id
int32 0
32.5k
| code
stringlengths 95
8.4k
| label
stringclasses 65
values |
|---|---|---|
19,500 |
double m(double a,double b,double c,double d,double e)
{
double pi,s,sq;
s=(a+b+c+d)/2;
pi=3.1415926;
sq=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(pi*e/360)*cos(pi*e/360));
return(sq);
}
void main()
{
double m(double a,double b,double c,double d,double e);
double a,b,c,d,e,p,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)
printf("Invalid input");
else
{p=m(a,b,c,d,e);
printf("%.4lf\n",p);}
}
|
40
|
19,501 |
int main(int argc, char* argv[])
{
double a ,b,c,d,e;
double S,s,t;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
e=e*PI/360;
t=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e);
if(t<0)
{
printf("Invalid input");
}
else
{
S=sqrt(t);
printf("%.4f",S);
}
return 0;
}
|
40
|
19,502 |
int main()
{double a,b,c,d,e,sum,k;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
e/=360;
e*=3.1415926;sum=(a+b+c+d)/2;
sum=((sum-a)*(sum-b)*(sum-c)*(sum-d)-a*b*c*d*cos(e)*cos(e));
if(sum<0)printf("Invalid input");
else{sum=(a+b+c+d)/2;
sum=((sum-a)*(sum-b)*(sum-c)*(sum-d)-a*b*c*d*cos(e)*cos(e));
sum=sqrt(sum);
printf("%.4f\n",sum);}return 0;
}
|
40
|
19,503 |
double area1(double a,double b,double c,double d,double j);
int main()
{
double e,f,g,h,i,j,y;
scanf("%lf%lf%lf%lf%lf",&e,&f,&g,&h,&i);
if(i>0&&i<360){
j=PI*i/360;
y=area1(e,f,g,h,j);
if(y!=-1){
printf("%.4lf",y);
}else{
printf("Invalid input");
}
}
return 0;
}double area1(double a,double b,double c,double d,double j)
{
double s,S;
s=(a+b+c+d)/2.0;
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(j)*cos(j)<0){S=-1;}
return S;
}
|
40
|
19,504 |
void main()
{
int i,n;double *p;
p=(double *)calloc(1,5*sizeof(double));
scanf("%lf %lf %lf %lf %lf",p,p+1,p+2,p+3,p+4);
double x,s=0;
for(i=0;i<4;i++)
{s+=*(p+i);}
s=s/2;
x=(s-*p)*(s-*(p+1))*(s-*(p+2))*(s-*(p+3))-*p**(p+1)**(p+2)**(p+3)*cos(*(p+4)/360*3.1415926)*cos(*(p+4)/360*3.1415926);
if(x<0) printf("Invalid input");
else{x=sqrt((s-*p)*(s-*(p+1))*(s-*(p+2))*(s-*(p+3))-*p**(p+1)**(p+2)**(p+3)*cos(*(p+4)/360*3.1415926)*cos(*(p+4)/360*3.1415926));
printf("%.4lf",x);}
}
|
40
|
19,505 |
int main()
{
double s,S,a,b,c,d,e,f,g;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2.0;
f=PI*e/360.0;
g=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if(g>0||g==0){
S=sqrt(g);
printf("%.4lf",S);
}
if(g<0)
printf("Invalid input");
return 0;
}
|
40
|
19,506 |
int main()
{
double a,b,c,d,s,S,k,t;
scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&k);
s = (a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*PI/2/180)*cos(k*PI/2/180);
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*PI/2/180)*cos(k*PI/2/180));
if(t>0)
{
printf("%.4lf",S);
}
else if(t<0)
{
printf("Invalid input");
}
return 0;
}
|
40
|
19,507 |
float mianji(float a,float b,float c,float d,float e);
int main()
{
float a,b,c,d,e,f;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
f=mianji(a,b,c,d,e);
if(f==-1)
printf("Invalid input");
else
printf("%.4f",f);
return 0;
}
float mianji(float a,float b,float c,float d,float e)
{
float s,m,q,S;
e=e/360*PI;
s=(a+b+c+d)/2;
q=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e)*cos(e);
if(q<=0) return -1;
else S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e)*cos(e));
return S;
}
|
40
|
19,508 |
int main()
{
double a,b,c,d,angel,sq;
scanf("%lf %lf %lf %lf %lf", &a, &b, &c, &d, &angel);
sq = (b+c+d-a)/2*(c+d+a-b)/2*(d+a+b-c)/2*(a+b+c-d)/2-a*b*c*d*pow(cos(angel/2*PI/180),2);
if (sq<0) printf("Invalid input");
else {
sq = sqrt(sq);
printf("%.4lf", sq);
}
return 0;
}
|
40
|
19,509 |
double area(double a,double b,double c,double d,double arpha)
{
double s,S,temp;
s=(a+b+c+d)/2;
arpha*=0.5*PI/180;
temp=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(arpha)*cos(arpha);
if (temp<0)
return -1;
else
{
S=sqrt(temp);
return S;
}
}
main()
{
double a,b,c,d,arpha,S,temp;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&arpha);
temp=area(a,b,c,d,arpha);
if (temp<0)
printf("Invalid input");
else
{
printf("%.4f",temp);
}
}
|
40
|
19,510 |
void s(float a,float b,float c,float d,float e)
{
float f,g,h;
f=(a+b+c+d)/2;
g=(e/360)*3.1415926;
if(((f-a)*(f-b)*(f-c)*(f-d)-a*b*c*d*cos(g)*cos(g))>0)
{
h=sqrt((f-a)*(f-b)*(f-c)*(f-d)-a*b*c*d*cos(g)*cos(g));
printf("%.4f\n",h);
}
if(((f-a)*(f-b)*(f-c)*(f-d)-a*b*c*d*cos(g)*cos(g))<=0)
{
printf("Invalid input\n");
}
}
void main()
{
float S,a,b,c,d,e;
scanf("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&e);
s(a,b,c,d,e);
}
|
40
|
19,511 |
main()
{
double a,b,c,d;
double e;
double i;
scanf("%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d);
scanf("%lf",&e);
i=(double)(e/2);
double f,g;
f=(double)((a+b+c+d)/2);
double p;
p=(double)((i/180)*PI);
g=(double)((f-a)*(f-b)*(f-c)*(f-d)-a*b*c*d*cos(p)*cos(p));
if(g<0)
printf("Invalid input");
else
{
double s;
s=sqrt(g);
printf("%.4lf",s);
}
getchar();
getchar();
}
|
40
|
19,512 |
int main()
{
double a,b,c,d,x,s,n;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
n=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x*PI/360)*cos(x*PI/360);
if(n<0){
printf("Invalid input");
}
else{
printf("%.4lf",sqrt(n));
}
}
|
40
|
19,513 |
int main()
{
double a,b,c,d,e,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=0;
S=0;
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)
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(PI*e/360)*cos(PI*e/360)));
printf("%.4lf\n",S);
}
else
printf("Invalid input\n");
return 0;
}
|
40
|
19,514 |
int main()
{
float a,b,c,d,angle,fanhuizhi;
float function(float a,float b,float c, float d, float angle);
scanf("%f%f%f%f%f",&a,&b,&c,&d,&angle);
fanhuizhi=function(a,b,c,d,angle);
if(fanhuizhi==-1){printf("Invalid input");}
else{
printf("%.4f",fanhuizhi);
}
return 0;
}
float function(float a,float b,float c, float d, float angle)
{
float s,genhao;
double fanhuizhi,ANGLE;
ANGLE=angle/360*3.1415926;
s=(a+b+c+d)/2;
genhao=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ANGLE)*cos(ANGLE);
if(genhao<0){fanhuizhi=-1;}
else{
fanhuizhi=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ANGLE)*cos(ANGLE));
}
return fanhuizhi;
}
|
40
|
19,515 |
void main()
{
double mianji(double a,double b,double c,double d,double j);
double a,b,c,d,j,jj,ss;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&j);
jj=j*p/t;
ss=mianji(a,b,c,d,jj);
if (ss!=-1) printf("%.4lf\n",ss);
else printf("Invalid input\n");
}
double mianji(double a,double b,double c,double d,double jj)
{
double s,q,qq;
s=(a+b+c+d)/2;
q=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(jj)*cos(jj);
if (q<0) qq=-1;
else qq=sqrt(q);
return(qq);
}
|
40
|
19,516 |
const double PI=3.1415926;
int main()
{
int i;
double a[6];
for(i=0;i<5;i++)
{
scanf("%lf",&a[i]);
}
double area;
double s;
double temp;
double angle=a[4]/180*PI;
s=(a[0]+a[1]+a[2]+a[3])/2;
temp=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*cos(angle/2)*cos(angle/2);
if(temp<0)printf("Invalid input");
else printf("%.4f",sqrt(temp));
return 0;
}
|
40
|
19,517 |
int main(){
double a, b, c, d, e, k, s, S;
scanf("%lf%lf%lf%lf%lf", &a, &b, &c, &d, &e);
s = (a+b+c+d)/2;
#define q 3.1415926
S = sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*q/360)*cos(e*q/360));
k =(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*q/360)*cos(e*q/360);
if(k>0){
printf("%.4lf", S);
}
else if(k<0){
printf("Invalid input");
}
return 0;
}
|
40
|
19,518 |
int main(void)
{
double a,b,c,d,af,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&af);
s=(a+b+c+d)/2;
af=cos(af/180*3.1415926/2);
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*af*af;
if(S<0)
printf("Invalid input\n");
else
printf("%.4lf\n",sqrt(S));
return 0;
}
|
40
|
19,519 |
int main()
{
double y=0,a,b,c,d,s=0,x=0,e,v=0;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
v=e/360*3.1415926;
x = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(v)*cos(v);
if(x<0)
{
printf("Invalid input");
}
else{
printf("%.4lf",sqrt(x));
}
return 0;
}
|
40
|
19,520 |
double f(double A);
void main()
{
double a,b,c,d,s,A,S;
scanf("%lf""%lf""%lf""%lf""%lf",&a,&b,&c,&d,&A);
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f(A/2)*f(A/2);
if(S<0)
printf("Invalid input");
else
printf("%.4lf",sqrt(S));
}
double f(double A)
{
double z,PI;
PI = 3.1415926;
z=(double)cos(A/180*PI);
return(z);
}
|
40
|
19,521 |
int main()
{
double a;
double b;
double c;
double d;
double e;
double S;
double s;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
e=e/180*3.1415926;
s = (a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(pow(cos(e/2),2)));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(pow(cos(e/2),2)))<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
|
40
|
19,522 |
int main()
{
double a,b,c,d,r,w,s,S;
a=b=c=d=r=0;
r>0&&r<360;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&r);
s=(a+b+c+d)/2;
w=3.1415926*r/360;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(w)*cos(w));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(w)*cos(w))<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
|
40
|
19,523 |
double mianji(double a,double b,double c,double d,double e){
double s,m,n,p;
s=1/2.0*(a+b+c+d);
p=e/180*pai;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(p/2.0),2);
if(m<0)
printf("Invalid input\n");
else{
n=sqrt(m);
return n;
}
}
int main(){
double a,b,c,d,e;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
double n;
n=mianji(a,b,c,d,e);
printf("%.4lf",n);
return 0;
}
|
40
|
19,524 |
int main (int argc,char*argv[])
{
double a,b,c,d,e,s,pi, f,t,N;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
pi=3.1415926;
f=e*pi/360;
N=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f);
t = sqrt(N);
if(N<0)
printf("Invalid input\n");
else
printf("%.4lf",t);
return 0;
}
|
40
|
19,525 |
int main()
{
double a[4],corner,s=0,S,PI=3.1415926;
int i;
for(i=0;i<4;i++)
{
scanf("%lf",&a[i]);
s+=a[i];
}
s/=2;
scanf("%lf",&corner);
corner=corner*PI/180;
S=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3]);
S-=a[0]*a[1]*a[2]*a[3]*cos(corner/2)*cos(corner/2);
if(S<0)
{
printf("Invalid input");
}
else
{
printf("%.4f",sqrt(S));
}
}
|
40
|
19,526 |
int main()
{
double a,b,c,d,s,t,x,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2.0;
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x/2*2*PI/360)*cos(x/2*2*PI/360);
if(t>=0){
S=sqrt(t);
printf("%.4lf",S);
}
if(t<0){
printf("Invalid input");
}
return 0;
}
|
40
|
19,527 |
int main(int argc, char* argv[])
{ double a,b,c,d,s,e,f,g,PI=3.1415926,S;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
f=e/360.0*PI;
s=1.0/2.0*(a+b+c+d);
g=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if(g<0){
printf("Invalid input");
}
else{
S=sqrt(g);
printf("%.4f",S);
}
return 0;
}
|
40
|
19,528 |
int main()
{
double a,b,c,d,x,y,z;
double s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
#define PI 3.1415926
y=(double)cos(PI*x/360);
z=(double)(a+b+c+d)/2;
if((z-a)*(z-b)*(z-c)*(z-d)-a*b*c*d*y>=0)
{
s=(double)sqrt((z-a)*(z-b)*(z-c)*(z-d)-a*b*c*d*y*y);
printf("%.4lf",s);
}
else
{
printf("Invalid input");
}
return 0;
}
|
40
|
19,529 |
void main()
{
double a[4],p,s=0,q,m;
int i;
for(i=0;i<4;i++)
{
scanf("%lf",&a[i]);
s+=a[i];
}
s=s/2;
scanf("%lf",&p);
p=p*Pi/360;
q=((s-a[0])*(s-a[2])*(s-a[3])*(s-a[1])-a[0]*a[1]*a[3]*a[2]*cos(p)*cos(p));
if(q<0)
{
printf("Invalid input");
return;
}
else m=sqrt(q);
printf("%.4lf",m);
}
|
40
|
19,530 |
double sq(double a,double b,double c,double d,double ang);
int main()
{
double a,b,c,d,ang,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&ang);
s=sq(a,b,c,d,ang);
if(s!=0)
printf("%.4lf",s);
return 0;
}
double sq(double a,double b,double c,double d,double ang){
double l=(a+b+c+d)/2;
double rad=PI*ang/360;
double m=cos(rad);
double n=(l-a)*(l-b)*(l-c)*(l-d)-a*b*c*d*m*m;
if(n<0){
printf("Invalid input");
return 0;
}
double t=sqrt(n);
return t;
}
|
40
|
19,531 |
double area(double a,double b,double c,double d,double e){
double s,sa;
e=3.1415926*e/180/2;
s=(a+b+c+d)/2;
sa=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e)*cos(e);
if(sa<0)
return -1;
else
return sqrt(sa);
}
int main(){
double a,b,c,d,e,ans;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
ans=area(a,b,c,d,e);
if(ans<0)
printf("Invalid input\n");
else
printf("%0.4lf\n",ans);
return 0;
}
|
40
|
19,532 |
main()
{
double a,b,c,d,w,s;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&w);
w=PI*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);
if(s<0) printf("Invalid input");
else printf("%.4lf",sqrt(s));
getchar();
getchar();
getchar();
}
|
40
|
19,533 |
double cos2(float alpha){
return cos(alpha/360*PI)*cos(alpha/360*PI);
}
int main(){
double a,b,c,d,alpha,s,sum;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alpha);
s = (a+b+c+d)/2;
sum=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos2(alpha);
if(sum<0)
printf("Invalid input\n");
else
printf("%.4lf\n",sqrt(sum));
}
|
40
|
19,534 |
void main()
{
float a,b,c,d,e,ans;
float sum,multi,anmul;
float sq(float p,float q);
float angle,angle2;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&angle2);
sum=(a+b+c+d)/2;
angle=angle2/2;
multi=(sum-a)*(sum-b)*(sum-c)*(sum-d);
e=cos(angle*3.1415926/180)*cos(angle*3.1415926/180);
anmul=a*b*c*d*e;
ans=sq(multi,anmul);
if((multi-anmul)<0) printf("Invalid input");
else printf("%.4f",ans);
}
float sq(float p,float q)
{
float z;
z=sqrt((p-q));
return z;
}
|
40
|
19,535 |
int main(int argc, char *argv[])
{ double mianji(double a,double b,double c,double d,double j);
double x,y,z,t,w,s;
scanf("%lf%lf%lf%lf%lf",&x,&y,&z,&t,&w);
s=mianji(x,y,z,t,w);
if(s!=-1)
printf("%.4lf\n",s);
else
printf("Invalid input\n") ;
return 0;
}
double mianji(double a,double b,double c,double d,double j)
{double S,s,s2;
double hudu;
hudu=j/360*3.1415926;
S=(a+b+c+d)/2;
s2=(S-a)*(S-b)*(S-c)*(S-d)-a*b*c*d*cos(hudu)*cos(hudu);
if(s2<0)
s=-1;
else
s=sqrt(s2);
return (s);
}
|
40
|
19,536 |
int main()
{
double s,a,b,c,d,e,f,g,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=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f*f);
printf("%.4lf",g);}
return 0;
}
|
40
|
19,537 |
int main(int argc, char* argv[])
{
double a,b,c,d;
scanf("%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d);
double n;
scanf("%lf",&n);
double s,N;
s=(a+b+c+d)/2;
N=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*n/360)*cos(PI*n/360);
if(N<0)printf("Invalid input");
else{
double S;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*n/360)*cos(PI*n/360));
printf("%.4f",S);
}
return 0;
}
|
40
|
19,538 |
int main()
{
double a[4];
double angle;
double s=0.0;
double S=0;
int i;
for(i=0;i<4;i++)
{
scanf("%lf",&a[i]);
s+=a[i];
}
s/=2;
scanf("%lf",&angle);
angle=angle/360*PI;
S=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*cos(angle)*cos(angle);
if(S<0)
{
printf("Invalid input");
return 0;
}
S=sqrt(S);
printf("%.4lf",S);
return 0;
}
|
40
|
19,539 |
int main()
{
double a,b,c,d,h,S,s,sum;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&h);
s=(a+b+c+d)/2;
sum=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(h*PI/360),2);
S=sqrt(sum);
if (h>360||h<=0)
{
printf("Error!");
}
else
{
if (sum<0)
{
printf("%s\n","Invalid input");
}
else
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
19,540 |
int main()
{
double a,b,c,d,s,x,y,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&x);
s=1.0/2.0*(a+b+c+d);
y = x/360*3.1415926;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(y)*cos(y)));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(y)*cos(y))<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
}
|
40
|
19,541 |
int main()
{
double mianji(double X);
double a,b,c,d,alpha,s,S;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&alpha);
alpha=alpha*PI/360;
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alpha)*cos(alpha);
if(S<0){
printf("Invalid input");
} else{
printf("%.4lf",mianji(S));
}
return 0;
}
double mianji(double X){
double S2;
S2=sqrt(X);
return (S2);
}
|
40
|
19,542 |
double mj(float a,float b,float c,float d,float z)
{
double y,s;
s=(a+b+c+d)/2;
y=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(z)*cos(z));
return(y);
}
double main()
{
double a,b,c,d,x,z,PI=3.1415926,S,s,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
z=((x/2)*PI)/180;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(z)*cos(z);
if(m<0)
printf("Invalid input");
else
{
S=mj(a,b,c,d,z);
printf("%.4lf",S);
}
}
|
40
|
19,543 |
void main()
{
double a,b,c,d,x,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
x=3.1415926*x/360;
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("%.4f",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)) );
}
|
40
|
19,544 |
double S(double x,double y,double z,double w,double m);
int main()
{
double a,b,c,d,e,f,genhaonei,mianji;
scanf ("%lf",&a);
scanf ("%lf",&b);
scanf ("%lf",&c);
scanf ("%lf",&d);
scanf ("%lf",&e);
genhaonei=S(a,b,c,d,e);
if (genhaonei<0)
{
printf("Invalid input");
}
else
{
mianji=sqrt(genhaonei);
printf ("%.4lf\n",mianji);
}
return 0;
}
double S(double x,double y,double z,double w,double m)
{
double s,genxia,ff;
s=0.5000*(x+y+z+w);
ff=0.5000*m/180.0000*PI;
genxia=(s-x)*(s-y)*(s-z)*(s-w)-x*y*z*w*cos(ff)*cos(ff);
return genxia;
}
|
40
|
19,545 |
int main ()
{
double a,b,c,d,q;
double y(double a,double b,double c,double d,double q);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
if(y(a,b,c,d,q)==-1)
printf("Invalid input\n");
else
printf("%.4lf\n",y(a,b,c,d,q));
return 0;
}
double y(double a,double b,double c,double d,double q)
{
double s,f,test;
s=(a+b+c+d)/2;
f=(q/360)*PI;
test=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if (test<0)
return -1;
else
return (sqrt(test));
}
|
40
|
19,546 |
int main ()
{
float a,b,c,d,k,s,x;
int e;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%d",&e);
k=(float)e*pi/180;
k=k/2;
s=a+b+c+d;
s=s/2;
x=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k)*cos(k);
if (x<0) printf("Invalid input\n");
else printf("%.4f\n",sqrt(x));
return 0;
}
|
40
|
19,547 |
double pai=3.1415926;
void main()
{
double a, b, c, d, x, y_hudu;
double s, S;
scanf("%lf", &a);
scanf("%lf", &b);
scanf("%lf", &c);
scanf("%lf", &d);
scanf("%lf", &x);
s = (a+b+c+d)/2;
y_hudu=(x/360)*pai;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(y_hudu)*cos(y_hudu)<0) printf("Invalid input");
else {S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(y_hudu)*cos(y_hudu));printf("%.4f",S);};
}
|
40
|
19,548 |
double f(double a,double b,double c,double d,double angle){
double s,S;
s = 0.5*(a+b+c+d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle/360*P)*cos(angle/360*P));
return S;}
int main()
{
double a,b,c,d,angle,s,m;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&angle);
s = 0.5*(a+b+c+d);
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle/360*P)*cos(angle/360*P);
if(m<0)
printf("Invalid input");
else
printf("%.4lf",f(a,b,c,d,angle));
return 0;
}
|
40
|
19,549 |
int main()
{
double a,b,c,d,s,S,p,t,k;
double r;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
scanf("%lf",&r);
k=r*PI/360;
t=cos(k);
p=pow(t,2);
s = (a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*p)<0)
{
printf("Invalid input");
}
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*p);
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
19,550 |
int main()
{
double a,b,c,d,S,s,p;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&p);
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(p*3.1415926/180/2)*cos(p*3.1415926/180/2));
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(p*3.1415926/180/2)*cos(p*3.1415926/180/2))<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
}
|
40
|
19,551 |
int main()
{
double a,b,c,d,s=0.00,n=0.00,m=0.00,j=0.00,k=0.00;
scanf("%lf\n",&a);
scanf("%lf\n",&b);
scanf("%lf\n",&c);
scanf("%lf\n",&d);
scanf("%lf",&m);
s=(a+b+c+d)/2;
k=cos(m*3.1415926/360)*cos(m*3.1415926/360);
n=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*k;
if(n<0)
printf("Invalid input");
else
{j=sqrt(n);
printf("%.4f",j);}
return 0;
}
|
40
|
19,552 |
float getSqrt(float S);
int main(int argc, char* argv[])
{
double a,b,c,d,e,s,S,f;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
f=360;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/f)*cos(e*PI/f));
if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/f)*cos(e*PI/f))>0)
printf("%.4lf\n",S);
else
printf("Invalid input\n");
return 0;
}
|
40
|
19,553 |
double square(double a,double b,double c,double d,double angel)
{
double ans,s;
s=(a+b+c+d)/2;
ans=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angel)*cos(angel));
return(ans);
}
void main()
{
double square(double,double,double,double,double);
double a,b,c,d,angel,ans,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angel);
s=(a+b+c+d)/2;
angel=angel*PI/360;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angel)*cos(angel)<0)
printf("Invalid input");
else
{
ans=square(a,b,c,d,angel);
printf("%.4f",ans);
}
}
|
40
|
19,554 |
int main ()
{
double a,b,c,d,m,S;
double s,n;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
s = (a+b+c+d)/2;
n=m*PI/360;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(n))*(cos(n)));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(n))*(cos(n))>=0){
printf("%.4f",S);
}
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(n))*(cos(n))<0){
printf("Invalid input");
}
return 0;
}
|
40
|
19,555 |
void main()
{
double a,b,c,d,t,z;
double area(double a,double b,double c,double d,double t);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&t);
z=area(a,b,c,d,t);
if(z<0)
printf("Invalid input");
else printf("%.4lf",sqrt(z));
}
double area(double a,double b,double c,double d,double t)
{ double y,s,PI = 3.1415926;
s=(a+b+c+d)/2;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(t/360*PI)*cos(t/360*PI);
return(y);
}
|
40
|
19,556 |
int main()
{
double PI=3.1415926;
double a, b, c, d, s, x, y, S;
scanf("%lf\n%lf\n%lf\n%lf\n", &a, &b, &c, &d);
s=(a+b+c+d)/2;
scanf("%lf", &x);
y=x*PI/360;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y)<0)
{
printf("Invalid input");
}
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y));
printf("%.4lf", S);
}
return 0;
}
|
40
|
19,557 |
double area(double a,double b,double c,double d,double angle){
double s,k,S;
s=(a+b+c+d)/2;
k=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
if(k>=0){
S=sqrt(k);
}else{
S=-1;
}
return S;
}
int main(int argc, char* argv[])
{
double a,b,c,d,angle,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
angle=angle/360*PI;
s=area(a,b,c,d,angle);
if(s==-1){
printf("Invalid input\n");
}else{
printf("%.4lf\n",s);
}
return 0;
}
|
40
|
19,558 |
int main()
{ double a,b,c,d,e,s;
double ss(double a1,double b1,double c1,double d1,double e1);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=ss(a,b,c,d,e);
if(s==-1){
printf("Invalid input");
}else{
printf("%.4lf",s);
}
return 0;
}
double ss(double a1,double b1,double c1,double d1,double e1)
{ double S,s,n;
s=(a1+b1+c1+d1)/2;
e1=PI*e1/360;
n=(s-a1)*(s-b1)*(s-c1)*(s-d1)-a1*b1*c1*d1*cos(e1)*cos(e1);
if(n>0){
S=sqrt(n);
return S;
}else if(n<0){
return -1;
}
}
|
40
|
19,559 |
int main(){
double a,b,c,d,s,x,Y;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=1.0/2*(a+b+c+d);
x/=2;
Y=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x*3.1415926/180)*cos(x*3.1415926/180));
if((s-a)*(s-b)*(s-c)*(s-d) < a*b*c*d*cos(x*3.1415926/180)*cos(x*3.1415926/180)){
printf("Invalid input");
}else{
printf("%.4lf",Y);
}
return 0;
}
|
40
|
19,560 |
float s2(float a,float b,float c,float d,float anglesum);
int main(int argc, char* argv[])
{
float a,b,c,d,anglesum,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&anglesum);
s=s2(a,b,c,d,anglesum);
if(s<0){
printf("Invalid input\n");
}else{
S=sqrt(s);
printf("%.4lf",S);
}
return 0;
}
float s2(float a,float b,float c,float d,float anglesum)
{
float s2,s;
s=(a+b+c+d)/2;
s2=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(anglesum*PI/360)*cos(anglesum*PI/360);
return s2;
}
|
40
|
19,561 |
double f(double a,double b,double c,double d,double e)
{
double z,s,j;
s=0.5*(a+b+c+d);
j=e*PI/360;
z=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j);
if(z>0)printf("%.4lf",sqrt(z));
else printf("Invalid input");
return z;
}
void main()
{
double a,b,c,d,e,s,z;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
f(a,b,c,d,e);
}
|
40
|
19,562 |
int main()
{
double S(double a,double b,double c,double d,double e);
double a1,b1,c1,d1,e1,e2;
scanf("%lf%lf%lf%lf%lf",&a1,&b1,&c1,&d1,&e1);
e2=e1/360*PI;
if(S(a1,b1,c1,d1,e2)==0){
printf("Invalid input\n");
}
else{
printf("%.4lf\n",S(a1,b1,c1,d1,e2));
}
return 0;
}
double S(double a,double b,double c,double d,double e)
{
double delta,s,S;
s=(a+b+c+d)/2;
delta=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e);
if(delta<0){
S=0;
}
else{
S=sqrt(delta);
}
return S;
}
|
40
|
19,563 |
int main()
{
double a,b,c,d,x,m,S,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
m=PI/180*x/2;
s = 1*(a+b+c+d)/2;
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\n",S);
else
printf("Invalid input\n",S);
return 0;
}
|
40
|
19,564 |
int main()
{
double A,B,C,D,E,F;
double s(double a,double b,double c,double d,double e);
scanf("%lf%lf%lf%lf%lf",&A,&B,&C,&D,&E);
F=s(A,B,C,D,E);
if (F==0)
printf("Invalid input");
else
printf("%.4lf",F);
return 0;
}
double s(double a,double b,double c,double d,double e)
{
double g,h,z;
g=(a+b+c+d)/2;
h=e/360*PI;
if (((g-a)*(g-b)*(g-c)*(g-d))>=0)
z=sqrt((g-a)*(g-b)*(g-c)*(g-d)-a*b*c*d*(cos(h))*(cos(h)));
else
z=0;
return z;
}
|
40
|
19,565 |
int main()
{
double a,b,c,d,e,f,s,S,g;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=e/180*3.1415926;
g=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f/2)*cos(f/2);
if(g<0)
printf("Invalid input");
else
{
S=sqrt(g);
printf("%.4lf",S);
}
return 0;
}
|
40
|
19,566 |
float surface(float a,float b,float c,float d,float o);
void main()
{
float a,b,c,d;
float o;
scanf("%f%f%f%f",&a,&b,&c,&d);
scanf("%f",&o);
if(surface(a,b,c,d,o)==-1)
printf("Invalid input");
else
printf("%.4f",surface(a,b,c,d,o));
}
float surface(float a,float b,float c,float d,float o){
float face,s;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(PI*o/360))*(cos(PI*o/360))<0)
{
return (-1);
}
else
face=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(PI*o/360))*(cos(PI*o/360))) ;
return face;
}
|
40
|
19,567 |
main()
{
double a,b,c,d,e;
cin>>a;
cin>>b;
cin>>c;
cin>>d;
cin>>e;
e=(e/180*3.1415926)/2;
double s,r;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e)<0)
cout<<"Invalid input";
else{
r=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e));
printf("%.4lf", r);
}
return(0);
}
|
40
|
19,568 |
void main(int argc,char*argv[])
{
double a,b,c,d,e,s,area,temp,angle;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
angle=pi*(e/360);
s=(a+b+c+d)/2;
temp=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
if(temp<0)
printf("Invalid input");
else
{
area=sqrt(temp);
printf("%.4f\n",area);
}
}
|
40
|
19,569 |
int main()
{
double a,b,c,d,angle,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
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");
else
printf("%.4lf",sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle/360*PI)*cos(angle/360*PI)));
return 0;
}
|
40
|
19,570 |
double i(double a,double b,double c,double d,double n)
{
double s,S,pi,k;
pi=3.1415926;
s=(a+b+c+d)/2;
k=n/180*pi;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k/2)*cos(k/2);
if(S<0)
printf("Invalid input");
else
printf("%.4lf",sqrt(S));
return 0;
}
int main()
{
double a,b,c,d,n;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&n);
i(a,b,c,d,n);
}
|
40
|
19,571 |
int main(int argc, char* argv[])
{
double a,b,c,d,e,s,S,f;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s = (a+b+c+d)/2;
f=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d* cos (e/2*3.1415926/180) * cos(e/2*3.1415926/180);
if (f>0)
{
S = sqrt(f);
printf("%.4lf",S);
}
else
printf("Invalid input");
}
|
40
|
19,572 |
main()
{
double a,b,c,d,s,e,n,m;
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/360*3.141592653)*cos(e/360*3.141592653);
if(m<0)printf("Invalid input\n");
else if(m>=0)
printf("%.4lf",sqrt(m));
}
|
40
|
19,573 |
double f(double a,double b,double c,double d,double e)
{
double i,k,s;
k=e/360*3.1415926;
s=(a+b+c+d)/2;
i=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k)*cos(k);
return i;
}
void main()
{
// double f(double a,double b,double c,double d,double e);
double S,a,b,c,d,e;
//scanf("%lf\n,%lf\n,%lf\n,%lf\n,%lf\n",&a,&b,&c,&d,&e);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
if(f(a,b,c,d,e)<0)
printf("Invalid input");
else
{S=sqrt(f(a,b,c,d,e));
printf("%.4lf",S);
}
}
|
40
|
19,574 |
int main ()
{
double a, b, c, d, e ,s, S,PI = 3.1415926;
cin >> a >> b >> c >> d >> e;
e = e * PI / 180;
s = ( a + b + c + d ) / 2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e / 2) * cos (e / 2) <= 0)
cout << "Invalid input" << endl;
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e / 2) * cos (e / 2));
cout << fixed << setprecision(4) << S << endl;
}
return 0;
}
|
40
|
19,575 |
float area(float a,float b,float c,float d,float s,float p);
float a,b,c,d,m;
float r,s,p=0,S,mj;
int main()
{
scanf("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&m);
mj=area(a, b, c, d, s, p);
if (mj<0)
printf("Invalid input\n");
else
printf("%.4f\n",mj);
return 0;
}
float area(float a,float b,float c,float d,float s,float p)
{
p=(m* PI)/(2*180);
s = (a+b+c+d)/2;
S = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p)*cos(p);
if (S>=0)
mj= sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p)*cos(p));
else
mj=-1;
return mj;
}
|
40
|
19,576 |
int main(){
double a,b,c,d;
double e,S,s,n;
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/360*PI)*cos(e/360*PI);
if(n>=0) printf("%.4lf",sqrt(n));
else printf("Invalid input");
return 0;
}
|
40
|
19,577 |
int main()
{
double a,b,c,d,aq,s,re;
cin>>a>>b>>c>>d>>aq;
if(a+b+c>d&&a+c+d>b&&a+b+d>c&&b+c+d>a)
{
s=(a+b+c+d)/2;
re=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(aq*Pi/360)*cos(aq*Pi/360));
printf("%.4lf",re);
}
else cout<<"Invalid input";
}
|
40
|
19,578 |
int main(int argc, char *argv[])
{
double a,b,c,d,alpha,area,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alpha);
s=(a+b+c+d)/2;
if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(alpha/2)*cos(alpha/2))>0)
{
area=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(alpha/360*pi)*cos(alpha/360*pi));
printf("%.4lf",area);
}
else printf("Invalid input");
return 0;
}
|
40
|
19,579 |
/*
* sibianxingmianji.cpp
*
* Created on: 2010-11-17
* Author: Administrator
*/
double S(double a,double b,double c,double d,double e){
double s=(a+b+c+d)/2;
double square=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(e*3.1415926/(2*180)),2.0);
return square;
}
int main(){
double a,b,c,d,e;
cin>>a>>b>>c>>d>>e;
double y=S(a,b,c,d,e);
if(y<0) cout<<"Invalid input"<<endl;
else cout<<fixed<<setprecision(4)<<sqrt(y)<<endl;
return 0;
}
|
40
|
19,580 |
int main(int argc, char* argv[])
{
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;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*pai/2/180)*cos(e*pai/2/180));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*pai/2/180)*cos(e*pai/2/180))<0)printf("Invalid input\n");
else printf("%.4lf\n",S);
return 0;
}
|
40
|
19,581 |
int main()
{
const double PI=3.1415926;
double a,b,c,d,alpha,s,sum,radalpha,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alpha);
a=(double)a;
b=(double)b;
c=(double)c;
d=(double)d;
alpha=(double)alpha;
s=(a+b+c+d)/2;
radalpha=alpha*PI/360.0;
sum=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(radalpha)*cos(radalpha);
if(sum<0)
printf("Invalid input");
else
{
S=sqrt(sum);
printf("%.4f",S);
}
return 0;
}
|
40
|
19,582 |
int main()
{
double area(double a,double b,double c,double d,double alpha);
double a,b,c,d,alpha;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&alpha);
if ((alpha>0)&&(alpha<360)&&(area(a,b,c,d,alpha)>0)){
printf("%.4f",area(a,b,c,d,alpha));
}
else printf("Invalid input");
return 0;
}
double area(double a,double b,double c,double d,double alpha)
{
double S,s;
s=(a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alpha/360*PI)*cos(alpha/360*PI));
return(S);
}
|
40
|
19,583 |
int main(){
double a,b,c,d;
double al;
double s,s0;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
s= (a+b+c+d)/2;
scanf("%lf",&al);
al=al/2;
al=3.1415926/180*al;
if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(al)*cos(al))<0) {
printf( "Invalid input");
}
else {
s0= sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(al)*cos(al));
printf("%.4lf",s0);
}
return 0;
}
|
40
|
19,584 |
int main(int argc, char* argv[])
{ double a,b,c,d;
double m,n;
double e,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
e=(a+b+c+d)/2;
n=3.1415926*m/360;
if((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*pow(cos(n),2)<0)
{
printf("Invalid input");
}
else{
s=sqrt((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*pow(cos(n),2));
printf("%.4f",s);
}
return 0;
}
|
40
|
19,585 |
int main()
{
double a;
double b;
double c;
double d;
double e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
double y;
if (((b+c+d-a)/2*(a+c+d-b)/2*(a+b+d-c)/2*(a+b+c-d)/2-a*b*c*d*cos(e*pi/360)*cos(e*pi/360))<0)
printf("Invalid input");
else {
y=sqrt((b+c+d-a)/2*(a+c+d-b)/2*(a+b+d-c)/2*(a+b+c-d)/2-a*b*c*d*cos(e*pi/360)*cos(e*pi/360));
printf("%.4f",y);
}
return 0;
}
|
40
|
19,586 |
int main()
{
double a,b,c,d,sita,s,tmp;
a=b=c=d=sita=s=tmp=0;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&sita);
s=(a+b+c+d)/2;
sita=sita*PI/360;
sita=cos(sita);
tmp=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*sita*sita;
if(tmp<0)
{
printf("Invalid input\n");
goto eof;
}
tmp=sqrt(tmp);
printf("%.4f",tmp);
eof:;
}
|
40
|
19,587 |
void 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;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(3.1415926*e/360)*cos(3.1415926*e/360));
S>0?printf("%.4lf",S):printf("Invalid input");
}
|
40
|
19,588 |
int main()
{
double area(double w,double x,double y,double z,double v);
double a,b,c,d,t,s,p,r;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&t);
s=0.5*(a+b+c+d);
r=PI*t/360;
if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(r)*cos(r))<0)
printf("Invalid input");
else
{
p=area(a,b,c,d,t);
printf("%.4lf",p);
}
}
double area(double w,double x,double y,double z,double v)
{
double s1,S;
s1=0.5*(w+x+y+z);
v=PI*v/360;
S = sqrt((s1-w)*(s1-x)*(s1-y)*(s1-z) - w*x*y*z*cos(v)*cos(v));
return(S);
}
|
40
|
19,589 |
double MyComputeArea();
int main()
{
double MyQuadrangleArea=0;
MyQuadrangleArea=MyComputeArea();
if(MyQuadrangleArea<0)
{
printf("Invalid input\n");
}
else
{
printf("%.4lf\n",MyQuadrangleArea);
}
return 0;
}
double MyComputeArea()
{
double MyQuadrangleArea=0;
double side1=0,side2=0,side3=0,side4=0,angle=0;
scanf("%lf",&side1);
scanf("%lf",&side2);
scanf("%lf",&side3);
scanf("%lf",&side4);
scanf("%lf",&angle);
double MyAngle=angle*PI/180.0;
//printf("%.4lf\n",MyAngle);
double s=0;
s=(side1+side2+side3+side4)/2.0;
//S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos2?);
if((s-side1)*(s-side2)*(s-side3)*(s-side4)-side1*side2*side3*side4*(1+cos(MyAngle))/2>=0)
{
MyQuadrangleArea=sqrt((s-side1)*(s-side2)*(s-side3)*(s-side4)-side1*side2*side3*side4*(1+cos(MyAngle))/2);
}
else
{
return -1;
}
return MyQuadrangleArea;
}
|
40
|
19,590 |
int main()
{
float a[4];
float s,S,angle,t;
int i;
for(i=0;i<4;i++)
scanf("%f\n",&a[i]);
scanf("%f",&angle);
s=(a[0]+a[1]+a[2]+a[3])/2;
t=cos(angle*pi/360);
S=sqrt((s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*t*t);
if((s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*t*t<0)printf("Invalid input");
else printf("%.4f",S);
}
|
40
|
19,591 |
double PI=3.1415926;
double area(double a,double b,double c,double d,double e);
int main(){
double x,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(e/2*PI/180)*cos(e/2*PI/180)>=0){
x=area(a,b,c,d,e);
printf("%.4lf",x);
}else{
printf("Invalid input");
}
return 0;
}
double area(double a,double b,double c,double d,double e){
double S;
double s;
double PI=3.1415926;
s=(a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e/2*PI/180)*cos(e/2*PI/180));
return S;
}
|
40
|
19,592 |
int main(){
double a,b,c,d,e,g;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
g=e/180*PI;
double f,s,S;
s=(double)1/2*(a+b+c+d);
f=(double)(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(g/2)*cos(g/2);
if(f>=0){S=(double)sqrt(f);
printf("%.4lf",S);}
else {printf("Invalid input");}
return 0;
}
|
40
|
19,593 |
void main()
{
double f(double,double,double,double,double);
double a,b,c,d,x,y,s;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&x);
y=f(a,b,c,d,x);
if (y>=0)
{ s=sqrt (y);
printf("%.4lf",s);
}
else
printf("Invalid input\n");
}
double f(double a,double b,double c,double d,double x)
{
double s,y,PI=3.1415926;
s=(a+b+c+d)/2;
x=(x/360)*PI;
y=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x));
return(y);
}
|
40
|
19,594 |
main()
{
double a[4];
double b,s;
for(int i=0;i<4;i++)
scanf("%lf",&a[i]);
scanf("%lf",&b);
b=PI*b/180/2;
s=0.5*(a[0]+a[1]+a[2]+a[3]);
s=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*cos(b)*cos(b);
if(s<0)
printf("Invalid input");
else
printf("%.4lf",sqrt(s));
}
|
40
|
19,595 |
float f(float x1,float x2,float x3,float x4);
main()
{
double S,a,b,c,d,x,s;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
x=x/360*3.1415926;
s=f(a,b,c,d);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)<0)printf("Invalid input");
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x));
printf("%.4lf",S);
}
}
float f(float x1,float x2,float x3,float x4)
{
float u;
u=(x1+x2+x3+x4)/2;
return(u);
}
|
40
|
19,596 |
void main()
{
double f(double a,double b,double c,double d,double x);
double a,b,c,d,x,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
f(a,b,c,d,x);
}
double f(double a,double b,double c,double d,double x)
{
double y,s,S,PI=3.1415926;
y=x/360*PI;
s=(a+b+c+d)/2.0;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y);
if(S<0)
printf("Invalid input");
else
printf("%.4lf",sqrt(S));
}
|
40
|
19,597 |
int main()
{
double a,b,c,d,de;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&de);
double aa;
aa=( de/2 )* PI / 180;
double S,s;
s = (a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(aa)*cos(aa));
if((s-a)*(s-b)*(s-c)*(s-d)>=0)
printf("%.4f\n",S);
else
printf("Invalid input");
return 0;
}
|
40
|
19,598 |
int main()
{
double a,b,c,d,s,S;
double e,x;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
e=cos(x/720*2*PI);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e*e);
if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e*e)<0)
printf("Invalid input\n");
if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e*e)>=0)
printf("%.4lf\n",S);
return 1;
}
|
40
|
19,599 |
int main()
{
double a,b,c,d,pi=3.1415926,S,s,j,m;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&j);
j=pi*j/360;
s=(a+b+c+d)/2;
m=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(j)*cos(j);
if(m<0)printf("Invalid input");
else
{
S=sqrt(m);
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
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