ;
}
else printf("Invalid input");
return 0;
} | 40 |
19,977 | int main()
{
int i;
double a[5],s,S,e;
for(i=0;i<5;i++){
scanf("%lf",&a[i]);}
s=(a[1]+a[2]+a[3]+a[0])/2;
e=((s-a[1])*(s-a[2])*(s-a[3])*(s-a[0])-a[1]*a[2]*a[3]*a[0]*cos(a[4]/2*3.1415926/180)*cos(a[4]/2*3.1415926/180));
if(e<0){
printf("Invalid input");}
else{
S=sqrt(e);
printf("%.4lf",S);}
return 0;
}
| 40 |
19,978 | double f(double a,double b,double c,double d,double A)
{double s,S,M;
s=(a+b+c+d)/2;
M=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(A*3.1415926/360)*cos(A*3.1415926/360);
if(M<0) S=-1;
else S=sqrt(M);
return(S);
}
void main()
{
double f(double a,double b,double c,double d,double A);
double a,b,c,d,A,x;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&A);
x=f(a,b,c,d,A);
if(x<0) printf("Invalid input");
else printf("%.4lf",x);
} | 40 |
19,979 | void jisuan(double a,double b,double c,double d,double hudu)
{
double s,h,mianji;
s=(a+b+c+d)/2;
h=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(hudu)*cos(hudu);
if(h<0)
printf("Invalid input");
else
{mianji=sqrt(h);
printf("%.4lf",mianji);}}
void main()
{
double a,b,c,d,jiaodu,s,hudu;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&jiaodu);
hudu=jiaodu/2*3.1415926/180;
jisuan(a,b,c,d,hudu);
}
| 40 |
19,980 | int main()
{
double a,b,c,d,alf2,mj;
double Squ(double a1,double b1,double c1,double d1,double alf21);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&alf2);
mj=Squ(a,b,c,d,alf2);
if(mj<0)
printf("Invalid input\n");
else
printf("%.4lf\n",mj);
return 0;
}
double Squ(double a1,double b1,double c1,double d1,double alf21)
{
double s,S,alf;
s=(a1+b1+c1+d1)/2;
alf=alf21/360*3.1415926;
if(((s-a1)*(s-b1)*(s-c1)*(s-d1) - a1*b1*c1*d1*pow(cos(alf),2))>=0)
{
S=sqrt((s-a1)*(s-b1)*(s-c1)*(s-d1) - a1*b1*c1*d1*pow(cos(alf),2));
}
else
S=-1;
return S;
}
| 40 |
19,981 |
int main()
{
double a,b,c,d,e,s;
double S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s = 0.5*(a+b+c+d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((e/2)/180.00*3.1415926)*cos((e/2)/180.00*3.1415926));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((e/2)/180.00*3.1415926)*cos((e/2)/180.00*3.1415926)>0)
printf("%.4lf\n",S);
else if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((e/2)/180.00*3.1415926)*cos((e/2)/180.00*3.1415926)<=0)
printf("Invalid input\n");
return 0;
}
| 40 |
19,982 | double getArea(double);
double getcos(double);
int main()
{
double a,b,c,d,i,j;
double S,s;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&i);
s=(a+b+c+d)/2;
j=i*PI/360;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(i)*cos(j)>0)
{
printf("%.4lf\n",S);
}
else
{
printf("Invalid input");
}
return 0;
} | 40 |
19,983 | void main()
{
double S(double ,double ,double ,double ,double );
double a,b,c,d,sq,angle;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
sq=S(a,b,c,d,angle);
if(sq==0) printf("Invalid input");
else
printf("%.4f",sq);
}
double S(double a,double b,double c,double d,double angle)
{
double s,S,x,y;
s=(a+b+c+d)/2;
x=cos(angle/360*3.1415926);
y=x*x;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*y)<0) return(0);
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*y);
return(S);
}
} | 40 |
19,984 | int main()
{
double a,b,c,d,e,f,S,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*PI/360)*cos(e*PI/360);
if(f>=0)
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*PI/360)*cos(e*PI/360));
printf("%.4lf\n",S);
}
else
printf("Invalid input");
return 0;
}
| 40 |
19,985 | int main()
{
double a,b,c,d,e,s,S,f,D;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=e*3.1415926/(2*180);
D=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f);
if(D>=0)
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f));
printf("%.4lf",S);
}
if(D<0)
{
printf("Invalid input");
}
return 0;
}
| 40 |
19,986 |
int main()
{
double a,b,c,d;
double sum,hudu;
double s;
double pi=3.1415926;
double m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&sum);
m=1.0/2*(a+b+c+d);
hudu=sum*pi/180;
if ((m-a)*(m-b)*(m-c)*(m-d) - a*b*c*d*cos(hudu/2)*cos(hudu/2)<0)
{
printf("Invalid input");
return 0;
}
else
{
s = sqrt((m-a)*(m-b)*(m-c)*(m-d) - a*b*c*d*cos(hudu/2)*cos(hudu/2));
}
printf("%.4lf\n",s);
return 0;
} | 40 |
19,987 |
double mianji(double a,double b,double c,double d,double O)
{
double S,s;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(O)*cos(O)>=0)
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(O)*cos(O));
else
S=-1;
return S;
}
main()
{
double a,b,c,d,o,O;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&o);
O=2*PI*(o/2)/360;
if(mianji(a,b,c,d,O)==-1)
printf("Invalid input\n");
else
printf("%.4lf\n",mianji(a,b,c,d,O));
} | 40 |
19,988 | int main ()
{
double pi=3.1415926,f,s=0,a[4],sum;
int i;
for(i=0;i<4;i++)
scanf("%lf",&a[i]);
scanf("%lf",&f);
f=pi/360*f;
for(i=0;i<4;i++)
s=s+(a[i])/2;
sum=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*cos(f)*cos(f);
if(sum<0) printf("Invalid input");
else
{
sum=sqrt(sum);
printf("%.4f",sum);
}
} | 40 |
19,989 | double a,b,c,d,o;
double s(double a,double b,double c,double d,double o)
{
double y,z,w;
y=o*PI/360;
z=(a+b+c+d)/2;
w=(z-a)*(z-b)*(z-c)*(z-d)-a*b*c*d*cos(y)*cos(y);
if(w<0) return(-1);
else return (double)sqrt(w);
}
void main()
{
double t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&o);
t=s(a,b,c,d,o);
if(t==-1) printf("Invalid input");
else printf("%.4lf",t);
}
| 40 |
19,990 | void main()
{
double a,b,c,d,m,s,S,t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
m=m/360*pi;
s=(a+b+c+d)/2;
t=cos(m)*cos(m);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*t<0)
printf("Invalid input\n");
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*t);
printf("%.4lf\n",S);
}
}
| 40 |
19,991 | int main()
{
double a,b,c,d;
double s,q,A,B,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
A=(double)q/2;
B=(double)A/180*PI;
s=(double)(a+b+c+d)/2;
S=(double)sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(B)*cos(B));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(B)*cos(B)<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
} | 40 |
19,992 | double f(double a, double b, double c, double d, double e)
{
double s, S;
s=(a+b+c+d)/2;
e=e/180*3.1415926;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2)*cos(e/2);
return S;
}
void main()
{
double nun;
double a,b,c,d,e;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
if(f(a,b,c,d,e)<0)
{
printf("Invalid input");
}
else
{
nun=sqrt(f(a,b,c,d,e));
printf("%.4lf",nun);
}
} | 40 |
19,993 | int main()
{
double a,b,c,d,x,s,S;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&x);
x=3.1415926*x/180/2;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)<0)
printf("Invalid input");
else
printf("%.4lf",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)));
return 0;
}
| 40 |
19,994 | main()
{
double s,a,b,c,d,alpha;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&alpha);
s=(a+b+c+d)/2;
alpha=alpha*3.1415926/180;
alpha=alpha/2;
if((s-a)*(s-b)*(s-c)*(s-d)<a*b*c*d*cos(alpha)*cos(alpha)){printf("Invalid input\n");}
else printf("%.4lf\n",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(alpha)*cos(alpha)));
} | 40 |
19,995 | main()
{
double a[4],j,s,S;
int i=0;
for(i=0;i<4;i++)
{
scanf("%lf",&a[i]);
}
scanf("%lf",&j);
j=(j/180)*3.1415926/2;
s=(a[0]+a[1]+a[2]+a[3])/2;
if((s-a[0])*(s-a[1])*(s-a[2])*(s-a[3]) - a[0]*a[1]*a[2]*a[3]*cos(j)*cos(j)>=0)
{
S = sqrt((s-a[0])*(s-a[1])*(s-a[2])*(s-a[3]) - a[0]*a[1]*a[2]*a[3]*cos(j)*cos(j));
printf("%.4lf\n",S);
}
else printf("Invalid input");
}
| 40 |
19,996 | int main()
{
double s,a,b,c,d,k,m;
cin>>a>>b>>c>>d>>k;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow((cos(3.1415926*k/360)),2)<0)
cout<<"Invalid input";
else{
m = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow((cos(3.1415926*k/360)),2));
printf("%.4f",m);
}
return 0;
}
| 40 |
19,997 | int main()
{
double a,b,c,d,e,A,s,S;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
scanf("%lf",&A);
A=A/2/180*PI;
e=cos(A);
s = (a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*e*e<0)
printf("Invalid input\n");
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*e*e);
printf("%.4f",S);
}
return 0;
} | 40 |
19,998 | int main()
{
float a,b,c,d,k,s;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&k);
s=1.000/2.000*(a+b+c+d);
if ((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k/360.0*3.1415926)*cos(k/360.0*3.1415926)<0)
{
printf("Invalid input");
}
else
{
printf("%.4f",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k/360.0*3.1415926)*cos(k/360.0*3.1415926)));
}
return 0;
}
| 40 |
19,999 | int main()
{
float a,b,c,d,e,f,g,s,S;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=(float)(e*(PI/180));
g=(float)(cos(f/2));
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*g*g);
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*g*g)>=0)
printf("%.4f",S);
else
printf("Invalid input");
return 0;
}
| 40 |
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