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stringlengths 87
8.24k
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40
|
19600
|
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
|
19601
|
double area(double a,double b,double c,double d,double angle){
double s,k,S;
s=(a+b+c+d)/2;
k=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
if(k>=0){
S=sqrt(k);
}else{
S=-1;
}
return S;
}
int main(int argc, char* argv[])
{
double a,b,c,d,angle,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
angle=angle/360*PI;
s=area(a,b,c,d,angle);
if(s==-1){
printf("Invalid input\n");
}else{
printf("%.4lf\n",s);
}
return 0;
}
|
40
|
19602
|
int main()
{
double a,b,c,d,s,S,m,theta,alpha;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&theta);
s=(a+b+c+d)/2;
alpha=theta/180*3.1415926;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(alpha/2),2);
if(m<0)
printf("Invalid input\n");
else
printf("%.4lf",sqrt(m));
return 0;
}
|
40
|
19603
|
int main()
{
double a,b,c,d,s,S;
double e,x;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
e=cos(x/720*2*PI);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e*e);
if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e*e)<0)
printf("Invalid input\n");
if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e*e)>=0)
printf("%.4lf\n",S);
return 1;
}
|
40
|
19604
|
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
|
19605
|
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
|
19606
|
int main()
{
double S(double a,double b,double c,double d,double e);
double a1,b1,c1,d1,e1,e2;
scanf("%lf%lf%lf%lf%lf",&a1,&b1,&c1,&d1,&e1);
e2=e1/360*PI;
if(S(a1,b1,c1,d1,e2)==0){
printf("Invalid input\n");
}
else{
printf("%.4lf\n",S(a1,b1,c1,d1,e2));
}
return 0;
}
double S(double a,double b,double c,double d,double e)
{
double delta,s,S;
s=(a+b+c+d)/2;
delta=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e);
if(delta<0){
S=0;
}
else{
S=sqrt(delta);
}
return S;
}
|
40
|
19607
|
void main()
{
double S(double ,double ,double ,double ,double );
double a,b,c,d,sq,angle;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
sq=S(a,b,c,d,angle);
if(sq==0) printf("Invalid input");
else
printf("%.4f",sq);
}
double S(double a,double b,double c,double d,double angle)
{
double s,S,x,y;
s=(a+b+c+d)/2;
x=cos(angle/360*3.1415926);
y=x*x;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*y)<0) return(0);
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*y);
return(S);
}
}
|
40
|
19608
|
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
|
19609
|
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
|
19610
|
int main(){
float a,b,c,d;
float an;
scanf("%f\n %f\n %f\n %f\n %f\n",&a,&b,&c,&d,&an);
float s;
s = (a+b+c+d)/2;
float angel=an*2*3.1415926/360;
double S;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(angel/2))*(cos(angel/2)));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(angel/2))*(cos(angel/2))<0){
printf("Invalid input");
}
else{
printf("%.4lf",S);
}
return 0;
}
|
40
|
19611
|
double area(double a,double b,double c,double d,double arpha)
{
double s,S,temp;
s=(a+b+c+d)/2;
arpha*=0.5*PI/180;
temp=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(arpha)*cos(arpha);
if (temp<0)
return -1;
else
{
S=sqrt(temp);
return S;
}
}
main()
{
double a,b,c,d,arpha,S,temp;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&arpha);
temp=area(a,b,c,d,arpha);
if (temp<0)
printf("Invalid input");
else
{
printf("%.4f",temp);
}
}
|
40
|
19612
|
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
|
19613
|
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
|
19614
|
int main(int argc, char* argv[])
{
double a,b,c,d,e,f,h,s,i,j,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
f=e/2;
h=cos ((f/360)*2*3.1415926);
s =(a+b+c+d)/2;
i=(s-a)*(s-b)*(s-c)*(s-d);
j=(a*b*c*d*h*h);
if( i-j<0){
printf("Invalid input\n");
}
else
{S = sqrt(i-j);
printf("%.4lf\n",S);}
return 0;
}
|
40
|
19615
|
void main()
{
double s(double a,double b,double c,double d,double t);
int i;
double l[5];
for(i=0;i<=4;i++)
scanf("%lf",&l[i]);
if(s(l[0],l[1],l[2],l[3],l[4])<0)
printf("Invalid input");
else
printf("%.4lf",sqrt(s(l[0],l[1],l[2],l[3],l[4])));
}
double s(double a,double b,double c,double d,double t)
{
double x,m;
t=t/360*3.1415926;
m=(a+b+c+d)/2;
x=(m-a)*(m-b)*(m-c)*(m-d)-a*b*c*d*cos(t)*cos(t);
return(x);
}
|
40
|
19616
|
int main()
{
double a,b,c,d,e,f,s,S,g;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=e/180*3.1415926;
g=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f/2)*cos(f/2);
if(g<0)
printf("Invalid input");
else
{
S=sqrt(g);
printf("%.4lf",S);
}
return 0;
}
|
40
|
19617
|
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
|
19618
|
int main()
{
double a,b,c,d,s,p,q,size; /*p???????????*/
double sumangel,angel;
const double PI=3.1415926;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&sumangel);
s=(a+b+c+d)/2;
angel=sumangel/180*PI/2;
q=cos(angel);
p=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*q*q;
if(p>=0)
{
size=sqrt(p);
printf("%.4f\n",size);
}
else
printf("Invalid input");
return 0;
}
|
40
|
19619
|
int main()
{
double a,b,c,d,m,n;
scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&n);
double s=(a+c+d+b)/2;
m=(n/360)*p;
double S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(m)*cos(m));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(m)*cos(m)>=0)
{
printf("%.4f",S);
}
else
{
printf("Invalid input");
}
return 0;
}
|
40
|
19620
|
// ????????????.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
|
19621
|
int main()
{double a,b,c,d,e,s,l,k;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
k=e/180*3.1415926;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k/2)*cos(k/2)<0)
printf("Invalid input");
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k/2)*cos(k/2)>0)
{l = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k/2)*cos(k/2));
printf("%.4lf",l);}
return 0;
}
|
40
|
19622
|
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
|
19623
|
main()
{
double a,b,c,d,s,x,y,z;
const double PI=3.1415926;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
x=x*PI/360;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x);
if(y>0)
{
z=sqrt(y);
printf("%.4lf\n",z);
}
else
printf("Invalid input\n");
getchar();getchar();getchar();getchar();
}
|
40
|
19624
|
void main()
{
double a,b,c,d,m,s,S,t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
m=m/360*pi;
s=(a+b+c+d)/2;
t=cos(m)*cos(m);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*t<0)
printf("Invalid input\n");
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*t);
printf("%.4lf\n",S);
}
}
|
40
|
19625
|
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
|
19626
|
void main ()
{
double rtrt(double a,double b,double c,double d,double angle);
double area,p,a,b,c,d,angle;
scanf ("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&angle);
p=rtrt(a,b,c,d,angle);
if (p<0)
printf("Invalid input");
else
{
area=sqrt(p);
printf("%.4lf",area);
}
}
double rtrt(double a,double b,double c,double d,double angle)
{
double pi=3.1415926;
double s,p;
s=(a+b+c+d)/2;
angle=(angle*pi)/360.0;
p=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
return p;
}
|
40
|
19627
|
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
|
19628
|
void area(double a,double b,double c,double d,double r);
int main()
{
double a[5],S;
int i;
for(i=0;i<5;i++)
{
scanf("%lf",&a[i]);
}
area(a[0],a[1],a[2],a[3],a[4]);
return 0;
}
void area(double a,double b,double c,double d,double r)
{
double s,t,S;
s=(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(r*PI/360)*cos(r*PI/360);
if(t>=0)
{
S=sqrt(t);
printf("%.4lf\n",S);
}
else
{
printf("Invalid input\n");
}
}
|
40
|
19629
|
int main()
{
double mianji(double X);
double a,b,c,d,alpha,s,S;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&alpha);
alpha=alpha*PI/360;
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alpha)*cos(alpha);
if(S<0){
printf("Invalid input");
} else{
printf("%.4lf",mianji(S));
}
return 0;
}
double mianji(double X){
double S2;
S2=sqrt(X);
return (S2);
}
|
40
|
19630
|
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
|
19631
|
float getSqrt(float S);
int main(int argc, char* argv[])
{
double a,b,c,d,e,s,S,f;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
f=360;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/f)*cos(e*PI/f));
if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/f)*cos(e*PI/f))>0)
printf("%.4lf\n",S);
else
printf("Invalid input\n");
return 0;
}
|
40
|
19632
|
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
|
19633
|
void main(int argc,char*argv[])
{
double a,b,c,d,e,s,area,temp,angle;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
angle=pi*(e/360);
s=(a+b+c+d)/2;
temp=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
if(temp<0)
printf("Invalid input");
else
{
area=sqrt(temp);
printf("%.4f\n",area);
}
}
|
40
|
19634
|
void main()
{
double a,b,c,d,e,f,s,S,t;
int i;
double g[5];
for(i=0;i<5;i++)
scanf("%lf",&g[i]);
s=(double)(g[0]+g[1]+g[2]+g[3])/(double)2;
f=(double)g[4]/(double)180*3.1415926;
t=(s-g[0])*(s-g[1])*(s-g[2])*(s-g[3])-g[0]*g[1]*g[2]*g[3]*cos(f/2)*cos(f/2);
if(t<0) printf("Invalid input");
else
{
S=sqrt(t);
printf("%.4lf",S);
}
}
|
40
|
19635
|
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
|
19636
|
int main()
{
float a,b,c,d;
float e,S,s,g,m;
scanf("%f%f%f%f",&a,&b,&c,&d);
scanf("%f",&e);
g=(float)e/360*3.1415926;
s=(float)1.0/2*(a+b+c+d);
m=(float)(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(g)*cos(g);
if (m<0)
{
printf("Invalid input");
}
else
{S=(float)sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(g)*cos(g));
printf("%.4f",S);}
return 0;
}
|
40
|
19637
|
main()
{
double a,b,c,d,w,s;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&w);
w=PI*w/180/2;
s=0.5*(a+b+c+d);
s=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(w)*cos(w);
if(s<0) printf("Invalid input");
else printf("%.4lf",sqrt(s));
getchar();
getchar();
getchar();
}
|
40
|
19638
|
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
|
19639
|
double getarea(double a,double b,double c,double d,double e,double jiaodu);
int main ()
{
double k,l,m,n,s,jiao;
double area,zanshi;
scanf("%lf%lf%lf%lf%lf",&k,&l,&m,&n,&jiao);
s=(k+l+m+n)/2;
jiao=jiao/360*PI;
jiao=cos(jiao);
zanshi=getarea(k,l,m,n,s,jiao);
if(zanshi<0){
printf("Invalid input");
}
else{
area=sqrt(zanshi);
printf("%.4lf",area);
}
return 0;
}
double getarea(double a,double b,double c,double d,double e,double jiaodu)
{
double zanshimianji;
zanshimianji=(double)((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*jiaodu*jiaodu);
return zanshimianji;
}
|
40
|
19640
|
int main(){
double a,b,c,d,s,x,Y;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=1.0/2*(a+b+c+d);
x/=2;
Y=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x*3.1415926/180)*cos(x*3.1415926/180));
if((s-a)*(s-b)*(s-c)*(s-d) < a*b*c*d*cos(x*3.1415926/180)*cos(x*3.1415926/180)){
printf("Invalid input");
}else{
printf("%.4lf",Y);
}
return 0;
}
|
40
|
19641
|
int main()
{
double a,b,c,d,s,e,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)>0)
{S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926));
printf("%.4lf",S);}
else
printf("Invalid input");
return 0;
}
|
40
|
19642
|
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
|
19643
|
int main(int argc, char* argv[])
{
double a,b,c,d,ang,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&ang);
double rad=ang/2/180*3.1415926;
double s=(a+b+c+d)/2;
double gen=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(rad)*cos(rad);
if(gen<0)
{
printf("Invalid input");
}
else
{
S=sqrt(gen);
printf("%.4f",S);
}
return 0;
}
|
40
|
19644
|
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
|
19645
|
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
|
19646
|
int main(int argc, char* argv[])
{
double a,b,c,d,x,s,S,y,m;
double PI=3.1415926;
scanf("%lf %lf %lf %lf %lf", &a, &b, &c, &d, &x);
s=(a+b+c+d)/2;
y=(x * PI)/360;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y));
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y);
if(m<0)
printf("Invalid input");
else
printf("%.4lf\n",S);
return 0;
}
|
40
|
19647
|
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
|
19648
|
int main()
{
int i;
double a[5],s,S,e;
for(i=0;i<5;i++){
scanf("%lf",&a[i]);}
s=(a[1]+a[2]+a[3]+a[0])/2;
e=((s-a[1])*(s-a[2])*(s-a[3])*(s-a[0])-a[1]*a[2]*a[3]*a[0]*cos(a[4]/2*3.1415926/180)*cos(a[4]/2*3.1415926/180));
if(e<0){
printf("Invalid input");}
else{
S=sqrt(e);
printf("%.4lf",S);}
return 0;
}
|
40
|
19649
|
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
|
19650
|
void S(double a,double b,double c,double d,double angle)
{
double s;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle*PI/360)*cos(angle*PI/360)>=0)
{
printf("%.4lf",pow(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle*PI/360)*cos(angle*PI/360)),0.5));
}else{
printf("Invalid input");
}
}
int main(int argc, char* argv[])
{
double a,b,c,d,angle;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
S(a,b,c,d,angle);
return 0;
}
|
40
|
19651
|
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
|
19652
|
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
|
19653
|
double mianji(double a,double b,double c,double d,double O)
{
double S,s;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(O)*cos(O)>=0)
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(O)*cos(O));
else
S=-1;
return S;
}
main()
{
double a,b,c,d,o,O;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&o);
O=2*PI*(o/2)/360;
if(mianji(a,b,c,d,O)==-1)
printf("Invalid input\n");
else
printf("%.4lf\n",mianji(a,b,c,d,O));
}
|
40
|
19654
|
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
|
19655
|
main()
{
int i,j;
float a,b,c,d,s,angle,S,delta;
scanf("%f\n%f\n%f\n%f\n%f\n",&a,&b,&c,&d,&angle);
angle/=2;
angle/=360;
angle*=(2*3.1415926);
s=(a+b+c+d)/2;
delta=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
if(delta<0)
printf("Invalid input");
else
{
S=sqrt(delta);
printf("%.4f",S);
}
}
|
40
|
19656
|
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
|
19657
|
int main()
{
double a=0,b=0,c=0,d=0,e=0,f=0,s=0;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
f=(a+b+c+d)/2;
s=sqrt((f-a)*(f-b)*(f-c)*(f-d)-a*b*c*d*cos(e/360*pi)*cos(e/360*pi));
if(s>=0)
printf("%.4lf",s);
else
printf("Invalid input\n");
return 0;
}
|
40
|
19658
|
double MyComputeArea();
int main()
{
double MyQuadrangleArea=0;
MyQuadrangleArea=MyComputeArea();
if(MyQuadrangleArea<0)
{
printf("Invalid input\n");
}
else
{
printf("%.4lf\n",MyQuadrangleArea);
}
return 0;
}
double MyComputeArea()
{
double MyQuadrangleArea=0;
double side1=0,side2=0,side3=0,side4=0,angle=0;
scanf("%lf",&side1);
scanf("%lf",&side2);
scanf("%lf",&side3);
scanf("%lf",&side4);
scanf("%lf",&angle);
double MyAngle=angle*PI/180.0;
//printf("%.4lf\n",MyAngle);
double s=0;
s=(side1+side2+side3+side4)/2.0;
//S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos2?);
if((s-side1)*(s-side2)*(s-side3)*(s-side4)-side1*side2*side3*side4*(1+cos(MyAngle))/2>=0)
{
MyQuadrangleArea=sqrt((s-side1)*(s-side2)*(s-side3)*(s-side4)-side1*side2*side3*side4*(1+cos(MyAngle))/2);
}
else
{
return -1;
}
return MyQuadrangleArea;
}
|
40
|
19659
|
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
|
19660
|
int main()
{
double a=0,b=0,c=0,d=0,q=0,s=0,e=0,t=0;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
s=(a+b+c+d)/2;
t=q/2/180*PI;
e=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t)*cos(t);
if (e>=0){
s = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t)*cos(t));
printf("%.4lf",s) ;
}
else printf("Invalid input");
return 0;
}
|
40
|
19661
|
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
|
19662
|
int main()
{
double a,b,c,d,de;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&de);
double aa;
aa=( de/2 )* PI / 180;
double S,s;
s = (a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(aa)*cos(aa));
if((s-a)*(s-b)*(s-c)*(s-d)>=0)
printf("%.4f\n",S);
else
printf("Invalid input");
return 0;
}
|
40
|
19663
|
double s,a,b,c,d,angle;
int main()
{
double area(double x,double y,double z,double w,double foot);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&angle);
if(area(a,b,c,d,angle)>=0)printf("%.4lf",area(a,b,c,d,angle));
else printf("Invalid input");
}
double area(double x,double y,double z,double w,double foot)
{
double AREA,s,num,PI=3.1415926;
s=(x+y+z+w)/2;
num=(s-x)*(s-y)*(s-z)*(s-w)-x*y*z*w*cos(foot/360*PI)*cos(foot/360*PI);
if(num>=0)return(sqrt(num));
else return(-1);
}
|
40
|
19664
|
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
|
19665
|
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
|
19666
|
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
|
19667
|
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
|
19668
|
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
|
19669
|
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
|
19670
|
void main()
{
double a,b,c,d,x,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
x=3.1415926*x/360;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)<0)
printf("Invalid input");
else
printf("%.4f",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)) );
}
|
40
|
19671
|
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
|
19672
|
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
|
19673
|
void asdf()
{
double a,b,c,d,t,s,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&t);
t=t*3.1415926/360;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(t)*cos(t))>=0)
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(t)*cos(t));
printf("%.4lf",S);
}
else printf("Invalid input");
}
void main()
{
void asdf();
asdf();
}
|
40
|
19674
|
void main()
{
double area(double a,double b,double c,double d,double m);
double S,s,a,b,c,d,m;
void print();
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&m);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)<a*b*c*d*cos(m*PI/360)*cos(m*PI/360))
print();
else
{
S=area(a,b,c,d,m);
printf("%.4lf",S);
}
}
void print()
{
printf("Invalid input");
}
double area(double a,double b,double c,double d,double m)
{
double S,s;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(m*PI/360)*cos(m*PI/360));
return(S);
}
|
40
|
19675
|
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
|
19676
|
void main()
{
float a,b,c,d,x,s;
scanf("%f\n",&a);
scanf("%f\n",&b);
scanf("%f\n",&c);
scanf("%f\n",&d);
scanf("%f",&x);
float y,z;
y=x*PI/360;
z=(a+b+c+d)/2;
if( sqrt((z-a)*(z-b)*(z-c)*(z-d) - a*b*c*d*cos(y)*cos(y))>=0)
{
s=sqrt((z-a)*(z-b)*(z-c)*(z-d) - a*b*c*d*cos(y)*cos(y));
printf("%.4f",s);
}
else
printf("Invalid input\n");
}
|
40
|
19677
|
int main()
{
double s,a,b,c,d,angle,S,x;
scanf("%lf%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");
}
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*x)>=0)
{
printf("%.4lf",S);
}
return 0;
}
|
40
|
19678
|
main()
{
double a,b,c,d,s,p;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
s=(a+b+c+d)/2;
double S;
scanf("%lf",&p);
p=p/2;
p=(p/180)*3.1415926;
double q=cos(p);
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(q,2))<0)
printf("Invalid input");
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(q,2));
printf("%.4f",S);
}
}
|
40
|
19679
|
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
|
19680
|
double i(double a,double b,double c,double d,double n)
{
double s,S,pi,k;
pi=3.1415926;
s=(a+b+c+d)/2;
k=n/180*pi;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k/2)*cos(k/2);
if(S<0)
printf("Invalid input");
else
printf("%.4lf",sqrt(S));
return 0;
}
int main()
{
double a,b,c,d,n;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&n);
i(a,b,c,d,n);
}
|
40
|
19681
|
int main()
{
double S,s,a,b,c,d,e,f(double a,double b,double c,double d,double e);
int m,n,i,j,k,t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
S=f(a,b,c,d,e);
if(S!=0)
printf("%.4lf",S);
else
printf("Invalid input");
}
double f(double a,double b,double c,double d,double e)
{
double s,n,m;
s=(a+b+c+d)/2;m=e/2/360*2*P;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(m)*cos(m))>0)
n=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(m)*cos(m));
else
n=0;
return(n);
}
|
40
|
19682
|
int main()
{
double a,b,c,d,e,s,x,y,z,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
x=e/180*3.1415926;
y=pow(cos(x/2) ,2);
s=(a+b+c+d)/2;
z=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*y;
S=sqrt(z);
if(z<0){
printf("Invalid input");
}else {
printf("%.4lf",S);
}
return 0;
}
|
40
|
19683
|
float area(float a,float b,float c,float d,float s,float p);
float a,b,c,d,m;
float r,s,p=0,S,mj;
int main()
{
scanf("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&m);
mj=area(a, b, c, d, s, p);
if (mj<0)
printf("Invalid input\n");
else
printf("%.4f\n",mj);
return 0;
}
float area(float a,float b,float c,float d,float s,float p)
{
p=(m* PI)/(2*180);
s = (a+b+c+d)/2;
S = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p)*cos(p);
if (S>=0)
mj= sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p)*cos(p));
else
mj=-1;
return mj;
}
|
40
|
19684
|
int main()
{
double a,b,c,d,s,x,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s = 1.0/2*(a+b+c+d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos((x/360)*3.1415926),2));
if(S>0)
printf("%.4lf\n",S);
else printf("Invalid input\n");
return 0;
}
|
40
|
19685
|
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
|
19686
|
int main(){
double a,b,c,d,e,S;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
if((((a+b+c+d)/2-a)*((a+b+c+d)/2-b)*((a+b+c+d)/2-c)*((a+b+c+d)/2-d) - a*b*c*d*cos(e/360*PI)*cos(e/360*PI))>=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*cos(e/360*PI)*cos(e/360*PI));
printf("%.4f",S);
}else{
printf("Invalid input");
}
return 0;
}
|
40
|
19687
|
void main()
{
double a,b,c,d,e,S,s,PI=3.1415926,E;
double A,B,C;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
E=(e/2)*(PI/180);
A=(s-a)*(s-b)*(s-c)*(s-d);
B=cos(E)*cos(E)*a*b*c*d;
C=A-B;
if(C<0) printf("Invalid input\n");
if(C>=0)
{
S=sqrt(C);
printf("%.4lf\n",S);
}
}
|
40
|
19688
|
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
|
19689
|
double sq(double a,double b,double c,double d,double ang);
int main()
{
double a,b,c,d,ang,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&ang);
s=sq(a,b,c,d,ang);
if(s!=0)
printf("%.4lf",s);
return 0;
}
double sq(double a,double b,double c,double d,double ang){
double l=(a+b+c+d)/2;
double rad=PI*ang/360;
double m=cos(rad);
double n=(l-a)*(l-b)*(l-c)*(l-d)-a*b*c*d*m*m;
if(n<0){
printf("Invalid input");
return 0;
}
double t=sqrt(n);
return t;
}
|
40
|
19690
|
main()
{
double a,b,c,d;
double S,s;
double q,y,w;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
s=(a+b+c+d)/2;
w=(double)q*PI/180;
y=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((double)(w/2))*cos((double)(w/2));
if(y<0)
printf("Invalid input\n");
else
{S = sqrt(y);
printf("%.4f\n",S);}
}
|
40
|
19691
|
int main()
{
double a,b,c,d,aq,s,re;
cin>>a>>b>>c>>d>>aq;
if(a+b+c>d&&a+c+d>b&&a+b+d>c&&b+c+d>a)
{
s=(a+b+c+d)/2;
re=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(aq*Pi/360)*cos(aq*Pi/360));
printf("%.4lf",re);
}
else cout<<"Invalid input";
}
|
40
|
19692
|
double getarea(double a,double B,double c,double d,double e);
int main()
{
double a,B,c,d,e,f;
scanf("%lf",&a);
scanf("%lf",&B);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
f=getarea(a,B,c,d,e);
if(f==-1)
{
printf("Invalid input");
}
else
{
printf("%.4f",f);
}
return 0;
}
double getarea(double a,double B,double c,double d,double e)
{
double area,s;
s=(a+B+c+d)/2;
if((s-a)*(s-B)*(s-c)*(s-d) - a*B*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926)>=0)
area= sqrt((s-a)*(s-B)*(s-c)*(s-d) -a*B*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926));
else
area=-1;
return area;
}
|
40
|
19693
|
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
|
19694
|
double mianji(double a,double b,double c,double d,double s,double ww)
{
double www;
double PI=3.1415926;
www= (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ww*PI/360)*cos(ww*PI/360);
if(www<0)
{
return(-1);}
else
return(sqrt(www));
}
main()
{
double a,b,c,d;
scanf("%lf %lf %lf %lf",&a,&b,&c,&d);
double s=(a+b+c+d)/2;
double ww;
scanf("%lf",&ww);
ww=ww;
double ss=-1;
ss=mianji(a,b,c,d,s,ww);
if(ss>=0)
printf("%.4lf",ss);
else
printf("Invalid input");
}
|
40
|
19695
|
int main(){
double a,b,c,d;
double e,S,s,n;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
n=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e/360*PI)*cos(e/360*PI);
if(n>=0) printf("%.4lf",sqrt(n));
else printf("Invalid input");
return 0;
}
|
40
|
19696
|
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
|
19697
|
float area(float a,float b,float c,float d,float angle){
float s,e;
s=(a+b+c+d)/2;
e=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle/2/180*3.1415926)*cos(angle/2/180*3.1415926);
if(e<0){
return -1;
}
else{
return sqrt(e);
}
}
int main(){
float a,b,c,d,angle;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&angle);
if(area(a,b,c,d,angle)==-1){
printf("Invalid input");
}else{
printf("%.4f",area(a,b,c,d,angle));
}
return 0;
}
|
40
|
19698
|
int main()
{
float a,b,c,d,e;
double t,n,m;
scanf("%f %f %f %f\n",&a,&b,&c,&d);
scanf("%lf",&t);
e= (a+b+c+d)/2;
n = sqrt((e-a)*(e-b)*(e-c)*(e-d) - a*b*c*d*cos(t*PI/360)*cos(t*PI/360));
m=(e-a)*(e-b)*(e-c)*(e-d) - a*b*c*d*cos(t*PI/360)*cos(t*PI/360);
if(m<0)
{
printf("Invalid input");
}
if(m>=0)
{
printf("%.4lf",n);
}
return 0;
}
|
40
|
19699
|
double f(double a,double b,double c,double d,double jiaodu){
double x,y,s;
s=(a+b+c+d)/2;
x=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jiaodu*pi/360)*cos(jiaodu*pi/360);
if(x<0){
y=-1;
}else{
y=sqrt(x);
}
return y;
}
int main(){
double a,b,c,d;
double jiaodu;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jiaodu);
double square;
square=f(a,b,c,d,jiaodu);
if(square==-1){
printf("Invalid input");
}else{
printf("%.4lf",square);
}
return 0;
}
|
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