id
int32 0
32.5k
| code
stringlengths 95
8.4k
| label
stringclasses 65
values |
|---|---|---|
19,700 |
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;
int main()
{
scanf("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&m);
S=area(a, b, c, d, s, p);
if (S<0)
printf("Invalid input\n");
else
printf("%.4f\n",S);
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;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p)*cos(p))<0)
return -1;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p)*cos(p));
return S;
}
| 40 |
19,701 |
double S(double a,double b,double c,double d,double jd)
{
double s,t;
s=(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jd*PI/360)*cos(jd*PI/360);
if(t<0) return 0;
else return sqrt(t);
}
int main()
{
double a,b,c,d,jd;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jd);
if(S(a,b,c,d,jd)==0) printf("Invalid input");
else printf("%.4lf",S(a,b,c,d,jd));
return 0;
} | 40 |
19,702 |
int main(int argc, char* argv[])
{
double a,b,c,d,jiaodu,hudu,s,square,pingfang;
double zhuanhuan(double);
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&jiaodu);
s=(a+b+c+d)/2;
pingfang=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(zhuanhuan(jiaodu))*cos(zhuanhuan(jiaodu));
if(pingfang<0){
printf("Invalid input");
}else{
square=sqrt(pingfang);
printf("%.4lf",square);
}
return 0;
}
double zhuanhuan(double jiaodu)
{
double e;
e=PI*jiaodu/360;
return e;
} | 40 |
19,703 | main()
{
float a,b,c,d,s,S,k;
scanf ("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&k);
s= (a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*3.1415926/360)*cos(k*3.1415926/360));
if ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*3.1415926/720)*cos(k*3.1415926/720)>=0)
printf ("%.4f",S);
else
printf ("Invalid input");
} | 40 |
19,704 | int main()
{
double a,b,c,d,e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
double s=(a+b+c+d)/2;
double q=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926));
if(q<0)
printf("Invalid input");
else
{
double r=sqrt(q);
printf("%.4lf",r);
}
} | 40 |
19,705 | double Area(double a,double b,double c,double d,double s,double y);
int main()
{
double a,b,c,d,x,y,s,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&x);
s=(a+b+c+d)/2;
y=PI*(x/2)/180;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(y)*cos(y))<0){
printf("Invalid input\n");
}else{
S=Area(a,b,c,d,s,y);
printf("%.4lf\n",S);
}
return 0;
}
double Area(double a,double b,double c,double d,double s,double y){
double S;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(y)*cos(y));
return S;
}
| 40 |
19,706 | int main ()
{
double pi=3.1415926,f,s=0,a[4];
int i;
for(i=0;i<4;i++)
scanf("%lf",&a[i]);
scanf("%lf",&f);
f=pi/360*f;
void he(double,double,double,double,double);
he(a[0],a[1],a[2],a[3],f);
}
void he(double a,double b,double c,double d,double f1)
{ int i;
double sum,s;
s=a/2+b/2+c/2+d/2;
sum=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f1)*cos(f1);
if(sum<0) printf("Invalid input");
else
{
sum=sqrt(sum);
printf("%.4f",sum);
}
} | 40 |
19,707 |
int main()
{
float a,b,c,d,e,f,s,k,h;
scanf ("%f%f%f%f%f",&a,&b,&c,&d,&e);
f=(3.1415926*e)/360;
s=(a+b+c+d)/2;
k=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(f)*cos(f))<0)
printf ("Invalid input");
else
printf("%.4f",k);
}
| 40 |
19,708 | void main()
{
double a,b,c,d,q;
double area(double a,double b,double c,double d,double q);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
area(a,b,c,d,q);
}
double area(double a,double b,double c,double d,double q)
{ double s,panduan,are,t;
t=q/(2*180)*PI;
s=(a+b+d+c)/2;
panduan=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t)*cos(t);
if (panduan<0)
printf("Invalid input");
else { are=sqrt(panduan);
printf("%.4lf",are);
}
return(0);
}
| 40 |
19,709 | int main()
{
double a,b,c,d,e,s,g,h,i;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
i = e*PI/180;
s = (a+b+c+d)/2;
g = (s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(i/2)*cos(i/2);
h = sqrt(g);
if(e>0&&e<360)
if(g>0)
printf("%.4lf\n",h);
else printf("Invalid input");
return 0;
}
| 40 |
19,710 | double max(double a,double b,double c,double d,double f,double s)
{
double S;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f));
return(S);
}
void main()
{
double a,b,c,d,e,f,s,S,g;
double max(double a,double b,double c,double d,double f,double s);
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
f=e/360*3.1415926;
g=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f);
if(g>=0)
{
S=max(a,b,c,d,f,s);
printf("%.4lf",S);
}
else printf("Invalid input");
} | 40 |
19,711 | void main()
{
float a,b,c,d,s,m;
double e,f,g,h,i,j,k;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&m);
s=(a+b+c+d)/2;
e=(s-a)*(s-b)*(s-c)*(s-d);
k=m*3.1415926/180;
f=cos(k);
g=(f+1)/2;
h=a*b*c*d*g;
i=e-h;
if(i<0)
printf("Invalid input\n");
else
{
j=sqrt(i);
printf("%.4f\n",j);
}
} | 40 |
19,712 | double s(double a,double b,double c,double d,double r)
{
double result;
result=((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(3.1415926/180*r/2)*cos(3.1415926/180*r/2);
if(result>=0)
result=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(3.1415926/180*r/2)*cos(3.1415926/180*r/2));
return result;
}
int main()
{
double mj, a, b, c, d, r;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&r);
mj=s(a, b, c, d ,r);
if (mj>=0)
printf("%.4lf",mj);
else
printf("Invalid input");
return 0;
}
| 40 |
19,713 | double S(double a ,double b,double c,double d,double x);
int main()
{
double a,b,c,d,x;
double result;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
result = S(a,b,c,d,x);
if(result<0)
{
printf("Invalid input\n");
}
else
{
printf("%.4lf\n",result);
}
return 0;
}
double S(double a,double b,double c,double d,double x)
{
double result = 0;
double s,y;
s=(a+b+c+d)/2;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x/2/180*PI)*cos(x/2/180*PI);
if(y<0)
{
result=-1;
}
else
{
result=sqrt(y);
}
return result;
} | 40 |
19,714 | double S(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(S(a,b,c,d,e)==-1)
{
printf("Invalid input\n");
}
else
{
printf("%.4lf",S(a,b,c,d,e));
}
}
double S(double a,double b,double c,double d,double e)
{
double s,f,t,m;
s=(a+b+c+d)/2;
f=e*3.1415926/(180*2);
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if(t>=0)
{
m=sqrt(t);
return(m);
}
else
{
return (-1);
}
} | 40 |
19,715 | int main()
{
double a,b,c,d,s,ds;
double e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
e=(double)e*3.1415926/180;
e=(double)e/2;
s=(double)(a+b+c+d)/2;
ds=(double)((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e)*cos(e));
if(ds<0)
{
printf("Invalid input");
}
else
{
ds=sqrt(ds);
printf("%.4lf",ds);
}
return 0;
}
| 40 |
19,716 | int main(){
double a,b,c,d,x,y,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
if(x>0){
if(x<360){
s=(a+b+c+d)/2;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x/360*3.1415926)*cos(x/360*3.1415926);
if(y<0){
printf("Invalid input");
}else{
S=sqrt(y);
printf("%.4lf",S);
}
}
}
return 0;
}
| 40 |
19,717 | int main()
{
double a,b,c,d,angle,s,sqr;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&angle);
s = (a+b+c+d)/2;
angle = (angle /180)*PI;
sqr=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle/2)*cos(angle/2);
if (sqr>0)
{
printf("%.4lf\n",sqrt(sqr));
}
else
if (sqr<0)
printf("Invalid input\n");
else printf("0\n");
}
| 40 |
19,718 |
int main(int argc, char* argv[])
{
double a,b,c,d,sum;
double s,S;
scanf ("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&sum);
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(sum*3.1415926/360)*cos(sum*3.1415926/360);
if(S>0)
{
printf("%.4lf",sqrt(S));
}
else
{
printf("Invalid input");
}
} | 40 |
19,719 | int main()
{
double a,b,c,d,s,S,e;
double angle;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
s=0.5*(a+b+c+d);
e=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*
cos(angle/360*pai)*cos(angle/360*pai);
if(e>=0)
{
S=sqrt(e);
printf("%.4f",S);
}
else
{
printf("Invalid input");
}
return 0;
} | 40 |
19,720 | int main()
{
float a,b,c,d,A,B;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&B);
float s,S;
A=(B/180)*PI;
s=(a+b+c+d)/2;
S=(float)sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(A/2)*cos(A/2));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(A/2)*cos(A/2))<0)
printf("Invalid input");
else if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(A/2)*cos(A/2))>=0)
printf("%.4f",S);
return (0);
}
| 40 |
19,721 | main()
{double a,b,c,d,x,y,z,s,sn,S;
char h[15]={"Invalid input\0"};
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
y=x/2/180*PI;
z=cos(y)*cos(y);
sn=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*z;
if(sn<0)
{printf("%s",h);}
else
{S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*z);
printf("%6.4lf",S);
}
}
| 40 |
19,722 | void main()
{
double a, b, c, d, S, s, k, t;
scanf("%lf\n%lf\n%lf\n%lf\n%lf", &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)/180/2)*cos(k*(PI)/180/2);
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*(PI)/180/2)*cos(k*(PI)/180/2));
if (t < 0)
printf("Invalid input");
else
printf("%.4lf", S);
} | 40 |
19,723 | int main()
{
double a,b,c,d,e,f,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=e*PI/360;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(2*f))<0)
printf("Invalid input");
else
{
S =sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f));
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,724 | 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);
s = (a+b+c+d)/2;
if ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/360)*cos(e*PI/360)<0)
{printf("Invalid input");return 0;}
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/360)*cos(e*PI/360));
printf("%.4f\n",S);
return 0;
}
| 40 |
19,725 | int main()
{
double s,a,b,c,d,angle,S,x;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
s = (a+b+c+d)/2;
x=pow(cos(angle*3.1415926/360),2);
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*x);
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*x<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
} | 40 |
19,726 | double PI=3.1415926;
double area(double a,double b,double c,double d,double e);
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*cos(e/360*PI)*cos(e/360*PI)<0)
{printf("Invalid input");
}
else
{S=area(a,b,c,d,e);
printf("%.4lf",S);
}
return 0;
}
double area(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/360*PI)*cos(e/360*PI));
return S;
}
| 40 |
19,727 |
int main()
{
double a,b,c,d,al,o;
double f(double A,double B,double C,double D,double AL);
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&al);
o=f(a,b,c,d,al);
if(o==-1){
printf("Invalid input");
}else{
printf("%.4lf",o);
}
return 0;
}
double f(double A,double B,double C,double D,double AL)
{
double s,S;
s=(A+B+C+D)*0.5;
if(A*B*C*D*cos(AL*Pi/360)*cos(AL*Pi/360)>(s-A)*(s-B)*(s-C)*(s-D)){
S=-1;
}else{
S=sqrt((s-A)*(s-B)*(s-C)*(s-D)-A*B*C*D*cos(AL*Pi/360)*cos(AL*Pi/360));
}
return (S);
}
| 40 |
19,728 | int main(){
float a,b,c,d,s,A;
double X,S;
scanf("%f%f%f%f",&a,&b,&c,&d);
s=(a+b+c+d)/2;
scanf("%f",&A);
A=A/180*PI;
X=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(A/2)*cos(A/2);
if(X<0){
printf("Invalid input");
}
else{
S = sqrt(X);
printf("%.4lf",S);
}
return 0;
} | 40 |
19,729 | int main()
{
double S(double a,double b,double c, double d,double e);
double a,b,c,d,e,t,g,s;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
t=S(a,b,c,d,e);
e=e/180*3.1415926;
s=(a+b+c+d)/2;
g=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(e/2)*cos(e/2));
if(g<0)
{
printf("Invalid input");
}else{
printf("%.4lf",t);
}
return 0;
}
double S(double a,double b,double c, double d,double e)
{
double s,g;
e=e/180*3.1415926;
s=(a+b+c+d)/2;
g=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(e/2)*cos(e/2)));
return(g);
}
| 40 |
19,730 | float s(float a, float b, float c, float d, float alpha);
void main()
{
float a, b, c, d, alpha;
scanf("%f%f%f%f%f", &a,&b,&c,&d,&alpha);
if (s(a,b,c,d,alpha)==0)
printf("Invalid input");
else
printf("%.4f", s(a,b,c,d,alpha));
}
float s(float a, float b, float c, float d, float alpha)
{
float S,s, n,r;
s = (a+b+c+d)/2;
r=alpha/2/360*3.1415926*2;
n=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(r)*cos(r);
if (n<0)
return 0;
else
{S = sqrt(n);
return S;
}
} | 40 |
19,731 | void main()
{
double a,b,c,d,m;
double s,S,n,res;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
s=(a+b+c+d)/2;
n=m/2;
res=cos(n/180*PI);//
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*res*res)<0)//
printf("Invalid input");
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*res*res);
printf("%.4lf",S);
}
}
| 40 |
19,732 | double mianji(double a,double b,double c,double d,double jiaohe);
int main()
{
double a1,b1,c1,d1,s1,jiaohe1,jiao1,S;
scanf("%lf",&a1);
scanf("%lf",&b1);
scanf("%lf",&c1);
scanf("%lf",&d1);
scanf("%lf",&jiaohe1);
s1=(a1+b1+c1+d1)/2;
jiao1=jiaohe1/360*PI;
if((s1-a1)*(s1-b1)*(s1-c1)*(s1-d1)-a1*b1*c1*d1*cos(jiao1)*cos(jiao1)>=0){
S=mianji(a1,b1,c1,d1,jiaohe1);
printf("%.4lf",S);
}else{
printf("Invalid input");
}
return 0;
}
double mianji(double a,double b,double c,double d,double jiaohe)
{
double s,jiao,y;
s=(a+b+c+d)/2;
jiao=jiaohe/360*PI;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jiao)*cos(jiao);
if(y>=0) return sqrt(y);
}
| 40 |
19,733 | double mianji (double a,double b,double c,double d,double q)
{
double s,p;
p=(a+b+c+d)/2;
p=(p-a)*(p-b)*(p-c)*(p-d);
if (p<0)
{
printf ("Invalid input");
}
else
{
s=sqrt(p-a*b*c*d*(cos(q))*(cos(q)));
printf ("%.4lf",s);
}
return 0;
}
int main(int argc, char* argv[])
{
double a,b,c,d,p;
scanf ("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&p);
p=p/360*3.1415926;
mianji (a,b,c,d,p);
return 0;
}
| 40 |
19,734 | int main()
{
double a,b,c,d,s,e,f,S,PI=3.1415926;
scanf("%lf\n",&a);
scanf("%lf\n",&b);
scanf("%lf\n",&c);
scanf("%lf\n",&d);
scanf("%lf",&e);
e=e/360*2*PI;
s=(a+b+c+d)/2;
f=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2)*cos(e/2);
if(f<0)
printf("Invalid input");
if(f>=0)
{
S=sqrt(f);
printf("%.4lf",S);
}
return 0;
} | 40 |
19,735 |
int main(int argc, char* argv[])
{
double a,b,c,d,angle,s,area;
double m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
s = (a+b+c+d)/2;
angle=angle/720*2*PI;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
if(m<0)
printf("Invalid input");
else
{
area=sqrt(m);
printf("%.4lf\n",area);
}
return 0;
} | 40 |
19,736 | int main()
{
double a,b,c,d,x,s,y;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
y=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x*PI/360)*cos(x*PI/360));
if((s-a)*(s-b)*(s-c)*(s-d)<a*b*c*d*cos(x*PI/360)*cos(x*PI/360))
printf("Invalid input");
else
printf("%.4lf",y);
return 0;
}
| 40 |
19,737 | int main()
{
double a, b, c, d, s;
scanf("%lf%lf%lf%lf",&a, &b, &c, &d);
s = (a+b+c+d)/2;
double w, x, W, X;
scanf("%lf%lf", &w, &x);
W = w / 180 * PI;
X = x / 180 * PI;
double R, M;
M =(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(W/2+X/2)*cos(W/2+X/2);
if(M<0)
printf("Invalid input");
else
{
R = sqrt(M);
printf("%.4lf", R);
}
return 0;
}
| 40 |
19,738 | main()
{
float s,a,b,c,d,e,f,g;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&e);
s=(a+b+c+d)/2;
f=(e/180)*PI;
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((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f/2)*cos(f/2));
printf("%.4f",s);}
getchar();
getchar();
getchar();
}
| 40 |
19,739 | int main(int argc, char* argv[])
{
double a,b,c,d,x,s,S;
scanf ("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)
-a*b*c*d*cos(x*3.1415926/360)*cos(x*3.1415926/360));
if((s-a)*(s-b)*(s-c)*(s-d)
-a*b*c*d*cos(x*3.1415926/360)*cos(x*3.1415926/360)<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
}
| 40 |
19,740 | main()
{
double a,b,c,d,s,x,y;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&x);
x=x/2/180*pi;
s=(a+b+c+d)/2;
y=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x)*cos(x);
if(y<0)
printf("Invalid input") ;
else
printf("%.4lf",sqrt(y));
getchar();
getchar();
getchar();
} | 40 |
19,741 | void main()
{
double a,b,c,d,s,x,pi=3.1415926,t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
x=x/360*2*pi;
x=x/2;
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x);
if(t<0)
{
printf("Invalid input\n");
}
if(t>0)
{
t=sqrt(t);
printf("%.4lf\n",t);
}
} | 40 |
19,742 | int main(int argc, char* argv[])
{
double t,a,b,c,d,e,s,S,p=3.1415926;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s=(double)1/2*(a+b+c+d);
S=(double)sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos((e/360)*p))*(cos((e/360)*p)));
t=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos((e/360)*p)*cos((e/360)*p));
if(t<0)
{
printf("Invalid input\n");
}
else
{
printf("%.4lf\n",S);
}
return 0;
} | 40 |
19,743 | double f(double a,double b,double c,double d,double w )
{
double q;
q=w/2.0* 3.1415926/180.0;
double s,ss;
s=(a+b+c+d)/2.0;
ss=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q));
return (ss);
}
main()
{
double a;
double b;
double c;
double d;
double w;
double z,s;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&w);
s=(a+b+c+d)/2.0;
double q,g;
q=w/2.0*3.1415926/180.0;
z=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q);
if(z<0)
{
printf("Invalid input");
}
else
{
g=f(a,b,c,d,w);
printf("%.4lf",g);
}
getchar();
getchar();
}
| 40 |
19,744 |
int main (int argc, char *argv[])
{
double a,b,c,d,e;
double s=0;
double S=0;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)*(1.0/2);
S= sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(e*3.1415926/360),2));
if(0<=(s-a)*(s-b)*(s-c)*(s-d))
{
printf("%.4lf\n",S);
}
else
{
printf("Invalid input");
}
return 0;
} | 40 |
19,745 | int main(int argc, char* argv[])
{
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 |
19,746 | int main()
{
double a,b,c,d,s,e,x,y;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
x=e*PI/360;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)<0){
printf("Invalid input");
}
else
{
y= sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x));
printf("%.4lf",y);
}
return 0;
}
| 40 |
19,747 | int main()
{
float a,b,c,d,e,s,S,t;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&e);
s=(a+b+c+d)/2.0;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2/180*PI)*cos(e/2/180*PI));
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2/180*PI)*cos(e/2/180*PI);
if (t>0)
printf("%.4f\n",S);
else
printf("Invalid input");
return 0;
} | 40 |
19,748 | int main()
{
double a,b,c,d;
double angle;
cin>>a>>b>>c>>d;
cin>>angle;
double s;
double temp1,temp2;
double pi=3.1415926;
s=(a+b+c+d)/2;
temp1=(s-a)*(s-b)*(s-c)*(s-d);
temp2=angle/360*pi;
temp2=cos(temp2);
temp2=temp2*temp2;
temp2=a*b*c*d*temp2;
temp1=temp1-temp2;
if(temp1<0)
cout<<"Invalid input"<<endl;
else
{
temp1=sqrt(temp1);
printf("%.4f\n",temp1);
}
return 0;
} | 40 |
19,749 | double sqrt(double p);
double cos(double j);
int main(){
double p;
double a,b,c,d;
double j;
double S,s;
scanf("%lf %lf %lf %lf",&a,&b,&c,&d);
scanf("%lf",&j);
s = (a+b+c+d)/2;
p=((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(j*3.1415926/360)*cos(j*3.1415926/360));
if(p>0) {S = sqrt(p);
printf("%.4lf",S);}
else{
printf("Invalid input");}
return 0;
}
| 40 |
19,750 | double area(double a,double b,double c,double d,double e)
{
double s=(a+b+c+d)/2;
double x=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(e*PI/360),2);
return x;
}
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)<0)
{
printf("Invalid input");
}
else
{
double S=sqrt(area(a,b,c,d,e));
printf("%.4lf",S);
}
return 0;
} | 40 |
19,751 | double a,b,c,d,s,S,f,PI=3.1415926;
void abc()
{
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f/360*PI)*cos(f/360*PI))>0)
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f/360*PI)*cos(f/360*PI));
printf("%.4lf",S);
}
else
{
printf("Invalid input");
}
}
void main()
{
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&f);
abc();
} | 40 |
19,752 |
int main()
{
double a,b,c,d,s=1,zzz,area;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&zzz);
zzz=zzz*PI/360;
s=0.5*(a+b+c+d);
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(zzz)*cos(zzz))<0)
{
printf("Invalid input");
return 0;
}
area = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(zzz)*cos(zzz));
printf("%.4lf\n",area);
return 0;
}
| 40 |
19,753 | main()
{
double a,b,c,d,e,f,g,h,i,l;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&g);
0<g<360;
l=PI*g/180/2;
e=(a+b+c+d)/2;
h=pow(cos(l),2);
i=(e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*h;
if( i<0)
printf("Invalid input\n");
else
{f=sqrt((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*h);
printf("%.4lf\n",f);}
return 0;
} | 40 |
19,754 |
double f(double a,double b,double c,double d,double ang)
{
double p,q,y;
ang=ang/2.0/180.0*3.1415926;
p=(a+b+c+d)/2.0;
q=(p-a)*(p-b)*(p-c)*(p-d)-a*b*c*d*cos(ang)*cos(ang);
y=sqrt(q);
if(q<0)
printf("Invalid input");
else
printf("%.4lf",y);
}
void main()
{
double a,b,c,d,ang;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&ang);
f(a,b,c,d,ang);
}
| 40 |
19,755 |
void main()
{
double square(double x,double y,double z,double w,double m);
double S,a,b,c,d,M;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&M);
S=square(a,b,c,d,M);
if(S>0){
printf("%.4lf",sqrt(S));
}else{
printf("Invalid input");
}
}
double square(double x,double y,double z,double w,double m)
{
double k;
double SQUARE;
k=(x+y+z+w)/2;
double p,q;
p=(k-x)*(k-y)*(k-z)*(k-w);
double hudu;
hudu=PI*m/180;
q=x*y*z*w*cos(hudu/2)*cos(hudu/2);
SQUARE=p-q;
return SQUARE;
} | 40 |
19,756 | int main ()
{
double a,b,c,d,s,e,m,n,f;
double p=3.1415926;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
e=e*p/360;
s=(a+b+c+d)/2;
m=(s-a)*(s-b)*(s-c)*(s-d);
f=m-a*b*c*d*cos(e)*cos(e);
if(f<0)
{
printf("Invalid input");
}
else
{
n=sqrt(f);
printf("%.4lf",n);
}
return 0;
} | 40 |
19,757 | int main()
{
double a,b,c,d,s;
double e;
scanf("%lf%lf%lf%lf", &a, &b, &c, &d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
double p=3.1415926;
double q;
if(s-a>0 && s-b>0 && s-c>0 && s-d>0)
{
q=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*p/360)*cos(e*p/360));
printf("%.4lf\n",q);
}
else printf("Invalid input\n");
return 0;
}
| 40 |
19,758 | double area(double a,double b,double c,double d,double e)
{
double s,angle,value,S;
s=(a+b+c+d)/2;
angle=(cos(e*PI/360))*(cos(e*PI/360));
value=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*angle;
if(value>=0)
{
S=sqrt(value);
return S;
}
else
return -1;
}
void main()
{
double a,b,c,d,e,j;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
j=area(a,b,c,d,e);
if(j==-1)
printf("Invalid input\n");
else
printf("%.4lf\n",j);
}
| 40 |
19,759 |
void main(){
double a[5],s=0.0,S,c,d,e;
int i;
for (i=0;i<5;i++)
{
scanf("%lf",&a[i]);
}
s=(double)(a[0]+a[1]+a[2]+a[3])/2;
c=(double)(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3]);
d=(double)a[0]*a[1]*a[2]*a[3];
e=(double)cos(a[4]*PI/2.0/180.0)*cos(a[4]*PI/2.0/180.0);
if(c-d*e>=0){
S=(double)sqrt(c-d*e);
printf("%.4lf\n",S);
}
else printf("Invalid input\n");
} | 40 |
19,760 | int main(int argc, char* argv[])
{
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);
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(e*3.1415926/360),2));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(e*3.1415926/360),2))<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,761 | double s(double a,double b,double c,double d,double q)
{
double area,k,w,i;
w=(a+b+c+d)/2;
k=q*0.5*3.1415926/180;
i=(w-a)*(w-b)*(w-c)*(w-d)-a*b*c*d*cos(k)*cos(k);
if(i<0)
area=-1;
else
area=sqrt(i);
return (area);
}
int main()
{
double s(double a,double b,double c,double d,double q);
double a,b,c,d,q,k;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&q);
k=s(a,b,c,d,q);
if(k<0)
printf("Invalid input");
else
printf("%.4lf",k);
}
| 40 |
19,762 | int main()
{
double a;
double b;
double c;
double d;
double e,f,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=((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*pow(cos(e*3.1415926/360),2);
if(f>=0){
S=sqrt(((a+b+c+d)/2-a)*((a+b+c+d)/2-b)*((a+b+c+d)/2-c)*((a+b+c+d)/2-d) - a*b*c*d*pow(cos(e*3.1415926/360),2));
printf("%.4f\n",S);}
else
printf("Invalid input\n");
return 0;
}
| 40 |
19,763 | int main()
{
double s,S;
double a,b,c,d,A,aerfa;
double kaifang(double a,double b,double c,double d,double aerfa);
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&A);
aerfa=A/180*PI/2;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(aerfa)*cos(aerfa))<0)
printf("Invalid input");
else
{
S=kaifang(a,b,c,d,aerfa);
printf("%.4lf\n",S);
}
return 0;
}
double kaifang(double a,double b,double c,double d,double aerfa)
{
double s,S;
s=(a+b+c+d)/2;
while(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(aerfa)*cos(aerfa))>=0)
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(aerfa)*cos(aerfa));
break;
}
return S;
}
| 40 |
19,764 | int main()
{
double a,b,c,d,w;
double S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&w);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(w*PI/360)*cos(w*PI/360));
if (S>=0)
printf("%.4lf",S);
else
printf("Invalid input");
return 0;
} | 40 |
19,765 | int main()
{
float a,b,c,d;
float r;
float s,S;
scanf("%f%f%f%f",&a,&b,&c,&d);
scanf("%f",&r);
if(r<0||r>360)
{
return 0;
}
else
{
s = (a+b+c+d)/2;
S =(float) sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(r*3.1415926/360)*cos(r*3.1415926/360));
}
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(r*3.1415926/360)*cos(r*3.1415926/360))<0)
{
printf("Invalid input\n");
}
else
{
printf("%.4f\n",S);
}
return 0;
} | 40 |
19,766 | void main()
{
double mian(double a,double b,double c,double d,double j);
double a,b,c,d,j,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&j);
s=mian(a,b,c,d,j);
if(s==0)printf("Invalid input");
else printf("%.4lf",s);
}
double mian(double a,double b,double c,double d,double j)
{
double q,w,s,e;
q=j/2/180*3.1415926;
s=(a+b+c+d)/2;
w=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d* cos(q)*cos(q);
if(w<0)return(0);
else
{
e=sqrt(w);
return(e);
}
} | 40 |
19,767 | double f(double,double,double,double,double);
void main()
{
double a,b,c,d,p,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&p);
p=p/360*3.1415926;
m=f(a,b,c,d,p);
if(m>0) printf("%.4lf",sqrt(m));
else printf("Invalid input");
}
double f(double a,double b,double c,double d,double p)
{
double s=(a+b+c+d)/2;
return((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p)*cos(p));
}
| 40 |
19,768 | int main()
{
float a,b,c,d,e,s,t,h,g,k;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
h=(s-a)*(s-b)*(s-c)*(s-d) ;
t= a*b*c*d;
g=cos(3.1415926*e/360)*cos(3.1415926*e/360);
k=h-t*g;
if(k>0)
printf("%.4f\n",sqrt(k));
else printf("Invalid input");
return 0;
}
| 40 |
19,769 | double pi=3.1415926;
int main()
{
double sq(double a,double b,double c,double d,double o);
double a,b,c,d,j,o;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&j);
double q,p,s;
o=j*pi/180;
o=o/2;
s=(a+b+c+d)/2;
p=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o)*cos(o);
if(p<0){
printf("Invalid input");
}
else {
q=sq(a,b,c,d,o);
printf("%.4f",q);
}
return 0;
}
double sq(double a,double b,double c,double d,double o)
{
double s=0,g=0;
s=(a+b+c+d)/2;
g=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o)*cos(o));
return g;
}
| 40 |
19,770 | main()
{
double surface(double a,double b,double c,double d,double e,double s);
double a,b,c,d,e,s,S;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
S=surface(a,b,c,d,e,s);
}
double surface(double a,double b,double c,double d,double e,double s)
{
double S;
s=0.5*(a+b+c+d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360)<0)printf("Invalid input");
else printf("%.4lf",S);
return S;
}
| 40 |
19,771 | double area(double x,double y,double z,double p,double q);
int main()
{
double a,b,c,d,e,result;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
result=area(a,b,c,d,PI*e/360);
if(result==0){
printf("Invalid input");
}else{
printf("%.4lf",result);
}
return 0;
}
double area(double x,double y,double z,double p,double q){
double s;
s=(x+y+z+p)/2;
if((s-x)*(s-y)*(s-z)*(s-p)-x*y*z*p*cos(q)*cos(q)<0){
return 0;
}else{
return sqrt((s-x)*(s-y)*(s-z)*(s-p)-x*y*z*p*cos(q)*cos(q));
}
} | 40 |
19,772 | double s(double a, double b, double c, double d)
{
double sf;
sf=(a+b+c+d)/2;
return sf;
}
double US(double a, double b, double c, double d, double alpha)
{
double SF;
SF=(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*cos(alpha)*cos(alpha);
return SF;
}
int main()
{
double a, b, c, d;
double alpha, jiao;
scanf("%lf %lf %lf %lf %lf", &a, &b, &c, &d, &jiao);
alpha=(jiao/2)/180*PI;
double final;
if(alpha<0) printf("Invalid input");
if(US(a, b, c, d, alpha)<0) printf("Invalid input");
else
{
final=sqrt(US(a, b, c, d, alpha));
printf("%.4lf", final);
}
return 0;
} | 40 |
19,773 | int main()
{ double a=0,b=0,c=0,d=0,t=0,s=0,h=0,S=0,pi=3.1415926;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&t);
t=t/2;
h=t*pi/180;
s = (a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(h)*cos(h)>=0)
{S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(h)*cos(h));
printf("%.4lf",S);}
else if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(h)*cos(h)<0)
printf("Invalid input");
return(0);
} | 40 |
19,774 | int main()
{
double a[5],s,S,c,b;
int i;
for(i=0;i<5;i++)
{
scanf("%lf",&a[i]);
}
b=a[0]*a[1]*a[2]*a[3]*cos(a[4]/2*pai/180)*cos(a[4]/2*pai/180);
s=1.0/2*(a[0]+a[1]+a[2]+a[3]);
c=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3]);
if(c<b)
{
printf("Invalid input");
}
else
{
S=sqrt(c-b);
printf("%.4lf\n",S);
}
return 0;
}
| 40 |
19,775 | double main()
{
double a,b,c,d,w,u,s,m,q;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&w);
s=(a+b+c+d)/2;
q=w/2/180*pi;
u =(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q);
if(u>0)
{
m=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q));
printf("%.4f",m);}
else
printf("Invalid input");
return 0;
}
| 40 |
19,776 | int main()
{
double a,b,c,d,angle;
double s,m,n,p,q,o;
scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&angle);
s=(a+b+c+d)/2;
m=s-a;
n=s-b;
p=s-c;
q=s-d;
o=angle/2;
double x,y,S,hudu;
hudu=3.1415926*o/180;
y=a*b*c*d*cos(hudu)*cos(hudu);
x=m*n*p*q;
S=x-y;
if(S>0)
{s=sqrt(S);
printf("%.4lf",s);
}
else{printf("Invalid input\n");}
return 0;
}
| 40 |
19,777 | double calarea(double a,double b,double c,double d,double alpha2);
int main() {
double A,B,C,D,ALPHA2;
double area;
scanf("%lf%lf%lf%lf%lf",&A,&B,&C,&D,&ALPHA2);
area=calarea(A,B,C,D,ALPHA2);
if(area!=0){
printf("%.4lf\n",area);
}
return 0;
}
double calarea(double a,double b,double c,double d,double alpha2){
double s,S,alpha;
s=(double)(a+b+c+d)/2;
alpha=((alpha2*PI)/(180*2));
S=((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alpha)*cos(alpha));
if(S>0){
return sqrt(S);
}
else {
printf("Invalid input\n");
return 0;
}
}
| 40 |
19,778 | double area(double a,double b,double c,double d,double e);
int main(){
double a,b,c,d,e,f,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=e/180*PI/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f))*cos(f)<0){
printf("Invalid input");}
else{
S=area(a,b,c,d,e);
printf("%.4lf",S);
}
return 0;
}
double area(double a,double b,double c,double d,double e){
double f,s,S;
s=(a+b+c+d)/2;
f=e/180*PI/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f));
return S;
}
| 40 |
19,779 |
int main(int argc, char* argv[])
{
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 = 1.0/2*(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("%.4f\n",sqrt(s));
return 0;
} | 40 |
19,780 | double s,final;
void main()
{
double a,b,c,d,aa;
void four(double,double,double,double,double,double);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&aa);
s=(a+b+c+d)/2;
aa=aa/360*3.1415926;
four(a,b,c,d,s,aa);
}
void four(double a,double b,double c,double d,double ss, double angle)
{
double w;
w=(ss-a)*(ss-b)*(ss-c)*(ss-d)-a*b*c*d*cos(angle)*cos(angle);
if(w<0)
printf("Invalid input");
else printf("%.4lf",sqrt(w));;
} | 40 |
19,781 |
double compute(double a,double b,double c,double d,double sum)
{
double mianji=0;
double s=(a+b+c+d)/2;
double hudu=sum*PI/360;
mianji=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(hudu)*cos(hudu);
if(mianji>=0)
mianji=sqrt(mianji);
return mianji;
}
void main()
{
double a,b,c,d,sum;
double v;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&sum);
v=compute(a,b,c,d,sum);
if(v<0)
printf("Invalid input\n");
else
printf("%.4lf\n",v);
} | 40 |
19,782 |
void main()
{
const double PI = 3.1415926;
double S, a, b, c, d;
double s, alpha, inTheSqrt;
scanf( "%lf", &a);
scanf( "%lf", &b);
scanf( "%lf", &c);
scanf( "%lf", &d);
s = ( a + b + c + d ) / 2;
scanf( "%lf", &alpha);
inTheSqrt = (s-a) * (s-b) * (s-c) * (s-d) - a * b * c * d * pow( cos(alpha/360*PI), 2);
if( inTheSqrt < 0) {
printf( "Invalid input\n");
return;
}
S = sqrt( inTheSqrt);
printf("%.4lf\n", S);
} | 40 |
19,783 | int main()
{
double a,b,c,d,x,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
x=x*PI/360;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x);
if(S>=0)
{
S=sqrt(S);
printf("%.4lf",S);
}
else
{
printf("Invalid input");
}
return 0;
}
| 40 |
19,784 | int main()
{
double s,a,b,c,d,o,S;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
scanf("%lf",&o);
s=1.0/2.0*(a+b+c+d);
if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o*3.1415926/180/2)*cos(o*3.1415926/180/2))<0)
{printf("Invalid input");
return 0;}
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o*3.1415926/180/2)*cos(o*3.1415926/180/2));
printf("%.4lf\n",S);
return 0;
}
| 40 |
19,785 | int main(int argc, char* argv[])
{
float a,b,c,d,e,f,S,s;
scanf("%f %f %f %f %f",&a,&b,&c,&d,&e);
if(e>=180)
{
printf("Invalid input");
}
else{
s=(a+b+c+d)/2;
f=e/360*3.14159265358979f;
S=(float)sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(f),2));
printf("%.4f",S);
}
return 0;
} | 40 |
19,786 |
int main()
{
double a, b, c, d, q;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
if ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(q*3.1415926/360)*cos(q*3.1415926/360)<0)
printf("Invalid input");
else{
double ss = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(q*3.1415926/360)*cos(q*3.1415926/360));
printf("%.4lf", ss);
}
return 0;
}
| 40 |
19,787 | int main()
{
double a,b,c,d,e,s,S,t,f;
#define PI 3.1415926
e=f*PI/180;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&f);
s=(a+b+c+d)/2;
e=f*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 if(t>=0){
S=sqrt(t);
printf("%.4lf",S);
}
return 0;
} | 40 |
19,788 |
int main()
{
float a,b,c,d;
float angle,dangle;
float p,q,outcome;
float PI=3.1415926;
scanf("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&angle);
float s;
s=(a+b+c+d)/2;
p=(s-a)*(s-b)*(s-c)*(s-d);
dangle=(angle/360)*PI;
q=a*b*c*d*(cos(dangle)*cos(dangle));
if(p-q>0)
{outcome=sqrt(p-q);
printf("%.4f",outcome);}
else
printf("Invalid input");
return 0;
}
| 40 |
19,789 | void main()
{double SS(double a,double b,double c,double d,double jiao);
double a,b,c,d,jiao,s,j,pi=3.1415926,mianji;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&jiao);
s=1.0/2.0*(a+b+c+d);
j=jiao*pi/360.0;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j))<0)
printf("Invalid input");
else {mianji=SS(a,b,c,d,jiao);printf("%.4lf",mianji);}
}
double SS(double a,double b,double c,double d,double jiao)
{double j,s,mianji,pi=3.1415926;
s=1.0/2.0*(a+b+c+d);
j=jiao*pi/360.0;
mianji=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j));
return(mianji);
} | 40 |
19,790 |
int main(int argc, char* argv[])
{
double p, a, b, c, d, s, v, x;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&x);
x=x*3.1415926/360;
s= (a+b+c+d)/2;
p=cos(x);
v= sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*p*p);
if(v>=0)
printf("%6.4f\n", v);
else
printf("Invalid input");
return 0;
} | 40 |
19,791 | main()
{
int i,j,k;
double a,b,c,d;
double xs;
double ds;
double t;
double p;
double PI = 3.1415926;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&t);
xs=(a+b+c+d)/2;
p=((t/2)/180)*PI;
if((xs-a)*(xs-b)*(xs-c)*(xs-d) - a*b*c*d*cos(p)*cos(p)>=0)
{
ds= sqrt((xs-a)*(xs-b)*(xs-c)*(xs-d) - a*b*c*d*cos(p)*cos(p));
printf("%.4lf\n",ds);
}
else
printf("Invalid input\n");
}
| 40 |
19,792 | int main()
{
void mian(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);
mian(a,b,c,d,e);
return 0;
}
void mian(double a,double b,double c,double d,double e)
{
double s;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*PI/360)*cos(e*PI/360))<0)
printf("Invalid input");
else printf("%.4lf",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*PI/360)*cos(e*PI/360)));
}
| 40 |
19,793 | int main(int argc, char* argv[])
{
double a,b,c,d,t,s,p;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&t);
p=(0.5*(a+b+c+d)-a)*(0.5*(a+b+c+d)-b)*(0.5*(a+b+c+d)-c)*(0.5*(a+b+c+d)-d) - a*b*c*d*cos(t/360*3.1415926)*cos(t/360*3.1415926);
if(p>=0)
{
s=sqrt(p);
printf("%.4lf\n",s);
}
else
printf("Invalid input\n");
return 0;
} | 40 |
19,794 | int main()
{
double squart(double a,double b,double c,double d,double e);
double x1,x2,x3,x4,y;
scanf("%lf",&x1);
scanf("%lf",&x2);
scanf("%lf",&x3);
scanf("%lf",&x4);
scanf("%lf",&y);
double genhao,s,e1,sum;
s=(x1+x2+x3+x4)/2; e1=y*pi/360;
genhao=(s-x1)*(s-x2)*(s-x3)*(s-x4)-x1*x2*x3*x4*cos(e1)*cos(e1);
if(genhao<0)
printf("Invalid input\n");
else
{
sum=squart(x1,x2,x3,x4,y);
printf("%.4lf",sum);
}
return 0;
}
double squart(double a,double b,double c,double d,double e)
{
double m,s1;
double n;
n=e*pi/360;
s1=(a+b+c+d)/2;
m=sqrt((s1-a)*(s1-b)*(s1-c)*(s1-d)-a*b*c*d*cos(n)*cos(n));
return m;
}
| 40 |
19,795 | double f(double a,double b,double c,double d,double pr)
{
double s,area,r,PI;
PI=3.1415926;
r=pr*PI/180;
s=(a+b+c+d)/2;
area=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(r/2)*cos(r/2));
return(area);
}
void main()
{
double a,b,c,d,pr,s,PI=3.1415926,r;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&pr);
s=(a+b+c+d)/2;
r=pr*PI/180;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(r/2)*cos(r/2)<0)
printf("Invalid input");
else
printf("%.4lf",f(a,b,c,d,pr));
}
| 40 |
19,796 | int main()
{
double a,b,c,d,i;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&i);
double s,m;
s=(a+b+c+d)/2;
double h = a*b*c*d*cos(i*PI/360)*cos(i*PI/360);
m=(s-a)*(s-b)*(s-c)*(s-d)-h;
if(m<0)
{
printf("Invalid input");
}
double S;
if(m>=0){
S = sqrt(m);
printf("%.4lf",S);
}
return 0;
}
| 40 |
19,797 | void main()
{
float a,b,c,d,D,S,s;
float sums(float a,float b,float c,float d,float D);
scanf("%f%f%f%f%f",&a,&b,&c,&d,&D);
s=sums(a,b,c,d,D);
if(s==0)printf("Invalid input");
else printf("%.4f",s);
}
float sums(float a,float b,float c,float d,float D)
{
double Pi=3.1415926;
float z,s,y;
z=D/360*Pi;
s=(a+b+c+d)/2;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(float)cos(z)*(float)cos(z);
if(y<0)return 0;
else return sqrt(y);
} | 40 |
19,798 | int main()
{
double a,b,c,d,e,f,S,s;
scanf("%lf\n",&a);
scanf("%lf\n",&b);
scanf("%lf\n",&c);
scanf("%lf\n",&d);
scanf("%lf\n",&e);
s = (a+b+c+d)*0.5;
f= (e/360)*3.1415926;
S = ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(f))*(cos(f)));
if(S<0){
printf("Invalid input");
}
else{
printf("%.4lf",sqrt(S));
}
return 0;
}
| 40 |
19,799 | int main(){
double a,b,c,d,e,s,m,t;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
m=(a+b+c+d)/2;
t=(m-a)*(m-b)*(m-c)*(m-d)-a*b*c*d*cos(e/2*(3.1415926/180))*cos(e/2*(3.1415926/180));
if(t>0){
s=sqrt(t);
printf("%.4lf",s);
}else if(t<0){
printf("Invalid input");
}
return 0;
} | 40 |
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