id
int32 0
32.5k
| code
stringlengths 95
8.4k
| label
stringclasses 65
values |
|---|---|---|
19,600 | double areo(double a,double b,double c,double d,double w)
{double s=0.5*(a+b+c+d);
s=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(w)*cos(w);
if(s<0)
return 0;
else
return sqrt(s);
}
main()
{
double a,b,c,d,s,w,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&w);
w=3.1415926*w/180/2;
s=0.5*(a+b+c+d);
if(areo(a,b,c,d,w)==0)
printf("Invalid input");
else
printf("%.4lf",areo(a,b,c,d,w));
} | 40 |
19,601 |
const double pri=3.1415926;
double mianji(double a,double b,double c,double d,double x)
{
double s,t;
s=1.0/2*(a+b+c+d);
x=x/360*pri;
t=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x));
if (t<0) return 0;
else return sqrt(t);
}
void main()
{
double x,y,u,v,w;
scanf("%lf%lf%lf%lf%lf",&x,&y,&u,&v,&w);
if (mianji(x,y,u,v,w))
printf("%.4lf",mianji(x,y,u,v,w));
else printf("Invalid input");
}
| 40 |
19,602 |
int main ()
{
double a,b,c,d,e,s,S,y;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
S = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e/360* 3.1415926)*cos(e/360*3.1415926);
y=sqrt(S);
if (S>=0) {printf("%.4lf",y);
}else if (S<0) {printf("Invalid input");
}
return 0;
}
| 40 |
19,603 | double cal(double a,double b,double c,double d,double ang);
int main()
{
double a,b,c,d,ang;
double x,area;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&ang);
ang/=2 ;
ang = ang * PI /180;
x=cal(a,b,c,d,ang);
if(x<=0){
printf("Invalid input");
}else{
area=sqrt(x);
printf("%.4lf",area);
}
return 0;
}
double cal(double a,double b,double c,double d,double ang)
{
double ans,s;
s=(a+b+c+d)/2;
ans=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ang)*cos(ang);
return ans;
}
| 40 |
19,604 |
double S(double,double,double,double,double);
int main()
{
double a,b,c,d,jiaodu,pingjun,hudu,mianji,genhaonei,PI=3.1415926;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jiaodu);
hudu=jiaodu*2*PI/360/2;
pingjun=(a+b+c+d)/2;
S(a,b,c,d,hudu);
return 0;
}
double S(double a,double b,double c,double d,double hudu)
{ double pingjun,mianji,genhaonei;
pingjun=(a+b+c+d)/2;
genhaonei=(pingjun-a)*(pingjun-b)*(pingjun-c)*(pingjun-d) - a*b*c*d*cos(hudu)*cos(hudu);
if(genhaonei<0)
{printf("Invalid input");}
else
{mianji=sqrt(genhaonei);
printf("%.4lf",mianji);}
return 0;
}
| 40 |
19,605 |
void main()
{
double area(double a,double b,double c,double d,double m);
double S,s,a,b,c,d,m;
void print();
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&m);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)<a*b*c*d*cos(m*PI/360)*cos(m*PI/360))
print();
else
{
S=area(a,b,c,d,m);
printf("%.4lf",S);
}
}
void print()
{
printf("Invalid input");
}
double area(double a,double b,double c,double d,double m)
{
double S,s;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(m*PI/360)*cos(m*PI/360));
return(S);
} | 40 |
19,606 |
double getarea(double a,double B,double c,double d,double e);
int main()
{
double a,B,c,d,e,f;
scanf("%lf",&a);
scanf("%lf",&B);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
f=getarea(a,B,c,d,e);
if(f==-1)
{
printf("Invalid input");
}
else
{
printf("%.4f",f);
}
return 0;
}
double getarea(double a,double B,double c,double d,double e)
{
double area,s;
s=(a+B+c+d)/2;
if((s-a)*(s-B)*(s-c)*(s-d) - a*B*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926)>=0)
area= sqrt((s-a)*(s-B)*(s-c)*(s-d) -a*B*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926));
else
area=-1;
return area;
}
| 40 |
19,607 |
int main(){
double c,d,e,f,g,h,i,s;
scanf("%lf%lf%lf%lf%lf",&c,&d,&e,&f,&g);
i = (g/360)*PI;
s = (c+d+e+f)/2.0;
h = (s-f)*(s-e)*(s-c)*(s-d) - e*f*c*d*(cos(i))*(cos(i)); //?????????
if(h<0){
printf("Invalid input\n");
}
else{
double a, x2, x1;
a = h;
x1 = 1;
x2 = (x1+a/x1)/2.0;
while(x2-x1 > JINGDU || x1-x2 > JINGDU){
x1 = x2;
x2 = (x1+a/x1)/2.0;
}
printf("%.4f\n",x2);
}
return 0;
}
| 40 |
19,608 | int main()
{
double a,b,c,d,S,alpha,m,n;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alpha);
double s(double a,double b,double c,double d),t(double a,double b,double c,double d),r(double a,double b,double c,double d,double alpha);
m=t(a,b,c,d);
n=r(a,b,c,d,alpha);
if(m<0)
{
printf("Invalid input");
}
else
{
S=sqrt(m-n);
printf("%.4lf",S);
}
return 0;
}
double s(double a,double b,double c,double d)
{
double w,z;
w=(a+b+c+d);
z=w/2;
return(z);
}
double t(double a,double b,double c,double d)
{
double x,h,i,j,k,l;
x=s(a,b,c,d);
h=x-a;
i=x-b;
j=x-c;
k=x-d;
l=h*i*j*k;
return(l);
}
double r(double a,double b,double c,double d,double alpha)
{
double p,q,y;
p=alpha/720;
q=p*2*PI;
y=a*b*c*d*cos(q)*cos(q);
return(y);
} | 40 |
19,609 | double getarea(double a,double b,double c,double d,double e,double jiaodu);
int main ()
{
double k,l,m,n,s,jiao;
double area,zanshi;
scanf("%lf%lf%lf%lf%lf",&k,&l,&m,&n,&jiao);
s=(k+l+m+n)/2;
jiao=jiao/360*PI;
jiao=cos(jiao);
zanshi=getarea(k,l,m,n,s,jiao);
if(zanshi<0){
printf("Invalid input");
}
else{
area=sqrt(zanshi);
printf("%.4lf",area);
}
return 0;
}
double getarea(double a,double b,double c,double d,double e,double jiaodu)
{
double zanshimianji;
zanshimianji=(double)((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*jiaodu*jiaodu);
return zanshimianji;
}
| 40 |
19,610 | double area(double a,double b,double c,double d,double angle)
{double s,sum;
s=(a+b+c+d)/2;
sum=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(3.1415926*angle/360)*cos(3.1415926*angle/360));
return sum;
}
int main(int argc, char* argv[])
{double a,b,c,d,angle,k;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
k=area(a,b,c,d,angle);
if(k>=0)
printf("%.4lf\n",k);
else
printf("Invalid input");
return 0;
}
| 40 |
19,611 |
int main(){
double A,B,C,D,E;
double f(double a,double b,double c,double d,double e);
scanf("%lf%lf%lf%lf%lf",&A,&B,&C,&D,&E);
double SS;
SS=f(A,B,C,D,E);
if(SS!=0){
printf("%.4lf",SS);
}
return 0;
}
double f(double a,double b,double c,double d,double e){
double S,s;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*p/360)*cos(e*p/360)<0){
printf("Invalid input");
return 0;
}
else{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*p/360)*cos(e*p/360));
return S;
}
} | 40 |
19,612 | int main()
{
float a,b,c,d,aef,bt;
float S,s,m,x;
scanf("%f\n",&a);
scanf("%f\n",&b);
scanf("%f\n",&c);
scanf("%f\n",&d);
scanf("%f\n",&aef);
s=(a+b+c+d)/2;
bt=aef/180*3.1415926/2;
m= (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(bt)*cos(bt);
if(m>0)
{
S=sqrt(m);
printf("%.4f",S);
}
else printf("Invalid input");
scanf("%f",&x);
return 0;
}
| 40 |
19,613 | double area(double a,double b,double c,double d,double jiaodu){
double s,delta,area,t;
t=PI*jiaodu/360.0;
s=(a+b+c+d)/2;
delta=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(t)*cos(t);
if(delta<0){
return -1;
}
if(delta>=0){
area=sqrt(delta);
return area;
}
}
int main()
{
double a,b,c,d,jiaodu;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jiaodu);
if(area(a,b,c,d,jiaodu)==-1){
printf("Invalid input\n");
}else{
printf("%.4lf\n",area(a,b,c,d,jiaodu));
}
return 0;
} | 40 |
19,614 | int main()
{
double a,b,c,d,e;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
double s,f,S;
s=(a+b+c+d)/2.0;
f=cos(e/2/180.0*3.1415926)*cos(e/2/180.0*3.1415926);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f>0)
printf("%.4lf",S);
else printf("Invalid input");
return 0;
} | 40 |
19,615 |
int main(int argc, char* argv[])
{
double a,b,c,d,ang,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&ang);
double rad=ang/2/180*3.1415926;
double s=(a+b+c+d)/2;
double gen=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(rad)*cos(rad);
if(gen<0)
{
printf("Invalid input");
}
else
{
S=sqrt(gen);
printf("%.4f",S);
}
return 0;
} | 40 |
19,616 | int main()
{
double a,b,c,d,S;
double n,m;
double square(double a,double b,double c,double d,double n);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
n=cos((m*3.1415926)/360);
S=square(a,b,c,d,n);
if (S>=0)
printf("%.4lf\n",S);
else printf("Invalid input\n");
return 0;
}
double square (double a,double b,double c,double d,double n){
double s,S;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*n*n);
return (S);
}
| 40 |
19,617 | int main(){
double a,b,c,d,s,k,n;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&n);
n=n/360*2*PI;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(n/2)*cos(n/2)<0){
printf("Invalid input");
return 0;
}
k=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(n/2)*cos(n/2));
printf("%.4lf",k);
return 0;
}
| 40 |
19,618 |
int main()
{
float a,b,c,d,f,s;
double e,S;
scanf("%f",&a);printf("\n");
scanf("%f",&b);printf("\n");
scanf("%f",&c);printf("\n");
scanf("%f",&d);printf("\n");
scanf("%f",&f);printf("\n");
e=f*PI/180;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2)*cos(e/2));
if ((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2)*cos(e/2)<0)
printf("Invalid input\n");
else
printf("%.4lf\n",S);
return 0;
} | 40 |
19,619 | int main()
{
double a,b,c,d,x;
double S(double a,double b,double c,double d,double x);
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
if(S(a,b,c,d,x)>=0)
printf("%5.4lf",S(a,b,c,d,x));
else
printf("Invalid input");
return 0;
}
double S(double A,double B,double C,double D,double X)
{
double s,y,z;
s=(A+B+C+D)/2;
y=X*P/360;
if((s-A)*(s-B)*(s-C)*(s-D)-A*B*C*D*cos(y)*cos(y)<0)
z=-1.0;
else
z=sqrt((s-A)*(s-B)*(s-C)*(s-D)-A*B*C*D*cos(y)*cos(y));
return z;
} | 40 |
19,620 | float area(float a,float b,float c,float d,float angle){
float s,e;
s=(a+b+c+d)/2;
e=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle/2/180*3.1415926)*cos(angle/2/180*3.1415926);
if(e<0){
return -1;
}
else{
return sqrt(e);
}
}
int main(){
float a,b,c,d,angle;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&angle);
if(area(a,b,c,d,angle)==-1){
printf("Invalid input");
}else{
printf("%.4f",area(a,b,c,d,angle));
}
return 0;
} | 40 |
19,621 | /*double q(double a,b,c,d,w)
{
w=3.1415926*w/180/2;
doubles=0.5*(a+b+c+d);
s=(s-a)* (s-b)* (s-c)* (s-d)-a*b*c*d*cos(w)*cos(w);
return s
}*/
int main()
{
double a,b,c,d,w,s;
//double q(double a,b,c,d,w,s);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&w);
w=3.1415926*w/180/2;
s=0.5*(a+b+c+d);
s=(s-a)* (s-b)* (s-c)* (s-d)-a*b*c*d*cos(w)*cos(w);
//s=q (a,b,c,d);
if(s<0)
{printf( "Invalid input");}
else
{printf( "%0.4lf",sqrt(s));}
return 0;
getchar();
getchar();
getchar();
} | 40 |
19,622 |
void area(double a,double b,double c,double d,double r);
int main()
{
double a[5],S;
int i;
for(i=0;i<5;i++)
{
scanf("%lf",&a[i]);
}
area(a[0],a[1],a[2],a[3],a[4]);
return 0;
}
void area(double a,double b,double c,double d,double r)
{
double s,t,S;
s=(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(r*PI/360)*cos(r*PI/360);
if(t>=0)
{
S=sqrt(t);
printf("%.4lf\n",S);
}
else
{
printf("Invalid input\n");
}
}
| 40 |
19,623 | int main()
{
double a,b,c,d,s,S,k,e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&k);
k=k/2;
k=k/180*PI;
s=(a+b+c+d)/2;
e=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k)*cos(k);
if(e<0)
printf("Invalid input");
else
{S = sqrt(e);
printf("%.4f",S);
}
return 0;
} | 40 |
19,624 | main (){
double a,b,c,d,A,B,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&A);
B=((A/2)/360)*2*pi;
s = (double)1/2*(a+b+c+d);
if ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(B)*cos(B)>=0)
{S = (double)sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(B)*cos(B));
printf("%.4f",S);}
else printf("Invalid input\n");
return 0;
}
| 40 |
19,625 | main()
{
double a,b,c,d;
scanf("%lf %lf %lf %lf",&a,&b,&c,&d);
double s=(a+b+c+d)/2;
double m;
scanf("%lf",&m);
double co=(m/180)*PI;
double p;
double q;
q= (s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(co/2)*cos(co/2);
if(q<0)
printf("Invalid input");
else
{p=sqrt(q);
printf("%.4lf",p);}
}
| 40 |
19,626 | int main(int argc, char* argv[])
{
double a1,a2,a3,a4,b;
double s,sum;
scanf("%lf%lf%lf%lf%lf",&a1,&a2,&a3,&a4,&b);
s=0.5*(a1+a2+a3+a4);
sum=sqrt((s-a1)*(s-a2)*(s-a3)*(s-a4)-a1*a2*a3*a4*cos(b*3.1415926/360)*cos(b*3.1415926/360));
if((s-a1)*(s-a2)*(s-a3)*(s-a4)<0)
printf("Invalid input");
else
printf("%.4lf",sum);
return 0;
}
| 40 |
19,627 | int main()
{
double squ(double a,double b,double c,double d,double e);
double a,b,c,d,e,y,s,n,f;
scanf ("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=e*3.1415926/360;
n=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if (n<0)
printf ("Invalid input\n");
else
{
y=squ(a,b,c,d,e);
printf("%.4f\n",y);
}
return 0;
}
double squ(double a,double b,double c,double d,double e)
{
double s,m,n,f;
s=(a+b+c+d)/2;
f=e*3.1415926/360;
n=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
m=sqrt(n);
return (m);
}
| 40 |
19,628 | double PI=3.1415926;
double f(double a,double b,double c,double d,double alpha)
{
double s=(a+b+c+d)/2;
double tmp=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(alpha*PI/360),2));
if (tmp<0)
return -1;
else
return sqrt(tmp);
}
int main()
{
double a,b,c,d,alpha;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&alpha);
if (f(a,b,c,d,alpha)<0)
printf("Invalid input");
else
printf("%.4lf",f(a,b,c,d,alpha));
} | 40 |
19,629 | int main()
{
double a,b,c,d,g;
double e,f,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
g=(a+b+c+d)/2;
f=P*e/360;
S=sqrt((g-a)*(g-b)*(g-c)*(g-d)-a*b*c*d*pow(cos(f),2));
if((g-a)*(g-b)*(g-c)*(g-d)-a*b*c*d*pow(cos(f),2)<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
}
| 40 |
19,630 |
void main()
{
float a,b,c,d,e,S(float f,float g,float h,float i,float j),z;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
z=S(a,b,c,d,e);
if(z>0)
printf("%.4f",z);
else
printf("Invalid input");
}
float S(float f,float g,float h,float i,float j)
{
double sq,s;
s = (f+g+h+i)/2;
if(((s-f)*(s-g)*(s-h)*(s-i) - f*g*h*i*cos(j/720*2*PI)*cos(j/720*2*PI))>0)
sq=sqrt((s-f)*(s-g)*(s-h)*(s-i) - f*g*h*i*cos(j/720*2*PI)*cos(j/720*2*PI));
return(sq);
} | 40 |
19,631 |
int main()
{
void area(double a, double b, double c, double d, double e);
double a, b, c, d, e;
scanf("%lf%lf%lf%lf%lf", &a, &b, &c, &d, &e);
area(a, b, c, d, e);
return 0;
}
void area(double a, double b, double c, double d, double e)
{
double temp;
double s;
s = (a + b + c + d) / 2;
temp = (s - a) * (s - b) * (s - c) * (s - d) - a * b * c * d * pow(cos(e / 360 * 3.1415926), 2);
if(temp < 0)
printf("Invalid input");
else
printf("%.4lf", sqrt(temp));
}
| 40 |
19,632 | double f(double a,double b,double c,double d,double jiaodu){
double x,y,s;
s=(a+b+c+d)/2;
x=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jiaodu*pi/360)*cos(jiaodu*pi/360);
if(x<0){
y=-1;
}else{
y=sqrt(x);
}
return y;
}
int main(){
double a,b,c,d;
double jiaodu;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jiaodu);
double square;
square=f(a,b,c,d,jiaodu);
if(square==-1){
printf("Invalid input");
}else{
printf("%.4lf",square);
}
return 0;
} | 40 |
19,633 | double mianji(double a,double b,double c,double d,double alpha){
double jiao,s,S,S2;
jiao=alpha/180*PI/2;
s=(a+b+c+d)/2;
S2=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jiao)*cos(jiao);
if(S2<0){
return 0;
}else{
S=sqrt(S2);
return S;
}
}
int main(int argc, char* argv[])
{
double a,b,c,d,alpha;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&alpha);
if(mianji(a,b,c,d,alpha)==0){
printf("Invalid input\n");
}else{
printf("%.4lf\n",mianji(a,b,c,d,alpha));
}
return 0;
} | 40 |
19,634 | main()
{
int i,j;
float a,b,c,d,s,angle,S,delta;
scanf("%f\n%f\n%f\n%f\n%f\n",&a,&b,&c,&d,&angle);
angle/=2;
angle/=360;
angle*=(2*3.1415926);
s=(a+b+c+d)/2;
delta=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
if(delta<0)
printf("Invalid input");
else
{
S=sqrt(delta);
printf("%.4f",S);
}
}
| 40 |
19,635 | int main()
{
double a,b,c,d,e,s,x;
scanf("%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d);
scanf("%lf",&x);
e=a/2+b/2+c/2+d/2;
s=sqrt((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*((cos(x/180*PI)+1)/2));
if((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*((cos(x/180*PI)+1)/2)<0)
printf("Invalid input");
else
printf("%.4lf",s);
return 0;
}
| 40 |
19,636 | int main()
{
double a,b,c,d,A,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&A);
if((b+c+d-a)*(a+c+d-b)*(a+b+d-c)*(a+b+c-d)/16-a*b*c*d*cos(A*3.1415926/360)*cos(A*3.1415926/360)<0){
printf("Invalid input");
}
else{
S=sqrt((b+c+d-a)*(a+c+d-b)*(a+b+d-c)*(a+b+c-d)/16-a*b*c*d*cos(A*3.1415926/360)*cos(A*3.1415926/360));
printf("%.4lf\n",S);
}
return 0;
}
| 40 |
19,637 | void main()
{
double a,b,c,d,s,t,r,o,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&t);
r=t/360*PI;
s=(a+b+c+d)/2;
o=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(r)*cos(r);
m=sqrt(o);
if(o<0)printf("Invalid input");
else printf("%.4lf",m);
}
| 40 |
19,638 | int main()
{
double a,b,c,d,s,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)>0)
{S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926));
printf("%.4lf",S);}
else
printf("Invalid input");
return 0;
} | 40 |
19,639 | void main()
{
double a,b,c,d,e,f,s,S,t;
int i;
double g[5];
for(i=0;i<5;i++)
scanf("%lf",&g[i]);
s=(double)(g[0]+g[1]+g[2]+g[3])/(double)2;
f=(double)g[4]/(double)180*3.1415926;
t=(s-g[0])*(s-g[1])*(s-g[2])*(s-g[3])-g[0]*g[1]*g[2]*g[3]*cos(f/2)*cos(f/2);
if(t<0) printf("Invalid input");
else
{
S=sqrt(t);
printf("%.4lf",S);
}
} | 40 |
19,640 | 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/360),2)){
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e*PI/360),2));
printf("%.4lf",S);
}
else
{
printf("Invalid input");
}
return 0;
}
| 40 |
19,641 | double ji(double a,double b,double c,double d,double jiao);
int main()
{
double x,y,z,k,du,guo;
scanf("%lf%lf%lf%lf%lf",&x,&y,&z,&k,&du);
if((guo=ji(x,y,z,k,du))!=0)
printf("%.4lf",guo);
return 0;
}
double ji(double a,double b,double c,double d,double jiao)
{
double s=0,S;
S=(a+b+c+d)/2.0;
jiao=jiao/360.0*PI;
if(sqrt((S-a)*(S-b)*(S-c)*(S-d) - a*b*c*d*cos(jiao)*cos(jiao))>=0)
s= sqrt((S-a)*(S-b)*(S-c)*(S-d) - a*b*c*d*cos(jiao)*cos(jiao));
else
{
printf("Invalid input");
return 0;
}
return s;
} | 40 |
19,642 | int main(){
float a,b,c,d,e;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&e);
double s,h;
h=(((b+c+d-a)/2)*((a-b+c+d)/2)*((a+b-c+d)/2)*((a+b+c-d)/2)-a*b*c*d*(cos(e*3.1415926/360))*(cos(e*3.1415926/360)));
if(h<0) printf("Invalid input");
else{ s=sqrt(h);
printf("%.4f",s);}}
| 40 |
19,643 | int main()
{
double a,b,c,d,s,x,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s = 1.0/2*(a+b+c+d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos((x/360)*3.1415926),2));
if(S>0)
printf("%.4lf\n",S);
else printf("Invalid input\n");
return 0;
}
| 40 |
19,644 | int main()
{
double a,b,c,d,m,n;
scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&n);
double s=(a+c+d+b)/2;
m=(n/360)*p;
double S=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("%.4f",S);
}
else
{
printf("Invalid input");
}
return 0;
}
| 40 |
19,645 | int main()
{
double a,b,c,d,e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
double n=(a+b+c+d)/2;
double p=cos((e*3.1415926)/360);
double m=(n-a)*(n-b)*(n-c)*(n-d);
if(m<0)
{
printf("Invalid input");
}
else
{
double S=sqrt(m-(a*b*c*d*p*p));
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,646 | int main()
{
double a,b,c,d,e,f,s,S,m;
scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&e);
s =(a+b+c+d)/2;
f =e/360*3.1415926;
m =(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos (e/360*3.1415926)*cos (e/360*3.1415926);
if(m<0){printf("Invalid input");}
else{ S =sqrt(m); printf("%.4lf",S);}
return 0;
} | 40 |
19,647 | int main()
{
float a,b,c,d,e,s;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
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*3.1415926/360)*cos(e*3.1415926/360));
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*3.1415926/360)*cos(e*3.1415926/360)>=0)
printf("%.4f",s);
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*3.1415926/360)*cos(e*3.1415926/360)<0)
printf("Invalid input");
return 0;
} | 40 |
19,648 | void main()
{
double S(double a,double b,double c,double d,double s,double n);
double a,b,c,d,s,m,n,area,PI=3.1415926;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&m);
s=(a+b+c+d)/2;
n=m/(2*180)*PI;
if(S(a,b,c,d,s,n)>=0)
{area=sqrt(S(a,b,c,d,s,n));
printf("%.4lf",area);}
else printf("Invalid input");
}
double S(double a,double b,double c,double d,double s,double n)
{
double z;
z=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(n)*cos(n);
return(z);
} | 40 |
19,649 |
int main()
{
float s,a,b,c,d;
double e,S,jf,g,PI;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%lf",&g);
s = (a+b+c+d)/2;
PI=3.1415926;
e=(g*1.0/2)/360*2*PI;
jf=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e);
if(jf<0){
printf("Invalid input\n");}
else{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e));
printf("%.4lf\n",S);}
return 0;
}
| 40 |
19,650 |
int main()
{
float a,b,c,d,e;
double s,S,Q;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s = (double)(a+b+c+d)/2;
Q = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(pow(cos(e*3.1415926/360),2));
if (Q>=0){
S = sqrt(Q);
printf("%.4lf",S);
}
else
printf("Invalid input");
return 0;
} | 40 |
19,651 | int main()
{
double a,b,c,d,e,f,s,p;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
f=e/360*PI;
s=(a+b+c+d)/2;
p=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if(p<0)
printf("Invalid input");
if(p>=0)
printf("%.4lf",sqrt(p));
return 0;
} | 40 |
19,652 | int main()
{
double a,b,c,d,e,f,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=0.5*(a+b+c+d);
e=e/2*3.1415926/180;
f=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e);
if (f<0)
{printf("Invalid input");
return 0;
}
printf("%.4lf",sqrt(f));
return 0;
} | 40 |
19,653 |
int main(int argc, char* argv[])
{
double a, b, c, d, e, f, s, S, g;
scanf("%lf%lf%lf%lf%lf", &a, &b, &c, &d, &e);
#define pi 3.1415926
s=1.0/2*(a+b+c+d);
f=(e/2)*pi/180;
g = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f);
if (g>0)
{
S = sqrt(g);
printf("%.4lf\n", S);
}
else
{
printf("Invalid input\n");
}
return 0;
}
| 40 |
19,654 | void main()
{
double a, b, c, d, e, s, S;
scanf("%lf", &a);
scanf("%lf", &b);
scanf("%lf", &c);
scanf("%lf", &d);
scanf("%lf", &e);
s=(a+b+c+d)/2.0;
e=e/2.0;
e=e*PI/180;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e)>0)
printf("%.4lf\n", S);
else
printf("Invalid input\n");
} | 40 |
19,655 |
double main()
{
double yuxian, s, area,x;
double a, b, c, d, angle;
scanf("%lf%lf%lf%lf%lf", &a, &b, &c, &d, &angle);
x = angle*0.5;
yuxian = cos(x*2*3.1415926/360);
s = 0.5*(a+b+c+d);//???1/2???0.5
if( ( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*yuxian*yuxian ) < 0)
printf("Invalid input");
else
{
area = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*yuxian*yuxian);
printf("%.4lf", area);
}
return 0;
} | 40 |
19,656 | int main()
{
double a,b,c,d,s,e,S;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
double x,y;
x=e*(3.1415926)/360;
y=cos(x);
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*y*y)<0)
{ printf("Invalid input");}
else
{ S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*y*y);
printf("%.4lf",S);}
getchar();
getchar();
return 0;
} | 40 |
19,657 |
double mianji(double x,double y,double z,double m,double n)
{
double pan,s;
s=(x+y+z+m)/2;
pan=sqrt((s-x)*(s-y)*(s-z)*(s-m)- x*y*z*m*cos(n*pai/180)*cos(n*pai/180));
if (pan>=0)
return pan;
else {
return -1;
}
}
int main()
{
double a,b,c,d,q,mian;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
mian=mianji(a,b,c,d,q/2);
if (mian==-1){
printf("Invalid input\n");
}
else {
printf("%.4lf\n",mian);}
return 0;
}
| 40 |
19,658 | main()
{
double a,b,c,d,angle,pi,alpha;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
pi=3.1415926;
alpha=angle*pi/360;
if(angle==0||angle==180)
printf("Invalid input");
else
{
double area,s;
s=(a+b+c+d)/2;
area=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(alpha)*cos(alpha));
printf("%.4lf",area);
}
getchar();
getchar();
}
| 40 |
19,659 | int main()
{
double a,b,c,d,s,p,q,size; /*p???????????*/
double sumangel,angel;
const double PI=3.1415926;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&sumangel);
s=(a+b+c+d)/2;
angel=sumangel/180*PI/2;
q=cos(angel);
p=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*q*q;
if(p>=0)
{
size=sqrt(p);
printf("%.4f\n",size);
}
else
printf("Invalid input");
return 0;
}
| 40 |
19,660 | void main()
{
double cal(double,double,double,double,double,double);
double S,a,b,c,d,s,x;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
S=cal(a,b,c,d,s,x);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos((x/360)*3.1415926)*cos((x/360)*3.1415926)<-0.00001)
printf("Invalid input");
else
printf("%.4lf",S);
}
double cal(double a,double b,double c,double d,double s,double x)
{
double S;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos((x/360)*3.1415926)*cos((x/360)*3.1415926));
return(S);
} | 40 |
19,661 | int main()
{
float a,b,c,d,e;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
float s=(a+b+c+d)/2;
float jiao=e*PI/180;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jiao/2)*cos(jiao/2)<0)
{
printf("Invalid input");
}
else
{
printf("%.4f",sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(jiao/2)*cos(jiao/2)));
}
return 0;
}
| 40 |
19,662 | double area(double a,double b,double c,double d,double e)
{
double s,k;
s=(a+b+c+d)/2;
e=cos(e/360*PI);
e=e*e;
s=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e);
if (s>=0)
k=sqrt(s);
else k=-1;
return k;
}
int main()
{
double a1,b1,c1,d1,e1,s1;
scanf("%lf%lf%lf%lf%lf",&a1,&b1,&c1,&d1,&e1);
s1=area(a1,b1,c1,d1,e1);
if (s1==-1)
printf("Invalid input");
else
printf("%.4lf",s1);
return 0;
} | 40 |
19,663 | main()
{
float a[4];
float k;
float c;
int i;
for(i=0;i<4;i++)
{
scanf("%f",&a[i]);
}
scanf("%f",&c);
c=2*3.1415926*c/360;
k=(a[0]+a[1]+a[2]+a[3])/2;
double s,sq;
sq=(k-a[0])*(k-a[1])*(k-a[2])*(k-a[3]) - a[0]*a[1]*a[2]*a[3]*(double)cos(c/2)*(double)cos(c/2);
if(sq<0)
printf("Invalid input");
else
{
s=sqrt(sq);
printf("%.4f",s);
}
}
| 40 |
19,664 | int main(void){
double a,b,c,d;
double n;
double S,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&n);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(1.0000*n*PI/360)*cos(1.0000*n*PI/360)>0) {
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(1.0000*n*PI/360)*cos(1.0000*n*PI/360));
printf("%.4lf",S);}
else
{printf("Invalid input");}
return 0;
}
| 40 |
19,665 | //?????????????????
int main()
{
double mianji(double a,double b,double c,double d,double jiao);
double a,b,c,d,jiao,shuchu;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jiao);
shuchu=mianji(a,b,c,d,jiao);
if(shuchu==-1) /*?????????????*/
printf("Invalid input");
else
printf("%.4lf",shuchu);
return 0;
}
//??????????????????
double mianji(double a,double b,double c,double d,double jiao)
{
double result,hu,s,panduan;
hu=jiao/180*PI/2;
s=(a+b+c+d)/2;
panduan=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(hu)*cos(hu);
if(panduan<0) /*????????????????*/
result=-1;
else
result=sqrt(panduan);
return result;
} | 40 |
19,666 | main()
{
float a,b,c,d,s,S,J,j;
scanf("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&J);
j=(float)(3.1415926*J)/360;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j))>1e-6)
{S=(float)sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j));
printf("%.4f",S);
}
else
printf("Invalid input");
} | 40 |
19,667 | int main()
{
double a,b,c,d,e,s,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
e=e*PI/360;
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e)*cos(e);
if(S<0)
printf("Invalid input\n");
else
{S=sqrt(S);
printf("%.4lf\n",S);
}
return 0;
}
| 40 |
19,668 | double mj(float a,float b,float c,float d,float e)
{
double t,s,k;
k=(double)3.1415926*e/360;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k)*cos(k))<0)
{
t=-1;
}
else
{
t=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k)*cos(k));
}
return(t);
}
void main()
{
double f;
float a,b,c,d,e;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
f=mj(a,b,c,d,e);
if(f<0)
{printf("Invalid input");}
else
{printf("%.4f",f);}
}
| 40 |
19,669 |
double square(double a1,double b1,double c1,double d1,double jiao1)
{
double s=(a1+b1+c1+d1)/2;
double k=cos(jiao1/2)*cos(jiao1/2);
if(((s-a1)*(s-b1)*(s-c1)*(s-d1)-a1*b1*c1*d1*k)<0) return 0;
else
{
double S=sqrt((s-a1)*(s-b1)*(s-c1)*(s-d1)-a1*b1*c1*d1*k);
return S;
}
}
void main()
{
double S,a,b,c,d,jiao;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jiao);
jiao=jiao/360*2*3.1415926;
S=square(a,b,c,d,jiao);
if(S==0)printf("Invalid input");
else
printf("%.4lf",S);
} | 40 |
19,670 | int main(void)
{
double a,b,c,d,af,s,S,k;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&af);
s=(a+b+c+d)/2.0;
af=cos(af/2.0*3.1415926/180.0);
k=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*af*af;
if(k<0)
printf("Invalid input\n");
else
S=sqrt(k),
printf("%.4lf\n",S);
return 0;
}
| 40 |
19,671 | double area(double a,double b,double c,double d,double p)
{
double s=(a+b+c+d)/2;
double PI=3.1415926;
double S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p*PI/360)*cos(p*PI/360));
return S;
}
main()
{
double a,b,c,d,p,S;
double PI=3.1415926;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&p);
double s=(a+b+c+d)/2;
double m=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p*PI/360)*cos(p*PI/360);
if(m<0)
{
printf("Invalid input");
}
else
{
S=area(a,b,c,d,p);
printf("%.4lf",S);
}
}
| 40 |
19,672 | int main()
{
double a,b,c,d,w,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&w);
s=(a+b+c+d)/2.0;
w=cos(w/2.0*3.1415926/180.0);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*w*w>0){
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*w*w);
printf("%.4f\n",S);
}
else{
printf("Invalid input\n");
}
return 0;
}
| 40 |
19,673 | void main()
{
int i;
double a[5],s,q;
for(i=0;i<5;i++)
scanf("%lf\n",&a[i]);
q=(a[1]+a[2]+a[3]+a[0])/2;
s=(q-a[0])*(q-a[1])*(q-a[2])*(q-a[3])-a[0]*a[1]*a[2]*a[3]*cos(a[4]*PI/(double)360)*cos(a[4]*PI/(double)360);
if(s<0)printf("Invalid input");
else printf("%.4lf",sqrt(s));
} | 40 |
19,674 | int main(){
double a,b,c,d,e,n,s,x1,x2;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
n=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos((e*PI)/360)*cos((e*PI)/360);
if(n>=0){
x1=1;
x2=(x1+n/x1)/2;
while(x2-x1>JINGDU||x1-x2>JINGDU){
x1=x2;
x2=(x1+n/x1)/2;
}
printf("%.4lf",x2);
}
else if(n<0){
printf("Invalid input");
}
return 0;
} | 40 |
19,675 | //struct
main()
{
float a,b,c,d,e;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&e);
double r;
r=e/360*3.1415926;
float s,S;
s = (a+b+c+d)/2;
double w;
w=cos(r);
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*w*w)>=0)
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*w*w);
printf("%.4f",S);
}
else
printf("Invalid input");
}
| 40 |
19,676 | float m(float,float,float,float,float);
void main()
{
float a,b,c,d,an,s;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&an);
if(m(a,b,c,d,an)<0)
printf("Invalid input\n");
else
{s=sqrt(m(a,b,c,d,an));
printf("%.4f\n",s);
}
}
float m(float a,float b,float c,float d,float an)
{float s,e;
e=(a+b+c+d)/2;
s=(e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*pow(cos(an*3.1415926/360),2);
return s;
}
| 40 |
19,677 |
double mianji(double a,double b,double c,double d,double n)
{
double w,m,s;
m=n*3.1415926/360.0;
s=(a+b+c+d)/2;
w=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(m)*cos(m);
return(w);
}
void main()
{
double a,b,c,d,n,e,q;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&n);
e=mianji(a,b,c,d,n);
if (e>0)
{
q=sqrt(e);
printf("%.4lf\n",q);
}
else
{
printf("Invalid input\n");
}
}
| 40 |
19,678 | int main(){
double sqrt(double);
double a,b,c,d,e;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
double S;
double t;
t=(e/180)*p;
if(m>=0){
S=sqrt(m);
printf("%.4lf",S);
}
else{
printf("Invalid input");
}
return 0;
}
| 40 |
19,679 | int main(void)
{
float a=0,b=0,c=0,d=0;
float aa=180;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&aa);
aa=aa/180*3.1415926;
float S=0;
float s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((double)aa/2)*cos((double)aa/2)<0)
printf("Invalid input");
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((double)aa/2)*cos((double)aa/2));
printf("%.4f",S);
}
return 0;
} | 40 |
19,680 | int main()
{
double a,b,c,d,k,area,n,s,y;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&k);
n=(k*PI)/360;
s=(double)((a+b+c+d)/2);
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(n),2);
if(y<0) printf("Invalid input");
else
{
area=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(n),2));
printf("%.4lf\n",area);
}
return 0;
} | 40 |
19,681 | int main()
{
double a,b,c,d,e,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
e=3.1415926*e/360;
e=cos(e);
s=(a+b+c+d)/2;
s=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e*e;
if(s<0)
printf("Invalid input");
else{
s=sqrt(s);
printf("%.4lf",s);
}
return 0;
} | 40 |
19,682 | int main(int argc, char* argv[])
{
double a,b,c,d,e,s,t,S; //e??????
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=1.0/2*(a+b+c+d);
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*PI*1/2/180)*cos(e*PI*1/2/180);//(e*PI*1/2/180)???????????2
if(t<0)
{
printf("Invalid input");
}
else
{
S=sqrt(t);
printf("%.4f",S);
}
return 0;
}
| 40 |
19,683 | void main()
{
float a,b,c,d,x,s;
scanf("%f\n",&a);
scanf("%f\n",&b);
scanf("%f\n",&c);
scanf("%f\n",&d);
scanf("%f",&x);
float y,z;
y=x*PI/360;
z=(a+b+c+d)/2;
if( sqrt((z-a)*(z-b)*(z-c)*(z-d) - a*b*c*d*cos(y)*cos(y))>=0)
{
s=sqrt((z-a)*(z-b)*(z-c)*(z-d) - a*b*c*d*cos(y)*cos(y));
printf("%.4f",s);
}
else
printf("Invalid input\n");
}
| 40 |
19,684 | main()
{
double mianji(double a,double b,double c,double d,double e);
double A,B,C,D,E,g,S,F,H;
scanf("%lf%lf%lf%lf%lf",&A,&B,&C,&D,&E);
S=0.5*(A+B+C+D);
H=E/360*3.1415926;
F=cos(H);
if ((S-A)*(S-B)*(S-C)*(S-D)-A*B*C*D*F*F<0)
{printf("Invalid input\n");}
else
{g=mianji(A,B,C,D,E);
printf("%.4lf",g);}
}
double mianji(double a,double b,double c,double d,double e)
{
double s,f,i,h;
s=0.5*(a+b+c+d);
h=e/360*3.1415926;
f=cos(h);
i=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f*f);
return (i);
}
| 40 |
19,685 | int main(){
float a,b,c,d,m,jd;
float s,S;
scanf("%f %f %f %f",&a,&b,&c,&d);
scanf("%f",&m);
jd=m*PI/360;
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(jd)*cos(jd);
if (S<0)
printf("Invalid input");
else
printf("%.4f\n",sqrt(S));
return 0;
} | 40 |
19,686 | int main(){
float a,b,c,d;
float an;
scanf("%f\n %f\n %f\n %f\n %f\n",&a,&b,&c,&d,&an);
float s;
s = (a+b+c+d)/2;
float angel=an*2*3.1415926/360;
double S;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(angel/2))*(cos(angel/2)));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(angel/2))*(cos(angel/2))<0){
printf("Invalid input");
}
else{
printf("%.4lf",S);
}
return 0;
} | 40 |
19,687 |
double mianji(double a,double b,double c,double d,double e)
{
double S;
double s=(a+b+c+d)/2;
double t=(e/180)*PI;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t/2)*cos(t/2));
return S;
}
int main()
{ double n,a,b,c,d,e,s,t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
t=(e/180)*PI;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t/2)*cos(t/2)>=0)
{
n=mianji(a,b,c,d,e);
printf("%.4lf",n);
}
else if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t/2)*cos(t/2)<0)
{
printf("Invalid input");
}
return 0;
} | 40 |
19,688 | int main()
{
float a,b,c,d;
float e;
double f,s,S;
scanf("%f%f%f%f",&a,&b,&c,&d);
s=(double)1/2*(a+b+c+d);
scanf("%f",&e);
f=(double)e/360*pi;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f)<0)
{
printf("Invalid input\n");
}
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f));
printf("%.4lf\n",S);
}
return 0;
}
| 40 |
19,689 | /* Note:Your choice is C IDE */
void main()
{ double a,b,c,d,s;
double ri,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&ri);
ri*=3.1415926/180;
ri/=2;
s=(a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ri)*cos(ri));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ri)*cos(ri)<0) printf("Invalid input");
else printf("%.4f",S);} | 40 |
19,690 |
void main()
{
double a,b,c,d,x,s,S;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
s = 0.5*(a+b+c+d);
x = x/2/360*2*pai;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x)*cos(x));
if( ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x)*cos(x))<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
} | 40 |
19,691 | int main()
{
double a,b,c,d,e,s,S,PI=3.1415926;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e*PI/360),2));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e*PI/360),2)<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
}
| 40 |
19,692 | main()
{
double a,b,c,d,s,x,y,z;
const double PI=3.1415926;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
x=x*PI/360;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x);
if(y>0)
{
z=sqrt(y);
printf("%.4lf\n",z);
}
else
printf("Invalid input\n");
getchar();getchar();getchar();getchar();
}
| 40 |
19,693 | int main()
{
double a,b,c,d,e;
double s,S,x;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
x=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926);
if(x<0) printf("Invalid input\n");
else {
S=sqrt(x);
printf("%.4lf\n",S);
}
return 0;
} | 40 |
19,694 | void main()
{
double f(double a,double b,double c,double d,double h);
double a,b,c,d,h,final;
char x[]={"Invalid input"};
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&h);
final=f(a,b,c,d,h);
if(final<0)
puts(x);
else printf("%.4lf",final);
}
double f(double a,double b,double c,double d,double h)
{
double under,s;
h=h/180*PI;
s=(a+b+c+d)/2;
under=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(h/2)*cos(h/2);
if(under>=0) return (sqrt(under));
else return(-1);
} | 40 |
19,695 | double mianji(double a,double b,double c,double d,double jiao)
{
double result,hu,s,panduan;
hu=jiao/180*PI/2;
s=(a+b+c+d)/2;
panduan=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(hu)*cos(hu);
if(panduan<0)
result=-1;
else
result=sqrt(panduan);
return result;
}
int main()
{
double a,b,c,d,jiao,shuchu;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jiao);
shuchu=mianji(a,b,c,d,jiao);
if(shuchu==-1)
printf("Invalid input");
else
printf("%.4lf",shuchu);
return 0;
} | 40 |
19,696 | void asdf()
{
double a,b,c,d,t,s,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&t);
t=t*3.1415926/360;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(t)*cos(t))>=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");
}
void main()
{
void asdf();
asdf();
} | 40 |
19,697 | main()
{
double a,b,c,d,e,s,ans,x;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
x=cos(e/2/180*3.1415926);
ans=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*x*x;
if (ans<0) printf("Invalid input");
else printf("%.4lf\n",sqrt(ans));
}
| 40 |
19,698 | int main()
{
double a=0,b=0,c=0,d=0,e=0,f=0,s=0;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
f=(a+b+c+d)/2;
s=sqrt((f-a)*(f-b)*(f-c)*(f-d)-a*b*c*d*cos(e/360*pi)*cos(e/360*pi));
if(s>=0)
printf("%.4lf",s);
else
printf("Invalid input\n");
return 0;
}
| 40 |
19,699 |
int main()
{
double a,b,c,d,v;
double s,S;
double P;
P=3.1415926;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&v);
s = (double)1/2*(a+b+c+d);
if((s-a)*(s-b)*(s-c)*(s-d)- a*b*c*d*cos(v*P/360)<0)//CXX0017: Error: symbol "cos" not found
printf("Invalid input");
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(v*P/360)*cos(v*P/360));
printf("%.4f",S);
}
return 0;
}
| 40 |
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