id
int32 0
32.5k
| code
stringlengths 95
8.4k
| label
stringclasses 65
values |
|---|---|---|
19,800 | int main()
{
double a,b,c,d;
double u,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&u);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(u/2*PI/180)*cos(u/2*PI/180));
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(u/2*PI/180)*cos(u/2*PI/180))<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,801 | int main()
{
double a,b,c,d,alf,s,S;
scanf("%lf", &a);
scanf("%lf", &b);
scanf("%lf", &c);
scanf("%lf", &d);
scanf("%lf", &alf);
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alf/360*3.1415926)*cos(alf/360*3.1415926));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alf/360*3.1415926)*cos(alf/360*3.1415926)<0)
printf("Invalid input");
else
printf("%.4lf", S);
return 0;
}
| 40 |
19,802 | void main()
{
double square(double a,double b,double c,double d,double angle);
double a,b,c,d,angle,s,S,ang;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&angle);
s=(a+b+c+d)/2;
ang=(angle/(double)360)*3.1415926;
{
if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(ang)*cos(ang))<0)
printf("Invalid input");
else
{
S=square(a,b,c,d,angle);
printf("%.4lf",S);
}
}
}
double square(double a,double b,double c,double d,double angle)
{
double S,s,ang;
s=(a+b+c+d)/2;
ang=(angle/(double)360)*3.1415926;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(ang)*cos(ang));
return(S);} | 40 |
19,803 | int main()
{
double a ,b,c,d,n,m,q,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&n);
m=n/2;
s=(a+b+c+d)/2;
q=3.1415926*m/180;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q)<0){
printf("Invalid input");
}else if ((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q)>0){
s=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q));
printf("%.4lf",s);
}
return 0;
} | 40 |
19,804 | int main ()
{
double a, b, c, d, m, s;
scanf("%lf%lf%lf%lf%lf", &a, &b, &c, &d, &m);
m=m/360*3.1415926;
s=1.0/2*(a+b+c+d);
s= (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(m)*cos(m);
if (s<0)
printf("Invalid input\n");
else printf("%.4f\n", sqrt(s));
return 0;
}
| 40 |
19,805 | int main()
{
double a,b,c,d,e,s,S;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2.0;
if (((s-a)*(s-b)*(s-c)*(s-d))<=0) {
printf("Invalid input\n");
}
else{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*e/360.0)*cos(PI*e/360.0));
printf("%.4lf\n",S);
}
return 0;
}
| 40 |
19,806 | int main()
{
float a,b,c,d,e,s,r;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
r=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e/180*p/2)*cos(e/180*p/2);
if(r<0)
{
printf("Invalid input");
}
if(r>=0)
{
printf("%.4f",sqrt(r));
}
return 0;
} | 40 |
19,807 | int main()
{
double arrey[5] ;
double m;
int i ;
for(i=0 ; i<5 ; i++ )
{
scanf("%lf" , &m );
arrey[i]=m ;
}
double s , f , k ;
k=(arrey[4]*PI)/360 ;
s = (double)1/2*(arrey[0]+arrey[1]+arrey[2]+arrey[3]);
if ( ((s-arrey[0])*(s-arrey[1])*(s-arrey[2])*(s-arrey[3]) - arrey[0]*arrey[1]*arrey[2]*arrey[3]*cos(k)*cos(k))>=0 )
{
f = sqrt((s-arrey[0])*(s-arrey[1])*(s-arrey[2])*(s-arrey[3]) - arrey[0]*arrey[1]*arrey[2]*arrey[3]*cos(k)*cos(k));
printf ("%.4f" , f );
}
else
printf ("Invalid input");
return 0;
}
| 40 |
19,808 |
int pd=0;
double S(double a,double b,double c,double d,double angle)
{
double s,t;
s = (a+b+c+d)/2;
t = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle)*cos(angle);
if (t<0)
{
pd = 1;
return 0;
}
else
return (sqrt(t));
}
int main()
{
double a,b,c,d,angle,ans;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
angle = angle * PI / 360;
ans = S(a,b,c,d,angle);
if (pd)
printf("Invalid input");
else
printf("%.4lf",ans);
return 0;
}
| 40 |
19,809 | void main()
{
void mianji(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);
mianji(a,b,c,d,e);
}
void mianji(double a,double b,double c,double d,double e)
{
double s,genghaonei;
s=(a+b+c+d)/2;
genghaonei=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926);
if(genghaonei<0)
printf("Invalid input");
else
{
double jieguo;
jieguo=sqrt(genghaonei);
printf("%.4lf",jieguo);
}
} | 40 |
19,810 | int main()
{
double a[5],S,s,q,w;
scanf("%lf%lf%lf%lf%lf",&(a[1]),&(a[2]),&(a[3]),&(a[4]),&(a[5]));
s=(a[1]+a[2]+a[3]+a[4])/2;
w=(a[5]*PI)/360;
q=(s-a[1])*(s-a[2])*(s-a[3])*(s-a[4])-a[1]*a[2]*a[3]*a[4]*cos(w)*cos(w);
if(q>=0)
{
S=sqrt(q);
printf("%.4lf",S);
}
else
{
printf("Invalid input");
}
return 0;
}
| 40 |
19,811 |
int main(int argc, char* argv[])
{
double a=0,b=0,c=0,d=0,n=0;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&n);
double s=1.0/2*(a+b+c+d);
double g=n/360*PI;
double f=cos(g);
double S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*f*f);
if((s-a)*(s-b)*(s-c)*(s-d)<0){
printf("Invalid input");}
else{
printf("%.4f",S);};
return 0;
}
| 40 |
19,812 | double area(double a1, double b1 ,double c1, double d1, double e1);
int main()
{
double a,b,c,d,e;
double S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
S=area(a,b,c,d,e);
if(S==-1)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
double area(double a1, double b1,double c1, double d1, double e1)
{
double s,y,S;
s = (a1+b1+c1+d1)/2;
y=(double)(s-a1)*(s-b1)*(s-c1)*(s-d1) - a1*b1*c1*d1*cos(e1/360.0*PI)*cos(e1/360.0*PI);
if(y<0)
{
S=-1;
}
else
{
S=(double)sqrt((s-a1)*(s-b1)*(s-c1)*(s-d1) - a1*b1*c1*d1*cos(e1/360.0*PI)*cos(e1/360.0*PI));
}
return S;
} | 40 |
19,813 |
int main(int argc, char* argv[])
{ double a,b,c,d,e,s,S;
double pl = 3.1415926;
double x;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
x=e/360*pl;
s = (a+b+c+d)/2;
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("%.4f",S);
else if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x)*cos(x))<0)printf("Invalid input");
return 0;
}
| 40 |
19,814 | int main()
{
double a,b,c,d,p,S,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
p=(a+b+c+d)/2;
m=m*3.1415926/180;
if ((p-a)*(p-b)*(p-c)*(p-d)-a*b*c*d*(cos(m))*(cos(m))<0)
printf("Invalid input") ;
else
{S=sqrt((p-a)*(p-b)*(p-c)*(p-d)-a*b*c*d*(cos(m/2))*(cos(m/2)));
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,815 | void main()
{
double a,b,c,d,j,s,S;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&j);
j=j/360*3.1415926;
j=cos(j);
j=j*j*a*b*c*d;
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-j;
if(S<0) printf("Invalid input");
else
{
S=sqrt(S);
printf("%.4lf",S);
}
} | 40 |
19,816 |
int main()
{
double S,s,a,b,c,d,angle,angle2;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&angle);
s=(a+b+c+d)/2;
angle2=((angle/(double)2)/((double)180))*pi;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((angle/180)*pi))<0)
{
printf("Invalid input");
}
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle2)*cos(angle2));
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,817 | int main()
{
double a,b,c,d;
double A;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&A);
double s=(a+b+c+d)/2;
double B=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(A/360*PI)*cos(A/360*PI);
if(B<0)
printf("Invalid input");
else
{
double H=(double)sqrt(B);
printf("%.4lf",H);
}
return(0);
}
| 40 |
19,818 |
int main()
{ double S,s,a,b,c,d,e;
double f;
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/2*(3.1415926/180))*cos(e/2*(3.1415926/180));
S = sqrt(f);
if (f<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
} | 40 |
19,819 | int main()
{
float a, b, c, d, s;
double S, m, e;
scanf("%f%f%f%f", &a, &b, &c, &d);
scanf("%lf", &e);
m = (e*3.1415926)/(2*180);
s = 0.5*(a+b+c+d);
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(m)*cos(m)<0 )
{
printf("Invalid input");
}
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(m)*cos(m));
printf("%.4lf", S);
}
return 0;
}
| 40 |
19,820 | int main(int argc, char* argv[])
{
double S,s,a,b,c,d,e;
double f;
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/2*(3.1415926/180))*cos(e/2*(3.1415926/180));
S = sqrt(f);
if (f<0){
printf("Invalid input");
}
else {
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,821 | int main()
{
double a,b,c,d,r,s,S;
double result(double,double,double,double,double);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&r);
S=result(a,b,c,d,r);
if(S!=0)
printf("%.4lf",S);
return 0;
}
double result(double a,double b,double c,double d,double r)
{
double s,S;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*r/360)*cos(PI*r/360)>=0)
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*r/360)*cos(PI*r/360));
else
{
printf("Invalid input");
S=0;
}
return S;
}
| 40 |
19,822 |
void main()
{
double a,b,c,d,e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
void square(double,double,double,double,double);
square(a,b,c,d,e);
}
void square(double a,double b,double c,double d,double e)
{
double s,o,S,f;
f=e/2;
s=(a+b+c+d)/2;
o=(PI*f)/180;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o)*cos(o))<0)
printf("Invalid input\n");
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o)*cos(o));
printf("%.4lf",S);}
}
| 40 |
19,823 | // ????????????.cpp : ??????????????
//
int main()
{//declaration
double a,b,c,d,s,S,angle2,angle,S2;
const double Pi=3.1415926;
//input
scanf("%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d);
scanf("%lf",&angle2);
//process
angle=angle2/2*2*Pi/360;
s=(a+b+c+d)/2;
S2=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
if(S2>0)printf("%.4f",sqrt(S2));
else printf("Invalid input");
return 0;
}
| 40 |
19,824 | double area(double a,double b,double c ,double d,double e );
int main()
{
double a,b,c,d,e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
if(area(a,b,c,d,e)==-1)
{
printf("Invalid input");
}
else
{
printf("%.4lf",area(a,b,c,d,e));
}
}
double area(double a,double b,double c ,double d,double e )
{
double S,s,x,y;
s=(a+b+c+d)/2.0;
y=e*3.1415926/360.0;
x=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y);
if (x>=0)
{
S=sqrt(x);
return S;
}
else
{
return(-1);
}
}
| 40 |
19,825 | int main()
{ double a,b,c,d,jiao;int fanhui;
double mianji(double aa,double bb,double cc,double dd,double jiaojiao);
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&jiao);
c=mianji(a,b,c,d,jiao);
if(c==0)printf("Invalid input");
else printf("%.4f",c);
getchar();
getchar();
}
double mianji(double aa,double bb,double cc,double dd,double jiaojiao)
{ double s,ban,panduan,fanhui;
ban=(jiaojiao*0.01745329)/2.0000;
s=(aa+bb+cc+dd)/2.0000;
panduan=(s-aa)*(s-bb)*(s-cc)*(s-dd)-aa*bb*cc*dd*cos(ban)*cos(ban);
if(panduan>0)fanhui=sqrt(panduan);
else fanhui=0;
return fanhui;} | 40 |
19,826 | int main(int argc, char* argv[])
{
double a,b,c,d,y,x,S,s,m;
scanf ("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
y=x*PI/180;
m=cos(y/2);
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\n",S);
}
return 0;
} | 40 |
19,827 | double abc(double x,double y,double z,double w)
{
double s;
s=(x+y+z+w)/2;
return s;
}
double abcd(double x,double y,double z,double w,double e)
{
double S,d;
d=abc(x,y,z,w);
S=sqrt((d-x)*(d-y)*(d-z)*(d-w) - x*y*z*w*cos(e/180*pi)*cos(e/180*pi));
return S;
}
void main()
{
double a,b,c,d,h,e,j;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&h);
e=h/2.0;
j=abcd(a,b,c,d,e);
if(j>=0)
printf("%.4lf",j);
else
printf("Invalid input");
} | 40 |
19,828 |
int main(int argc, char* argv[])
{
float a,b,c,d;
double e,f,g,h,i,s;
scanf("%f%f%f%f%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
h=e/360*pi;
f=cos(h);
i=f*f;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*i<0)
printf("Invalid input\n");
else
{
g=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*i);
printf("%.4f\n",g);
}
return 0;
}
| 40 |
19,829 |
double sqare(double a,double b,double c,double d,double angle);
void main()
{
double a,b,c,d,angle;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
double s=sqare(a,b,c,d,angle);
if(sqare(a,b,c,d,angle)==-1)
printf("Invalid input\n");
else
printf("%.4lf\n",s);
}
double sqare(double a,double b,double c,double d,double angle)
{
double sq,s,alfa;
alfa=PI*angle/360;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(alfa),2))<0)
return -1;
else
{
sq=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(alfa),2));
return sq;
}
}
| 40 |
19,830 | int main(int argc, char* argv[])
{
double a,b,c,d,e,s,t,g,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
g=e*3.1415926/360;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) -a*b*c*d*cos(g)*cos(g));
t=(s-a)*(s-b)*(s-c)*(s-d) -a*b*c*d*cos(g)*cos(g);
if (t>=0)
{
printf("%.4f\n",S);
}
else
{
printf("Invalid input\n");
}
return 0;
} | 40 |
19,831 | int main()
{ double PI;
double a,b,c,d;
double f,e;
double s,S;
PI=3.1415926;
scanf("%lf%lf%lf%lf", &a, &b, &c, &d);
scanf("%lf", &f);
e = f*2*PI/360;
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("%.4lf", S);
}
else printf("Invalid input");
return 0;
} | 40 |
19,832 | int main(){
int i;
double a,b,c,d,e,f,s,S,p,sz[5];
for(i=0;i<5;i++){
scanf("%lf",&sz[i]);
}
a=sz[0];
b=sz[1];
c=sz[2];
d=sz[3];
e=sz[4];
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");
}
else{
S=sqrt(p);
printf("%.4lf",S);
}
return 0;
} | 40 |
19,833 | 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;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/360)*cos(e*PI/360));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/180))<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
} | 40 |
19,834 |
int main(int argc, char* argv[])
{
double a,b,c,d,A,S;
cin>>a>>b>>c>>d;
cin>>A;
const double s=(a+b+c+d)/2;
const double pi=3.1415926;
if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(A/180*pi/2),2))<0) cout<<"Invalid input"<<endl;
else
{S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(A/180*pi/2),2));
cout<<fixed<<setprecision(4)<<S<<endl;}
return 0;
} | 40 |
19,835 | const double pi=3.1415926;
int main()
{
double t , a , b , c , d , x , s ;
cin>>a>>b>>c>>d>>x;
s=(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos( x*pi/360 )*cos( x*pi/360 );
if( t<0 ) cout<<"Invalid input";
else printf("%.4f",sqrt(t));
} | 40 |
19,836 | double S(double a,double b,double c,double d,double e);
int main(){
double bian[4],jiao,banjiao;
double z;
int i;
for(i=0;i<4;i++){
scanf("%lf",&bian[i]);
}
scanf("%lf",&jiao);
banjiao=jiao/360.0*PI;
z=S(bian[1],bian[2],bian[3],bian[0],banjiao);
if(z>0){
printf("%.4lf",z);
}else{
printf("Invalid input");
}
return 0;
}
double S(double a,double b,double c,double d,double e){
double jieguo,s,zhi;
s=(a+b+c+d)/2.0;
zhi=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(e),2);
jieguo=sqrt(zhi);
return(jieguo);
}
| 40 |
19,837 | int main()
{
double a,b,c,d,e,f,s,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
f=e*PI/180;
if( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f/2)*cos(f/2)>0)
{
m = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f/2)*cos(f/2));
printf("%.4lf\n",m);
}
else
{
printf("Invalid input");
}
return 0 ;
}
| 40 |
19,838 | void f(double a,double b,double c,double d,double alpha)
{
double s;
double result;
alpha=alpha*3.1415926535898/180;
s=(a+b+c+d)/2;
result= (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alpha/2)*cos(alpha/2);
if(result<0)
printf("Invalid input\n");
else
{
result=sqrt(result);
printf("%.4lf",result);
}
}
main()
{
double a,b,c,d;
double alpha;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&alpha);
f(a,b,c,d,alpha);
} | 40 |
19,839 | int main ()
{
double a,b,c,d,x,s,y,mj;
double const pi=3.1415926;
cin>>a>>b>>c>>d>>x;
s=(a+b+c+d)/2;
y=x/360.0*pi;
if ((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y)<0)
cout<<"Invalid input"<<endl;
else
{
mj=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y));
cout<<fixed<<setprecision(4)<<mj<<endl;
}
return 0;
}
| 40 |
19,840 | double f(double a,double b,double c,double d,double e)
{
double s,S;
e=e/180*3.1415926;
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-(a*b*c*d*cos(e/2)*cos(e/2));
if(S<0){return 0;}
else S=sqrt(S);
return S;
}
int main(){
double a,b,c,d,e,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
S=f(a,b,c,d,e);
if(S==0){printf("Invalid input");}
else printf("%.4lf",S);
return 0;
}
| 40 |
19,841 | int main()
{
float a,b,c,d,e;
float s;
float m,n,p,q;
float t;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s=a+b+c+d;
s=s/2;
m=s-a;
n=s-b;
p=s-c;
q=s-d;
t=m*n*p*q-a*b*c*d*(cos(e*PI/360.0))*(cos(e*PI/360.0));
if (t<0)
printf("Invalid input");
else
{
t=sqrt(t);
printf("%.4f",t);
}
return 0;
}
| 40 |
19,842 | main()
{
double a,b,c,d,m,n,s;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&m);
s=(a+b+c+d)/2;
n=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((PI*m)/180/2)*cos((PI*m)/180/2);
if (n<0)
printf ("Invalid input");
else
printf("%.4lf",sqrt(n));
} | 40 |
19,843 | int main()
{
double a,b,c,d;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
double x;
scanf("%lf",&x);
double s;
s = (a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x*PI/360)*cos(x*PI/360))>=0){
printf("%.4lf\n",sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x*PI/360)*cos(x*PI/360)));
}
else{
printf("Invalid input\n");
}
return 0;
} | 40 |
19,844 | int main()
{
float a,b,c,d,s,S,m,n;
float A,e;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&A);
s=(float)(a+b+c+d)/2;
n=(s-a)*(s-b)*(s-c)*(s-d);
e=(float)A*3.1415926/360;
m=a*b*c*d*cos(e)*cos(e);
if(n<0)
printf("Invalid input\n");
else
{
S=sqrt(n-m);
printf("%.4f\n",S);
}
return 0;
} | 40 |
19,845 |
double s(double a,double b,double c,double d)
{
double s;
s=(a+b+c+d)/2;
return (s);
}
double cos2(double r)
{
double k,i;
k=cos(r/2*3.1415926/180);
i=k*k;
return (i);
}
void main()
{
double S,temp;
double a, b, c, d, r;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&r);
temp=(s(a,b,c,d)-a)*(s(a,b,c,d)-b)*(s(a,b,c,d)-c)*(s(a,b,c,d)-d) - a*b*c*d*cos2(r);
if (temp<0)
printf("Invalid input\n");
else
{
S=sqrt(temp);
printf("%.4lf",S);
}
}
| 40 |
19,846 | int main()
{
double a,b,c,d,e,f,t,h,s,m,z;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&m);
f=3.1415926;
e=(a+b+c+d)*1.0/2;
h=m*f/360;
t=a*b*c*d*cos(h)*cos(h);
z=(e-a)*(e-b)*(e-c)*(e-d)-t;
if(z>0){
s=sqrt((e-a)*(e-b)*(e-c)*(e-d)-t);
printf("%.4lf\n",s);}
else
printf("Invalid input");
return 0;}
| 40 |
19,847 | int main()
{
double a,b,c,d,x,s,S,y,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
double f(double a,double b,double c,double d,double m);
y=(PI*x)/360;
m=cos(y);
if(m<0||(int)(10000*m)==0)
printf("Invalid input\n");
else
{
S=f(a,b,c,d,m);
printf("%.4lf\n",S);
}
return 0;
}
double f(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*m*m);
return S;
}
| 40 |
19,848 | int main()
{
double a,b,c,d,e,s,S;
scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&e);
if(0<=e&&e<=360)
{
s = (a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((e*PI)/(180*2))*cos((e*PI)/(180*2)));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((e*PI)/(180*2))*cos((e*PI)/(180*2))<0)
{printf("Invalid input");}
else
{ printf("%.4lf",S);}
}
return 0;
}
| 40 |
19,849 | int main()
{
double a,b,c,d,m,n,x,s,S,t;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&m);
x=m*pi/360;
n=cos(x);
s=(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d);
if((t-a*b*c*d*n*n)<0)
printf("Invalid input\n");
else
{
S=sqrt(t-a*b*c*d*n*n);
printf("%.4lf",S);
}
return 0;
} | 40 |
19,850 | main()
{
float a,b,c,d;
float n;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&n);
float s;
float h=180;
s=(a+b+c+d)/2;
h=n/180*3.1415926;
float S;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((double)h/2)*cos((double)h/2)<0)
{ printf("Invalid input"); }
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((double)h/2)*cos((double)h/2));
printf("%.4f",S);
}
}
| 40 |
19,851 | double f(double a,double b,double c,double d,double e)
{
double s,S;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(e))*(cos(e)));
return S;
}
void main()
{
double a,b,c,d,e,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
e=e*PI/360;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(e))*(cos(e))<0)
{
printf("Invalid input");
}
else
{
S=f(a,b,c,d,e);
printf("%.4lf",S);
}
} | 40 |
19,852 |
double a,b,c,d,angle,S,s;
int main(int argc, char* argv[])
{
double square(double x1,double x2,double x3,double x4,double beta);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
angle=angle/180*PI;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle/2)*cos(angle/2)<0){
printf("Invalid input");}
else printf("%.4lf",square(a,b,c,d,angle));
return 0;
}
double square(double x1,double x2,double x3,double x4,double beta){
S=sqrt((s-x1)*(s-x2)*(s-x3)*(s-x4)-x1*x2*x3*x4*cos(beta/2)*cos(beta/2));
return S;
} | 40 |
19,853 |
double s,s2;
double size(double x);
int main()
{
double a,b,c,d,jd;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jd);
s=(a+b+c+d)/2;
s2=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jd/180*PI/2)*cos(jd/2/180*PI);
if(s2>=0)
printf("%.4lf",size(s2));
else
printf("Invalid input");
return 0;
}
double size(double x){
return sqrt(s2);
}
| 40 |
19,854 |
int main()
{
double a,b,c,d,tah,s,tot,tahc;
int ta;
scanf("%lf%lf%lf%lf%d",&a,&b,&c,&d,&ta);
tah=((double)ta)/360*PI;
s = 0.5*(a+b+c+d);
tahc=cos(tah);
tot = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*tahc*tahc;
if (tot>=0)
printf("%.4lf",sqrt(tot));
else printf("Invalid input");
return 0;
}
| 40 |
19,855 |
int main(int argc, char *argv[])
{
float a,b,c,d,e,s,t=0,m;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos((e*3.1415926)/360),2);
if(m<0)
printf("Invalid input");
else {t=sqrt(m);
printf("%.4f",t);}
return 0;
}
| 40 |
19,856 | double s(double a,double b,double c,double d,double t)
{
double s,u,ar;
s=(a+b+c+d)/2;
u=(t*PI)/360;
ar=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(u)*cos(u);
return(ar);
}
int main()
{
double a,b,c,d,t,area;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&t);
area=s(a,b,c,d,t);
if(area<0) printf("Invalid input");
else
{
area=sqrt(area);
printf("%.4lf",area);
}
return 0;
} | 40 |
19,857 | int main()
{
double a,b,c,d,e,s,t,pi,ang;
scanf("%lf\n",&a);
scanf("%lf\n",&b);
scanf("%lf\n",&c);
scanf("%lf\n",&d);
scanf("%lf",&ang);
pi=3.1415926;
s=(a+b+c+d)/2;
e=ang*pi/180;
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2)*cos(e/2);
if(t<0)printf("Invalid input");
else
printf("%.4lf\n",sqrt(t));
}
| 40 |
19,858 |
void main()
{
double a=0,b=0,c=0,d=0,s=0,S_1=0,S_2=0,alpha_2=0;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alpha_2);
s=(a+b+c+d)/2;
S_2=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(alpha_2/360*PI)*cos(alpha_2/360*PI);
if(S_2<0)
{printf("Invalid input\n");}
else
{
S_1=sqrt(S_2);
printf("%.4f",S_1);
}
} | 40 |
19,859 | int main()
{
int i;
double a[4],c,s,S,l;
for(i=0;i<4;i++)
{
scanf("%lf",&a[i]);
}
scanf("%lf",&c);
c=c*PI/180;
s=(a[0]+a[1]+a[2]+a[3])/2;
l=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*cos(c/2)*cos(c/2);
if(l<0)
printf("Invalid input\n");
else
{
S=sqrt(l);
printf("%.4lf\n",S);
}
}
| 40 |
19,860 |
double Area(double a, double b, double c, double d, double alpha);
int main()
{
double a, b, c, d, alpha0, area;
scanf("%lf %lf %lf %lf %lf", &a, &b, &c, &d, &alpha0);
area = Area(a, b, c, d, alpha0*(PI/360));
if (area==-1)
printf("Invalid input\n");
else
printf("%0.4lf\n", area);
return 0;
}
double Area(double a, double b, double c, double d, double alpha)
{
double s, sqarea, area;
s = 0.5*(a+b+c+d);
sqarea = (s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(alpha),2);
if (sqarea>=0)
area = sqrt(sqarea);
else
return -1;
return area;
} | 40 |
19,861 | main()
{
double a,b,c,d,k;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&k);
double s=(a+b+c+d)/2;
double t=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(k*PI/360))*(cos(k*PI/360)));
if(t<0) printf("Invalid input\n");
else printf("%.4lf\n",sqrt(t));
}
| 40 |
19,862 | double s(double a,double b,double c,double d,double q);
void main()
{
double a,b,c,d,q,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
S=s(a,b,c,d,q);
if (S==-1) printf("Invalid input");
else printf("%.4f",S);
}
double s(double a,double b,double c,double d,double q)
{
double m,angle,r,n;
angle=q/360*3.1415926;
m=(a+b+c+d)/2;
n=(m-a)*(m-b)*(m-c)*(m-d)-a*b*c*d*cos(angle)*cos(angle);
if(n<0) r=-1;
else {r=sqrt(n);}
return r;
}
| 40 |
19,863 | int main()
{
double a,b,c,d,i,S,A;
scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&i);
A = (1.0/2*(a+b+c+d)-a)*(1.0/2*(a+b+c+d)-b)*(1.0/2*(a+b+c+d)-c)*(1.0/2*(a+b+c+d)-d) - a*b*c*d*(cos(PI*i/360))*(cos(PI*i/360));
if(A>0)
{
S = sqrt((1.0/2*(a+b+c+d)-a)*(1.0/2*(a+b+c+d)-b)*(1.0/2*(a+b+c+d)-c)*(1.0/2*(a+b+c+d)-d) - a*b*c*d*(cos(PI*i/360))*(cos(PI*i/360)));
printf("%.4lf",S);
}
if(A<0)
{
printf("Invalid input");
}
return 0;
}
| 40 |
19,864 | int main()
{
double a,b,c,d,e,f,m,s,n;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=e*PI/360;
m=sqrt(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f)));
n=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if(n>=0)
printf("%.4lf\n",m);
else
printf("Invalid input\n");
return 0;
}
| 40 |
19,865 |
double S(double a, double b, double c, double d, double e)
{
double s=(a+b+c+d)/2;
double p=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(e),2);
if(p<0)
return -1;
else
return sqrt(p);
}
int main()
{
double a, b, c, d, e, j;
scanf("%lf%lf%lf%lf%lf", &a, &b, &c, &d, &j);
e=j/2*PI/180;
if(S(a, b, c, d, e)==-1)
printf("Invalid input\n");
else
printf("%.4f\n", S(a, b, c, d, e));
return 0;
} | 40 |
19,866 | void main()
{
double a=0,b=0,c=0,d=0,t=0;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&t);
double p=0,s=0;
t=t/360*PAI;
p=(a+b+c+d)/2;
s=(p-a)*(p-b)*(p-c)*(p-d)-a*b*c*d*cos(t)*cos(t);
if(s<0)
printf("Invalid input");
else
{
s=sqrt(s);
printf("%.4lf",s);
}
} | 40 |
19,867 | int main(int argc, char* argv[])
{
double a,b,c,d,x,y;
double s;
double S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s = (a+b+c+d)/2;
y=x/360*PI;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(y)*cos(y));
if(S>=0){
printf("%.4lf",S);
}
else{
printf("Invalid input");}
return 0;
}
| 40 |
19,868 | int main()
{
double a,b,c,d;
scanf("%lf%lf%lf%lf", &a, &b, &c, &d);
double e;
scanf("%lf", &e);
double area;
double s;
s=(a+b+c+d)/2;
area=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*e/180/2)*cos(PI*e/180/2);
if(area<0)
printf("Invalid input");
else
printf("%.4lf", sqrt(area));
return 0;
}
| 40 |
19,869 | main()
{
double a,b,c,d,s,ang;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&ang);
s=(a+b+c+d)/2;
ang=ang*3.1415926/180;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ang/2)*cos(ang/2)<0)
printf("Invalid input");
else
printf("%.4lf",sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ang/2)*cos(ang/2)));
getchar();
getchar();
}
| 40 |
19,870 |
int main()
{
double a,b,c,d,e,i;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
e=e/180*3.1415926;
i=(a+b+c+d)/2;
if((i-a)*(i-b)*(i-c)*(i-d)-a*b*c*d*cos(e/2)*cos(e/2)>=0)
printf("%.4lf",sqrt((i-a)*(i-b)*(i-c)*(i-d)-a*b*c*d*cos(e/2)*cos(e/2)));
else
printf("Invalid input");
return 0;
} | 40 |
19,871 |
int main(int argc, char* argv[])
{
double a,b,c,d;
double inside;
double s;
double rad,S;
double angle;
scanf("%lf""%lf""%lf""%lf",&a,&b,&c,&d);
scanf("%lf",&angle);
s=(a+b+c+d)/2;
rad=angle/360*PI;
inside=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(rad)*cos(rad);
if (inside>=0)
{
S=sqrt(inside);
printf("%.4lf",S);
}
else
{
printf("Invalid input\n");
}
return 0;
} | 40 |
19,872 | void main()
{
float a,b,c,d,s,angle2;
double S,sum,PI=3.1415926,angle;
scanf("%f%f%f%f",&a,&b,&c,&d);
s=(a+b+c+d)/2;
scanf("%f",&angle2);
angle=angle2/2/180*PI;
sum=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle)*cos(angle);
if(sum>=0)
{
S = sqrt(sum);
printf("%.4f",S);
}
else printf("Invalid input");
}
| 40 |
19,873 |
int main()
{
double a,b,c,d,e,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=1.0/2*(a+b+c+d);
double f=3.1415926*e/360;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f));
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(3.1415926*e/2/180)*cos(3.1415926*e/2/180))<0)
printf("Invalid input\n");
else
printf("%.4lf",S);
return 0;
} | 40 |
19,874 | double area(double a,double b,double c,double d,double j)
{ double s,t,S,pi=3.1415926;
s=(double)(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos((double)(j*pi)/360)*cos((double)(j*pi)/360);
if(t<0)
return(-1);
else
S = (double)sqrt(t);
return(S);
}
int main()
{
double a,b,c,d,j,S;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&j);
S=area(a,b,c,d,j);
if(S==-1)
printf("Invalid input");
else
printf("%.4lf",S);
} | 40 |
19,875 | int main()
{
double a, b, c, d, p, q, s, x;
scanf("%lf", &a);
scanf("%lf", &b);
scanf("%lf", &c);
scanf("%lf", &d);
scanf("%lf", &p);
q=2*3.1415926*p/720;
x=(a+b+c-d)*(a+b-c+d)*(a-b+c+d)*(-a+b+c+d)/16-a*b*c*d*pow(cos(q),2);
if(x<0){
printf("Invalid input");
}
if(x>=0){
s=sqrt(x);
printf("%.4lf", s);
}
return 0;
}
| 40 |
19,876 |
int main()
{
float a,b,c,d,s,S;
float K;
double A,B;
scanf("%f%f%f%f",&a,&b,&c,&d);
scanf("%f",&K);
s = (a+b+c+d)/2;
A= K*PI/360;
B = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(A),2);
if(B>=0)
{ S = (B);
printf("%.4f\n",sqrt(S));
}
else
{ printf("Invalid input\n");
}
return 0;
} | 40 |
19,877 | double S(double a,double b,double c,double d,double degree){
double angle=degree/360*3.1415926;
double s=(a+b+c+d)/2;
double area=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(angle),2));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(angle),2)<0)
return -1;
else return area;
}
int main(){
double a,b,c,d,degree,area;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,°ree);
area=S(a,b,c,d,degree);
if(area==-1)
printf("Invalid input");
else
printf("%.4lf",area);
return 0;
} | 40 |
19,878 |
double f(double a,double b,double c,double d,double r)
{
double s,s1,s2,co;
s=0.5*(a+b+c+d);
r=r/180;
r=r/2;
r=r*PI;
co=cos(r);
s1=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*co*co;
if(s1<0) return 0;
s2=sqrt(s1);
return (s2);
}
int main()
{
double a,b,c,d,s1;
double r,s;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&r);
s1=f(a,b,c,d,r);
if(s1==0) printf("Invalid input");
else
printf("%.4f",s1);
}
| 40 |
19,879 |
double sqar(double f);
int main()
{
double a,b,c,d,e,f,g,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=0.5*(a+b+c+d);
g=e*PI/360;
f=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(g),2));
if(f>=0){
S=sqrt(f);
printf("%0.4lf",S);
}
else {
printf("Invalid input");
}
return 0;
}
| 40 |
19,880 | main()
{float a,b,c,d,s,p,k,i,j,m,n,g;
float pi=3.1415926;i=180;
scanf("%f",&a);scanf("%f",&b); scanf("%f",&c); scanf("%f",&d); scanf("%f",&k);
s=(a+b+c+d)/2;
j=(k/i)*pi;m=j/2;
p=(cos(m))*(cos(m));
n=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*p;
if(n<0) printf("Invalid input");
else {g=sqrt(n);
printf("%.4f",g);
}
}
| 40 |
19,881 | double space(double l1,double l2,double l3,double l4,double a)
{
double l0,pi=3.1415926;
l0=(l1+l2+l3+l4)/2;
return (sqrt((l0-l1)*(l0-l2)*(l0-l3)*(l0-l4)-l1*l2*l3*l4*cos(a*pi/360)*cos(a*pi/360)) );
}
int main ( )
{
double l1,l2,l3,l4,a,l0,pi=3.1415926;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&l1,&l2,&l3,&l4,&a);
l0=(l1+l2+l3+l4)/2;
if((l0-l1)*(l0-l2)*(l0-l3)*(l0-l4)-l1*l2*l3*l4*cos(a*pi/360)*cos(a*pi/360)>0)
printf("%.4lf\n",space(l1,l2,l3,l4,a));
else
printf("Invalid input\n");
return 0;
} | 40 |
19,882 | double mjs(double a,double b,double c,double d,double r)
{
double s;
s=(a+b+c+d)/2;
return (s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(3.1415926*r/360),2);
}
double mjS(double a,double b,double c,double d,double r)
{
double s;
s=(a+b+c+d)/2;
return sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(3.1415926*r/360),2));
}
int main ()
{
double a,b,c,d,r;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&r);
if(mjs(a,b,c,d,r)<0)
printf("Invalid input\n");
else printf("%.4lf\n",mjS(a,b,c,d,r));
return 0;
}
| 40 |
19,883 | int main()
{
double a,b,c,d,angle,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
s=(a+b+c+d)/2;
angle=2*PI*angle/360/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*d*c*(double)pow(cos(angle),2);
if(S<0)
printf("Invalid input");
else
{
S=sqrt(S);
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,884 |
int main(int argc, char* argv[])
{
double a,b,c,d,v,s,S,PI=3.1415926;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&v);
s=(double)(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*v/360)*cos(PI*v/360)<0)
{
printf("Invalid input");
}
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*v/360)*cos(PI*v/360));
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,885 | int main(){
double a,b,c,d,f,S,s;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&f);
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((f/2)/180*PI)*cos((f/2)/180*PI));
if ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f/2)*cos(f/2)<0){
printf("Invalid input");
}else{
printf("%.4lf",S);
}
return 0;
} | 40 |
19,886 |
int main()
{
double a,b,c,d,du,s,t;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&du);
s=(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(du*3.1415926/360)*cos(du*3.1415926/360);
if(t<0)
printf("Invalid input");
else
printf("%.4lf",sqrt(t));
return 0;
} | 40 |
19,887 | double s(double a,double b,double c,double d,double f);
int main()
{
double a,b,c,d,e,f;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
f=e*3.1415926/180;
if(s(a,b,c,d,f)==-1)
{
printf("Invalid input");
}
else
{
printf("%.4lf",s(a,b,c,d,f));
}
}
double s(double a,double b,double c,double d,double f)
{
double p,t,m,n;
m=f/2;
t=(a+b+c+d)/2;
n=(t-a)*(t-b)*(t-c)*(t-d) - a*b*c*d*cos(m)*cos(m);
if(n>=0)
{
p=sqrt(n);
return(p);
}
else
{
return(-1);
}
} | 40 |
19,888 | int main()
{
double a,b,c,d,t,s,f,n,x;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&t);
s =(double) 1/2*(a+b+c+d);
n=(double)3.1415926*2*t/360;
x=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(1+cos(n))/2;
if (x>=0)
{
f=(double) sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(1+cos(n))/2);
printf("%.4lf",f);
}
else printf("Invalid input");
return 0;
}
| 40 |
19,889 | float find(float a,float b,float c,float d,float p)
{
float s=(a+b+c+d)/2,k,temp,q;
q=p*asin(1)/180;
temp=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(q)*cos(q);
if(temp>=0)
{
k=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(q)*cos(q));
}
else
{
k=0;
}
return k;
}
int main()
{
float a,b,c,d,p,k;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&p);
k=find(a,b,c,d,p);
if(k==0)
{
printf("Invalid input");
}
else
{
printf("%.4f",k);
}
return 0;
}
| 40 |
19,890 | int main()
{
double a,b,c,d,s,l,S,x,PI = 3.1415926;
cin>>a;
cin>>b;
cin>>c;
cin>>d;
cin>>l;
s=(a+b+c+d)*1.0/2;
x=(s-a)*(s-b)*(s-c)*(s-d);
if(x>=0)
{
l=l*PI/360;
S=sqrt(x-a*b*c*d*cos(l)*cos(l));
printf("%.4f",S);
}
else
cout<<"Invalid input";
return 0;
} | 40 |
19,891 | int main()
{
double a,b,c,d,e,e1,s,s1,s2;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
e1=3.1415926*e/180;
s = (a+b+c+d)/2;
s2 = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((e1)/2)*cos((e1)/2);
if(s2<=0){
printf("Invalid input");
}
else{
s1 = sqrt ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((e1)/2)*cos((e1)/2));
printf("%.4f", s1);
}
return 0;
} | 40 |
19,892 | double area (double, double, double, double, double);
int main ()
{
double a, b, c, d, an, s;
scanf ("%lf%lf%lf%lf%lf", &a, &b, &c, &d, &an);
s =area(a, b, c, d, an);
if (s<0)
printf ("Invalid input");
else printf ("%.4f", s);
return 0;
}
double area (double q, double w, double e, double r, double ty)
{
double ang, ss, k, t;
ang = (ty/2)/180*PI;
t = (q+w+e+r)/2;
ss = (t-q)*(t-w)*(t-e)*(t-r) - q*w*e*r*cos(ang)*cos(ang);
/*printf ("%f ", q);*/
if (ss<0)
return -1;
else
{
k = sqrt(ss);
return k;
}
} | 40 |
19,893 | double i,h,a,b,c,d,e;
double f(double a,double b,double c,double d,double h)
{
double g;
g=sqrt((i-a)*(i-b)*(i-c)*(i-d)-a*b*c*d*cos(h)*cos(h));
return(g);
}
void main()
{
double s;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
i=(a+b+c+d)/2;
h=e/2/180*3.1415926;
if((i-a)*(i-b)*(i-c)*(i-d)<a*b*c*d*cos(h)*cos(h))printf("Invalid input");
else
{
s=f(a,b,c,d,h);
printf("%.4lf",s);
}
}
| 40 |
19,894 | int main(int argc, char* argv[])
{
double a;
double b;
double c;
double d;
double x;
double S;
double s;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
scanf("%lf",&x);
s = 1.0/2*(a+b+c+d);
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x/2*PI/180)*cos(x/2*PI/180)<0)
{
printf("Invalid input");
}
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x/2*PI/180)*cos(x/2*PI/180));
printf("%.4lf\n",S);
}
return 0;
} | 40 |
19,895 | int main()
{
double a,b,c,d,x;
scanf("%lf",&a);
printf("\n");
scanf("%lf",&b);
printf("\n");
scanf("%lf",&c);
printf("\n");
scanf("%lf",&d);
printf("\n");
scanf("%lf",&x);
printf("\n");
x=x*PI/360;
float s;
double S;
s = (float)1/2*(a+b+c+d);
S=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(x),2);
if (S<=0)
{
printf("Invalid input");
}
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(x),2));
printf("%.4f",S);
}
return 0;
} | 40 |
19,896 |
int main()
{
double a,b,c,d;
double al,af;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&al);
af = al / 180 * pai;
double s = 0.5*(a+b+c+d);
if( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(af/2)*cos(af/2) >= 0)
{
double S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(af*0.5)*cos(af*0.5));
printf("%.4lf\n",S);
}
else
{
printf("Invalid input");
}
return 0;
} | 40 |
19,897 | const double PI = 3.1415926;
int main()
{
double a , b, c , d, e;
cin >> a >> b >> c >> d >> e;
double s = 0;
double t = (a+b+c+d) / 2;
s = sqrt(
(t-a) * (t-b) * (t-c) * (t-d) -
a * b * c * d *
pow(cos(e * PI / 360),2)
);
if (s >=0) printf("%.4lf",s);
else printf("Invalid input");
return 0;
} | 40 |
19,898 | main()
{
double a,b,c,d,e,s;
scanf("%lf\n%lf\n%lf\n%lf\n%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/360*3.141592653)*cos(e/360*3.141592653)<0)
printf("Invalid input\n");
else if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.141592653)*cos(e/360*3.141592653)>=0)
printf("%.4f\n",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.141592653)*cos(e/360*3.141592653)));
}
| 40 |
19,899 | int main()
{
double a,b,c,d,apha,m=0,S=0,del=0;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&apha);
apha=apha*PI/360;m=(a+b+c+d)*0.5;
del=(m-a)*(m-b)*(m-c)*(m-d)-a*b*c*d*cos(apha);
if (del>=0)
{S=sqrt((m-a)*(m-b)*(m-c)*(m-d)-a*b*c*d*cos(apha)*cos(apha));printf("%.4lf",S);}
else printf("Invalid input");
return 0;
}
| 40 |
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