label stringlengths 1 2 | index stringlengths 1 5 | code stringlengths 87 8.24k |
|---|---|---|
40 | 19800 | 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+... |
40 | 19801 | 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 inpu... |
40 | 19802 | /*
* 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>... |
40 | 19803 |
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... |
40 | 19804 | int main()
{
double a,b,c,d,alf2,mj;
double Squ(double a1,double b1,double c1,double d1,double alf21);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&alf2);
mj=Squ(a,b,c,d,alf2);
if(mj<0)
printf("Invalid input\n");
else
printf("%.4lf\n",mj);
return 0;
}
double Squ(double... |
40 | 19805 | 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",... |
40 | 19806 | 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 | 19807 | int main(int argc, char* argv[])
{
double a,b,c,d,e,f,s,t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
f=cos(3.1415926*e/360);
t = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(f,2);
if(t<0)
printf("Invalid input\n");
else
printf("%.4lf\n",sqrt(t));
return 0;
} |
40 | 19808 | main()
{
double a,b,c,d,e,s,ans,x;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
x=cos(e/2/180*3.1415926);
ans=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*x*x;
if (ans<0) printf("Invalid input");
else p... |
40 | 19809 | int main()
{
double a,b,c,d,e,f,s,S,m;
scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&e);
s =(a+b+c+d)/2;
f =e/360*3.1415926;
m =(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos (e/360*3.1415926)*cos (e/360*3.1415926);
if(m<0){printf("Invalid input");}
else{ S =sqrt(m); printf("%.4lf",S);}
return 0;... |
40 | 19810 | 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 | 19811 | int main(int argc, char* argv[])
{
double a,b,c,d,e,s,t,S; //e??????
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=1.0/2*(a+b+c+d);
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*PI*1/2/180)*cos(e*PI*1/2/180);//(e*PI*1/2/180)???????????2
if(t<0)
{
printf("Invalid input");
}
else
{
S=sqrt(t);
printf("%... |
40 | 19812 | 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)
{
doubl... |
40 | 19813 | 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)*c... |
40 | 19814 | 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+... |
40 | 19815 | double PI=3.1415926;
double f(double a,double b,double c,double d,double alpha)
{
double s=(a+b+c+d)/2;
double tmp=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(alpha*PI/360),2));
if (tmp<0)
return -1;
else
return sqrt(tmp);
}
int main()
{
double a,b,c,d,alpha;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&alpha);
if (f(a,b,... |
40 | 19816 |
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("In... |
40 | 19817 | double s(double a,double b,double c,double d,double du);
int main()
{
double a,b,c,d,du,s2;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&du);
s2=s(a,b,c,d,du);
if(s2==0)
printf("Invalid input");
else
printf("%.4f",s2);
return 0;
}
double s(double a,double b,double c,double d,double du)
{
double ps,ss,rad;
... |
40 | 19818 | int main()
{
double squ(double a,double b,double c,double d,double e);
double a,b,c,d,e,y,s,n,f;
scanf ("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=e*3.1415926/360;
n=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if (n<0)
printf ("Invalid input\n");
else
{
y=squ(a,b,c,d,e);
printf("%.... |
40 | 19819 | 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 | 19820 | 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;... |
40 | 19821 | 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... |
40 | 19822 |
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... |
40 | 19823 | 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");
... |
40 | 19824 |
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("Inval... |
40 | 19825 | 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)... |
40 | 19826 | 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);
... |
40 | 19827 |
int main ()
{
double a,b,c,d,e,s,ss;
cin>>a>>b>>c>>d>>e;
s=(a+b+c+d)/2;
ss=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360);
if (ss>=0)
{printf("%.4f",sqrt(ss));
}
else printf("Invalid input");
} |
40 | 19828 |
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;
... |
40 | 19829 | 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);
sca... |
40 | 19830 | void main()
{
void S(double a,double b,double c,double d,double jiao);
double a,b,c,d,jiao;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&jiao);
S(a,b,c,d,jiao);
}
void S(double a,double b,double c,double d,double jiao)
{ double PI,s,m;
... |
40 | 19831 | 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);
}
... |
40 | 19832 |
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(... |
40 | 19833 | double area(double a,double b,double c,double d,double e)
{
double s,q,S;
s=(a+b+c+d)/(2.0);
q=cos(e*(3.1415926)/(180.0)/(2.0));
return sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*q*q);
}
int main()
{
double n1,n2,n3,n4,m;
scanf("%lf%lf%lf%lf%lf",&n1,&n2,&n3,&n4,&m);
if(area(n1,n2,n3,n4,m)>=0)
{
printf("%... |
40 | 19834 | 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("... |
40 | 19835 | 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);... |
40 | 19836 |
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 | 19837 | 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(... |
40 | 19838 | double mj(float a,float b,float c,float d,float e)
{
double t,s,k;
k=(double)3.1415926*e/360;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k)*cos(k))<0)
{
t=-1;
}
else
{
t=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k)*cos(k));
}
return(t);
}
void main()
{
double f;
float a,b,c,d,e;... |
40 | 19839 |
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);
}
... |
40 | 19840 | 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 | 19841 | 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
{
... |
40 | 19842 | 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 | 19843 | int main()
{
double s,a,b,c,d,k,m;
cin>>a>>b>>c>>d>>k;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow((cos(3.1415926*k/360)),2)<0)
cout<<"Invalid input";
else{
m = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow((cos(3.1415926*k/360)),2));
printf("%.4f",m);
}
return 0;
}
|
40 | 19844 | int main()
{
double a,b,c,d,s,e,S;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
double x,y;
x=e*(3.1415926)/360;
y=cos(x);
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*y*y)<0)
{ printf("Invalid input");}
else
{ S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*y*y);
printf... |
40 | 19845 |
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/... |
40 | 19846 |
int main()
{
double a,b,c,d;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
double hh;
scanf("%lf",&hh);
double s;
s = (a+b+c+d)/2;
hh=hh/360*3.141592;
hh=cos(hh);
double S;
double SS=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*hh*hh;
if (SS<0)
{
printf("Invalid input");
return 0;
}
S =... |
40 | 19847 | int main()
{
double a,b,c,d,e,z,s,S,L;
double cos(double x);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
z=e*PI/360;
s=(a+b+c+d)/2;
L=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(z)*cos(z);
if(L<0)
{
printf("Invalid input\n");
}
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(z)*cos(z));
printf("%.4f\n",... |
40 | 19848 | double S(double a, double b, double c, double d, double hudu)
{
double s=(a+b+c+d)/2;
double S2=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(hudu)*cos(hudu);
if(S2<0){
return 1;
}else{
return sqrt(S2);
}
}
int main()
{
double a,b,c,d,e;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%l... |
40 | 19849 | int main(){
float a,b,c,d,e;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&e);
double s,h;
h=(((b+c+d-a)/2)*((a-b+c+d)/2)*((a+b-c+d)/2)*((a+b+c-d)/2)-a*b*c*d*(cos(e*3.1415926/360))*(cos(e*3.1415926/360)));
if(h<0) printf("Invalid input");
else{ s=sqrt(h);
printf("%.4f",s);}}
|
40 | 19850 | int main()
{
double a,b,c,d,e,f,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=0.5*(a+b+c+d);
e=e/2*3.1415926/180;
f=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e);
if (f<0)
{printf("Invalid input");
return 0;
}
printf("%.4lf",sqrt(f));
return 0;
} |
40 | 19851 | double areo(double a,double b,double c,double d,double w)
{double s=0.5*(a+b+c+d);
s=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(w)*cos(w);
if(s<0)
return 0;
else
return sqrt(s);
}
main()
{
double a,b,c,d,s,w,S;
scanf("%lf",&a);
scanf("%lf",&b);
... |
40 | 19852 | 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 | 19853 | 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... |
40 | 19854 |
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 | 19855 | double S(double x,double y,double z,double k,double l);
int main()
{
double a,b,c,d,e,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((PI*e)/360)*cos((PI*e)/360))>0)
{
printf("%.4lf",S(a,b,c,d,e));
}else
{
printf("Invalid input");
}
return 0;
}
do... |
40 | 19856 |
int main()
{
double a,b,c,d,e,f,g,s;
f=0,s=0,g=0;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
if(e>0&&e<360)
{
e=(e/360)*2*(PI);
s=(a+b+c+d)/2;
g=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2)*cos(e/2);
f=sqrt(g);
}
if(g<0)
{
printf("Invalid input\n");
}
else
{
printf("%.4f\n",f);
}
return 0;
} |
40 | 19857 | int main()
{
double a,b,c,d,S;
double n,m;
double square(double a,double b,double c,double d,double n);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
n=cos((m*3.1415926)/360);
S=square(a,b,c,d,n);
if (S>=0)
printf("%.4lf\n",S);
else printf("Invalid input\n");
return 0;
}
double square (double a,double b... |
40 | 19858 |
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 | 19859 | int main(int argc, char* argv[])
{
double a,b,c,d,p,q,s,y;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&p);
s=0.5*(a+b+c+d);
q=0.5*p/180*3.1415926;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q))>=0){
y=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q));
printf("%... |
40 | 19860 | 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*3.1415... |
40 | 19861 | //?????????????????
int main()
{
double mianji(double a,double b,double c,double d,double jiao);
double a,b,c,d,jiao,shuchu;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jiao);
shuchu=mianji(a,b,c,d,jiao);
if(shuchu==-1) /*?????????????*/
printf("Invalid input");
else
printf("%... |
40 | 19862 | 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 | 19863 |
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 | 19864 |
int main(){
double A,B,C,D,E;
double f(double a,double b,double c,double d,double e);
scanf("%lf%lf%lf%lf%lf",&A,&B,&C,&D,&E);
double SS;
SS=f(A,B,C,D,E);
if(SS!=0){
printf("%.4lf",SS);
}
return 0;
}
double f(double a,double b,double c,double d,double e){
double S,s;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s... |
40 | 19865 | main()
{
float a[4];
float k;
float c;
int i;
for(i=0;i<4;i++)
{
scanf("%f",&a[i]);
}
scanf("%f",&c);
c=2*3.1415926*c/360;
k=(a[0]+a[1]+a[2]+a[3])/2;
double s,sq;
sq=(k-a[0])*(k-a[1])*(k-a[2])*(k-a[3]) - a[0]*a[1]*a[2]*a[3]*(d... |
40 | 19866 | int main(int argc, char* argv[])
{
double a1,a2,a3,a4,b;
double s,sum;
scanf("%lf%lf%lf%lf%lf",&a1,&a2,&a3,&a4,&b);
s=0.5*(a1+a2+a3+a4);
sum=sqrt((s-a1)*(s-a2)*(s-a3)*(s-a4)-a1*a2*a3*a4*cos(b*3.1415926/360)*cos(b*3.1415926/360));
if((s-a1)*(s-a2)*(s-a3)*(s-a4)<0)
printf("Invalid input");
else
printf("%.4lf... |
40 | 19867 | 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 | 19868 |
int main(int argc, char* argv[])
{ double a,b,c,d;
int jiaohe;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
scanf("%d",&jiaohe);
if(((0.5*(a+b+c+d)-a)*(0.5*(a+b+c+d)-b)*(0.5*(a+b+c+d)-c)*(0.5*(a+b+c+d)-d) - a*b*c*d*cos(((double)jiaohe/180/2)*3.1415926)*cos(((double)jiaohe/180/2)*3.1415926))<0){printf("Invalid in... |
40 | 19869 | int main(){
double a,b,c,d,e,n,s,x1,x2;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
n=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos((e*PI)/360)*cos((e*PI)/360);
if(n>=0){
x1=1;
x2=(x1+n/x1)/2;
while(x2-x1>JINGDU||x1-x2>JINGDU){
x1=x2;
x2=(x1+n/x1)/2;
}
printf("%.4lf",x2);
}
else if(n<0){
printf("Invalid input");
}
re... |
40 | 19870 | void main()
{
double a, b, c, d, e, s, S;
scanf("%lf", &a);
scanf("%lf", &b);
scanf("%lf", &c);
scanf("%lf", &d);
scanf("%lf", &e);
s=(a+b+c+d)/2.0;
e=e/2.0;
e=e*PI/180;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e)>0)
printf("%.4lf\n", S);
else
printf("... |
40 | 19871 | 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,ae... |
40 | 19872 | 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... |
40 | 19873 |
int main()
{
double a=0,b=0,c=0,d=0,e=0,f=0,s=0,S=0,q=0;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
s=0.5*(a+b+c+d);
f=PI*e/180;
q=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(0.5*f),2);
if(q>=0)
{
S=sqrt(q);
printf("%.4lf",S);
}
else
printf("Invalid input");
return 0;
}
|
40 | 19874 | 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 | 19875 | 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 | 19876 | 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);}
els... |
40 | 19877 | 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 i... |
40 | 19878 |
int main()
{
double a, b, c, d, angle;
double output;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
float square(double a1, double b1, double c1, double d1, double angle1);
output = square(a,b,c,d,angle);
if (output == -1) {
printf("Invalid input");
}
else {
printf("%.4lf",output);
}
return 0;
}... |
40 | 19879 | 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){
... |
40 | 19880 | 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
{
pri... |
40 | 19881 |
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 | 19882 | 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("... |
40 | 19883 | 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... |
40 | 19884 | 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,... |
40 | 19885 | int main()
{
double a,b,c,d,S,alpha,m,n;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alpha);
double s(double a,double b,double c,double d),t(double a,double b,double c,double d),r(double a,double b,double c,double d,double alpha);
m=t(a,b,c,d);
n=r(a,b,c,d,alpha);
if(m<0)
{
printf("Invalid input");
}
else
{
S... |
40 | 19886 | 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,&... |
40 | 19887 | 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()... |
40 | 19888 |
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%l... |
40 | 19889 | int main()
{
double a,b,c,d,e,s,S,PI=3.1415926;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e*PI/360),2));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e*PI/360),2)<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
}
|
40 | 19890 | 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... |
40 | 19891 |
int main ()
{
double a,b,c,d,e,s,S,y;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
S = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e/360* 3.1415926)*cos(e/360*3.1415926);
y=sqrt(S);
if (S>=0) {printf("%.4lf",y);
}else if (S<0) {printf("Invalid input");
}
return 0;
}
|
40 | 19892 | 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));
... |
40 | 19893 | int main()
{
double a,b,c,d;
double m,s,l;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
m=m/360*3.1415926;
m=cos(m);
l=1.0/2*(a+b+c+d);
s=sqrt((l-a)*(l-b)*(l-c)*(l-d)-a*b*c*d*m*m);
if((l-a)*(l-b)*(l-c)*(l-d)-a*b*c*d*m*m>0)
{
printf("%.4lf\n",s);
}
else
if((l-a)*(l-b)*(l-c)*(l-d)-a*b*c*d*m*m<0)
printf("Invali... |
40 | 19894 | int main()
{
double a,b,c,d,g;
double e,f,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
g=(a+b+c+d)/2;
f=P*e/360;
S=sqrt((g-a)*(g-b)*(g-c)*(g-d)-a*b*c*d*pow(cos(f),2));
if((g-a)*(g-b)*(g-c)*(g-d)-a*b*c*d*pow(cos(f),2)<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
}
|
40 | 19895 |
const double pri=3.1415926;
double mianji(double a,double b,double c,double d,double x)
{
double s,t;
s=1.0/2*(a+b+c+d);
x=x/360*pri;
t=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x));
if (t<0) return 0;
else return sqrt(t);
}
void main()
{
double x,y,u,v,w;
scanf("%lf%lf%lf%lf%lf",&x,&y,&u,&v,&w);
if (mianj... |
40 | 19896 | int main()
{
double a,b,c,d,e,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e*PI/180/2),2)>0){
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e*PI/180/2),2));
printf("%.4lf\n",S);
}
else{
printf("Invalid input\n");
}
return 0;
} |
40 | 19897 | 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));
... |
40 | 19898 | void main()
{
double f(double a,double b,double c,double d,double h);
double a,b,c,d,h,final;
char x[]={"Invalid input"};
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&h);
final=f(a,b,c,d,h);
if(final<0)
puts(x);
else printf("%.4lf",final);
}
double f(double a,double b... |
40 | 19899 | 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);
}
r... |
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