label
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stringlengths 1
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stringlengths 87
8.24k
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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+c+d)/2;
f=(q/360)*PI;
test=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if (test<0)
return -1;
else
return (sqrt(test));
}
|
40
|
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 input\n");
}
return 0;
}
|
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>>d>>e;
double y=S(a,b,c,d,e);
if(y<0) cout<<"Invalid input"<<endl;
else cout<<fixed<<setprecision(4)<<sqrt(y)<<endl;
return 0;
}
|
40
|
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,&b,&c,&d,&ang);
f(a,b,c,d,ang);
}
|
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 a1,double b1,double c1,double d1,double alf21)
{
double s,S,alf;
s=(a1+b1+c1+d1)/2;
alf=alf21/360*3.1415926;
if(((s-a1)*(s-b1)*(s-c1)*(s-d1) - a1*b1*c1*d1*pow(cos(alf),2))>=0)
{
S=sqrt((s-a1)*(s-b1)*(s-c1)*(s-d1) - a1*b1*c1*d1*pow(cos(alf),2));
}
else
S=-1;
return S;
}
|
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",S);
return 0;
}
|
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 printf("%.4lf\n",sqrt(ans));
}
|
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("%.4f",S);
}
return 0;
}
|
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)
{
double ang, ss, k, t;
ang = (ty/2)/180*PI;
t = (q+w+e+r)/2;
ss = (t-q)*(t-w)*(t-e)*(t-r) - q*w*e*r*cos(ang)*cos(ang);
/*printf ("%f ", q);*/
if (ss<0)
return -1;
else
{
k = sqrt(ss);
return k;
}
}
|
40
|
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)*cos(e*pai/2/180))<0)printf("Invalid input\n");
else printf("%.4lf\n",S);
return 0;
}
|
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+l2+l3+l4)/2;
if((l0-l1)*(l0-l2)*(l0-l3)*(l0-l4)-l1*l2*l3*l4*cos(a*pi/360)*cos(a*pi/360)>0)
printf("%.4lf\n",space(l1,l2,l3,l4,a));
else
printf("Invalid input\n");
return 0;
}
|
40
|
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,c,d,alpha)<0)
printf("Invalid input");
else
printf("%.4lf",f(a,b,c,d,alpha));
}
|
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("Invalid input");
}
return 0;
}
|
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;
rad=du*PI/360;
ss=(a+b+c+d)/2;
if(((ss-a)*(ss-b)*(ss-c)*(ss-d)-a*b*c*d*cos(rad)*cos(rad))<0)
return 0;
else
{
ps=sqrt((ss-a)*(ss-b)*(ss-c)*(ss-d)-a*b*c*d*cos(rad)*cos(rad));
return ps;
}
}
|
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("%.4f\n",y);
}
return 0;
}
double squ(double a,double b,double c,double d,double e)
{
double s,m,n,f;
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);
m=sqrt(n);
return (m);
}
|
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;
}
return 0;
}
|
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*c*d*cos(z)*cos(z);
if(m<0)
printf("Invalid input");
else
{
S=mj(a,b,c,d,z);
printf("%.4lf",S);
}
}
|
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",S);
return 0;
}
|
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");
}
else {
s0= sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(al)*cos(al));
printf("%.4lf",s0);
}
return 0;
}
|
40
|
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("Invalid input");
return 0;
}
|
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);
printf("%.4lf",n);
}
return 0;
}
|
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);
s=(a+b+c+d)/2;
angel=angel*PI/360;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angel)*cos(angel)<0)
printf("Invalid input");
else
{
ans=square(a,b,c,d,angel);
printf("%.4f",ans);
}
}
|
40
|
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;
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
|
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);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
double n;
n=mianji(a,b,c,d,e);
printf("%.4lf",n);
return 0;
}
|
40
|
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;
s = (a+b+c+d)/2;
PI = 3.1415926;
jiao=PI*jiao/360;
m=cos(jiao);
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*m*m)<0)
{
printf("Invalid input");
}
else
{
s=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*m*m);
printf("%.4lf",s);
}
}
|
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);
}
int main()
{
double a,b,c,d,j,S;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&j);
S=area(a,b,c,d,j);
if(S==-1)
printf("Invalid input");
else
printf("%.4lf",S);
}
|
40
|
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(n),2));
printf("%.4f",s);
}
return 0;
}
|
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("%.4lf",area(n1,n2,n3,n4,m));
}
else printf("Invalid input");
return 0;
}
|
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("%.4f\n",sqrt(x));
return 0;
}
|
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);
printf("%.4f",j);}
return 0;
}
|
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()
{
float a,b,c,d,p,k;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&p);
k=find(a,b,c,d,p);
if(k==0)
{
printf("Invalid input");
}
else
{
printf("%.4f",k);
}
return 0;
}
|
40
|
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;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
f=mj(a,b,c,d,e);
if(f<0)
{printf("Invalid input");}
else
{printf("%.4f",f);}
}
|
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);
}
return 0;
}
|
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
{
S=sqrt(l);
printf("%.4lf\n",S);
}
}
|
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("%.4lf",S);}
getchar();
getchar();
return 0;
}
|
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/2*PI/180;
if(S(a, b, c, d, e)==-1)
printf("Invalid input\n");
else
printf("%.4f\n", S(a, b, c, d, e));
return 0;
}
|
40
|
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 = sqrt(SS);
printf ("%0.4lf",S);
return 0;
}
|
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",S);
}
}
|
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("%lf",&e);
double hudu=e/360*PI;
if(S(a,b,c,d,hudu)==1){
printf("Invalid input");
}else{
printf("%.4lf",S(a,b,c,d,hudu));
}
return 0;
}
|
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);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&w);
w=3.1415926*w/180/2;
s=0.5*(a+b+c+d);
if(areo(a,b,c,d,w)==0)
printf("Invalid input");
else
printf("%.4lf",areo(a,b,c,d,w));
}
|
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){
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
|
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;
}
double S(double x,double y,double z,double k,double l)
{
double c,s;
s = (x+y+z+k)/2;
c = sqrt((s-x)*(s-y)*(s-z)*(s-k) - x*y*z*k*cos((PI*l)/360)*cos((PI*l)/360));
return(c);
}
|
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,double c,double d,double n){
double s,S;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*n*n);
return (S);
}
|
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("%.4lf\n",y);
}
else{
printf("Invalid input\n");
}
return 0;
}
|
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*3.1415926)<0)
printf("Invalid input");
else
printf("%.4lf", S);
return 0;
}
|
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("%.4lf",shuchu);
return 0;
}
//??????????????????
double mianji(double a,double b,double c,double d,double jiao)
{
double result,hu,s,panduan;
hu=jiao/180*PI/2;
s=(a+b+c+d)/2;
panduan=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(hu)*cos(hu);
if(panduan<0) /*????????????????*/
result=-1;
else
result=sqrt(panduan);
return result;
}
|
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-d) - a*b*c*d*cos(e*p/360)*cos(e*p/360)<0){
printf("Invalid input");
return 0;
}
else{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*p/360)*cos(e*p/360));
return 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]*(double)cos(c/2)*(double)cos(c/2);
if(sq<0)
printf("Invalid input");
else
{
s=sqrt(sq);
printf("%.4f",s);
}
}
|
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",sum);
return 0;
}
|
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 input");}
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("%.4lf\n", sqrt((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)));}
return 0;
}
|
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");
}
return 0;
}
|
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("Invalid input\n");
}
|
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,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
|
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-d)-a*b*c*d*cos(y)*cos(y);
if(S<0)
printf("Invalid input");
else
printf("%.4lf",sqrt(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);}
else
printf("Invalid input");
return 0;
}
|
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 input\n");
}
}
void main()
{
float S,a,b,c,d,e;
scanf("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&e);
s(a,b,c,d,e);
}
|
40
|
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;
}
float square(double a1, double b1, double c1, double d1, double angle1){
double s;
double S;
double cs;
double sqr;
s = (a1 + b1 + c1 + d1) / 2;
cs = cos(angle1 * PI / 360 );
sqr = (s - a1) * (s - b1) * (s - c1) * (s - d1) - a1 * b1 * c1 * d1 * cs * cs;
if (sqr < 0) {
return -1;
}
else {
S = sqrt(sqr);
return S;
}
}
|
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){
printf("%.4lf", S);
}
else printf("Invalid input");
return 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
{
printf("%.4lf",S);
}
return 0;
}
|
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("%.4f\n",sum);}return 0;
}
|
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("%.4f",tmp);
eof:;
}
|
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,e);
}
|
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=sqrt(m-n);
printf("%.4lf",S);
}
return 0;
}
double s(double a,double b,double c,double d)
{
double w,z;
w=(a+b+c+d);
z=w/2;
return(z);
}
double t(double a,double b,double c,double d)
{
double x,h,i,j,k,l;
x=s(a,b,c,d);
h=x-a;
i=x-b;
j=x-c;
k=x-d;
l=h*i*j*k;
return(l);
}
double r(double a,double b,double c,double d,double alpha)
{
double p,q,y;
p=alpha/720;
q=p*2*PI;
y=a*b*c*d*cos(q)*cos(q);
return(y);
}
|
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,&b,&c,&d,&e);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
if(f(a,b,c,d,e)<0)
printf("Invalid input");
else
{S=sqrt(f(a,b,c,d,e));
printf("%.4lf",S);
}
}
|
40
|
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()
{
double a,b,c,d;
double alpha;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&alpha);
f(a,b,c,d,alpha);
}
|
40
|
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%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
|
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 0;
}
|
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));
}
else printf("Invalid input");
return 0;
}
double area(double a,double b,double c,double d,double alpha)
{
double S,s;
s=(a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alpha/360*PI)*cos(alpha/360*PI));
return(S);
}
|
40
|
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("Invalid input\n");
return 0;
}
|
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 (mianji(x,y,u,v,w))
printf("%.4lf",mianji(x,y,u,v,w));
else printf("Invalid input");
}
|
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));
if(g<0)
printf("Invalid input");
else
{
double s;
s=sqrt(g);
printf("%.4lf",s);
}
getchar();
getchar();
}
|
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,double c,double d,double h)
{
double under,s;
h=h/180*PI;
s=(a+b+c+d)/2;
under=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(h/2)*cos(h/2);
if(under>=0) return (sqrt(under));
else return(-1);
}
|
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);
}
return 0;
}
|
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