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stringlengths 1
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stringlengths 87
8.24k
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40
|
19700
|
int main()
{
double a,b,c,d,s,S,k,t;
scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&k);
s = (a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*PI/2/180)*cos(k*PI/2/180);
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*PI/2/180)*cos(k*PI/2/180));
if(t>0)
{
printf("%.4lf",S);
}
else if(t<0)
{
printf("Invalid input");
}
return 0;
}
|
40
|
19701
|
int main(int argc, char* argv[])
{
double a,b,c,d,A,S;
cin>>a>>b>>c>>d;
cin>>A;
const double s=(a+b+c+d)/2;
const double pi=3.1415926;
if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(A/180*pi/2),2))<0) cout<<"Invalid input"<<endl;
else
{S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(A/180*pi/2),2));
cout<<fixed<<setprecision(4)<<S<<endl;}
return 0;
}
|
40
|
19702
|
int main(int argc, char* argv[])
{
double a,b,c,d,y,x,S,s,m;
scanf ("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
y=x*PI/180;
m=cos(y/2);
if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*m*m)<0)
printf ("Invalid input");
else{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*m*m);
printf ("%.4lf\n",S);
}
return 0;
}
|
40
|
19703
|
int main(){
double sqrt(double);
double a,b,c,d,e;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
double S;
double t;
t=(e/180)*p;
if(m>=0){
S=sqrt(m);
printf("%.4lf",S);
}
else{
printf("Invalid input");
}
return 0;
}
|
40
|
19704
|
int main()
{
double a,b,c,d,e,f,s,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
f=e*PI/180;
if( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f/2)*cos(f/2)>0)
{
m = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f/2)*cos(f/2));
printf("%.4lf\n",m);
}
else
{
printf("Invalid input");
}
return 0 ;
}
|
40
|
19705
|
int main()
{
float a,b,c,d,s,ans;
double m,n;
cin>>a>>b>>c>>d>>n;
s=(a+b+c+d)/2;
m=(n/2)*3.1415926/180;
ans =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("Invalid input\n");
}
else
{
printf("%.4f",ans);
}
return 0;
}
|
40
|
19706
|
double f(double a,double b,double c,double d,double w )
{
double q;
q=w/2.0* 3.1415926/180.0;
double s,ss;
s=(a+b+c+d)/2.0;
ss=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q));
return (ss);
}
main()
{
double a;
double b;
double c;
double d;
double w;
double z,s;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&w);
s=(a+b+c+d)/2.0;
double q,g;
q=w/2.0*3.1415926/180.0;
z=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q);
if(z<0)
{
printf("Invalid input");
}
else
{
g=f(a,b,c,d,w);
printf("%.4lf",g);
}
getchar();
getchar();
}
|
40
|
19707
|
int main()
{
double a,b,c,d,s,x,y,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&x);
s=1.0/2.0*(a+b+c+d);
y = x/360*3.1415926;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(y)*cos(y)));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(y)*cos(y))<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
}
|
40
|
19708
|
double area(double a,double b,double c,double d,double e)
{
double s,k;
s=(a+b+c+d)/2;
e=cos(e/360*PI);
e=e*e;
s=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e);
if (s>=0)
k=sqrt(s);
else k=-1;
return k;
}
int main()
{
double a1,b1,c1,d1,e1,s1;
scanf("%lf%lf%lf%lf%lf",&a1,&b1,&c1,&d1,&e1);
s1=area(a1,b1,c1,d1,e1);
if (s1==-1)
printf("Invalid input");
else
printf("%.4lf",s1);
return 0;
}
|
40
|
19709
|
double area(double x,double y,double z,double p,double q);
int main()
{
double a,b,c,d,e,result;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
result=area(a,b,c,d,PI*e/360);
if(result==0){
printf("Invalid input");
}else{
printf("%.4lf",result);
}
return 0;
}
double area(double x,double y,double z,double p,double q){
double s;
s=(x+y+z+p)/2;
if((s-x)*(s-y)*(s-z)*(s-p)-x*y*z*p*cos(q)*cos(q)<0){
return 0;
}else{
return sqrt((s-x)*(s-y)*(s-z)*(s-p)-x*y*z*p*cos(q)*cos(q));
}
}
|
40
|
19710
|
main()
{
float a,b,c,d,s,S,J,j;
scanf("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&J);
j=(float)(3.1415926*J)/360;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j))>1e-6)
{S=(float)sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j));
printf("%.4f",S);
}
else
printf("Invalid input");
}
|
40
|
19711
|
const double pi=3.1415926;
int main()
{
double t , a , b , c , d , x , s ;
cin>>a>>b>>c>>d>>x;
s=(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos( x*pi/360 )*cos( x*pi/360 );
if( t<0 ) cout<<"Invalid input";
else printf("%.4f",sqrt(t));
}
|
40
|
19712
|
void main()
{
double a,b,c,d,e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
void square(double,double,double,double,double);
square(a,b,c,d,e);
}
void square(double a,double b,double c,double d,double e)
{
double s,o,S,f;
f=e/2;
s=(a+b+c+d)/2;
o=(PI*f)/180;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o)*cos(o))<0)
printf("Invalid input\n");
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o)*cos(o));
printf("%.4lf",S);}
}
|
40
|
19713
|
void main()
{
double a, b, c, d, S, s, k, t;
scanf("%lf\n%lf\n%lf\n%lf\n%lf", &a, &b, &c, &d, &k);
s = (a+b+c+d)/2;
t = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*(PI)/180/2)*cos(k*(PI)/180/2);
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*(PI)/180/2)*cos(k*(PI)/180/2));
if (t < 0)
printf("Invalid input");
else
printf("%.4lf", S);
}
|
40
|
19714
|
main()
{
double mianji(double a,double b,double c,double d,double e);
double A,B,C,D,E,g,S,F,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=mianji(A,B,C,D,E);
printf("%.4lf",g);}
}
double mianji(double a,double b,double c,double d,double e)
{
double s,f,i,h;
s=0.5*(a+b+c+d);
h=e/360*3.1415926;
f=cos(h);
i=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f*f);
return (i);
}
|
40
|
19715
|
int main()
{
double a,b,c,d,e,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
e=3.1415926*e/360;
e=cos(e);
s=(a+b+c+d)/2;
s=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e*e;
if(s<0)
printf("Invalid input");
else{
s=sqrt(s);
printf("%.4lf",s);
}
return 0;
}
|
40
|
19716
|
int main()
{
double a,b,c,d,e,f,S,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*PI/360)*cos(e*PI/360);
if(f>=0)
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*PI/360)*cos(e*PI/360));
printf("%.4lf\n",S);
}
else
printf("Invalid input");
return 0;
}
|
40
|
19717
|
void main()
{
double a[5],o,s,S;
int i;
for (i=1;i<=4;i++) scanf("%lf",&a[i]);
scanf("%lf",&o);
o=o/2;
o=o/360*2*3.1415926;
s=(a[1]+a[2]+a[3]+a[4])/2;
S=(s-a[1])*(s-a[2])*(s-a[3])*(s-a[4])-a[1]*a[2]*a[3]*a[4]*cos(o)*cos(o);
if (S<0) printf("%s","Invalid input");
else
{
S=sqrt(S);
printf("%.4lf",S);
}
}
|
40
|
19718
|
int main ()
{
double a,b,c,d,m,S;
double s,n;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
s = (a+b+c+d)/2;
n=m*PI/360;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(n))*(cos(n)));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(n))*(cos(n))>=0){
printf("%.4f",S);
}
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(n))*(cos(n))<0){
printf("Invalid input");
}
return 0;
}
|
40
|
19719
|
int main(int argc, char* argv[])
{
double a,b,c,d,jiaodu,hudu,s,square,pingfang;
double zhuanhuan(double);
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&jiaodu);
s=(a+b+c+d)/2;
pingfang=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(zhuanhuan(jiaodu))*cos(zhuanhuan(jiaodu));
if(pingfang<0){
printf("Invalid input");
}else{
square=sqrt(pingfang);
printf("%.4lf",square);
}
return 0;
}
double zhuanhuan(double jiaodu)
{
double e;
e=PI*jiaodu/360;
return e;
}
|
40
|
19720
|
int main()
{
float a[4];
float s,S,angle,t;
int i;
for(i=0;i<4;i++)
scanf("%f\n",&a[i]);
scanf("%f",&angle);
s=(a[0]+a[1]+a[2]+a[3])/2;
t=cos(angle*pi/360);
S=sqrt((s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*t*t);
if((s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*t*t<0)printf("Invalid input");
else printf("%.4f",S);
}
|
40
|
19721
|
int main()
{
double a, b, c, d, s;
scanf("%lf%lf%lf%lf",&a, &b, &c, &d);
s = (a+b+c+d)/2;
double w, x, W, X;
scanf("%lf%lf", &w, &x);
W = w / 180 * PI;
X = x / 180 * PI;
double R, M;
M =(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(W/2+X/2)*cos(W/2+X/2);
if(M<0)
printf("Invalid input");
else
{
R = sqrt(M);
printf("%.4lf", R);
}
return 0;
}
|
40
|
19722
|
int main()
{
double a,b,c,d;
double al,af;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&al);
af = al / 180 * pai;
double s = 0.5*(a+b+c+d);
if( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(af/2)*cos(af/2) >= 0)
{
double S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(af*0.5)*cos(af*0.5));
printf("%.4lf\n",S);
}
else
{
printf("Invalid input");
}
return 0;
}
|
40
|
19723
|
int main(){
double a, b, c ,d , s ;
double S=0;
double f;
f>0&&f<360;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&f);
s = (a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f*PI/360)*cos(f*PI/360));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f*PI/180)*cos(f*PI/180))>0)
{printf("%.4lf\n",S) ;}
else{printf("Invalid input\n");}
return 0;
}
|
40
|
19724
|
double getArea(double);
double getcos(double);
int main()
{
double a,b,c,d,i,j;
double S,s;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&i);
s=(a+b+c+d)/2;
j=i*PI/360;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(i)*cos(j)>0)
{
printf("%.4lf\n",S);
}
else
{
printf("Invalid input");
}
return 0;
}
|
40
|
19725
|
void jisuan(double a,double b,double c,double d,double hudu)
{
double s,h,mianji;
s=(a+b+c+d)/2;
h=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(hudu)*cos(hudu);
if(h<0)
printf("Invalid input");
else
{mianji=sqrt(h);
printf("%.4lf",mianji);}}
void main()
{
double a,b,c,d,jiaodu,s,hudu;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&jiaodu);
hudu=jiaodu/2*3.1415926/180;
jisuan(a,b,c,d,hudu);
}
|
40
|
19726
|
double f(double,double,double,double,double);
void main()
{
double a,b,c,d,p,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&p);
p=p/360*3.1415926;
m=f(a,b,c,d,p);
if(m>0) printf("%.4lf",sqrt(m));
else printf("Invalid input");
}
double f(double a,double b,double c,double d,double p)
{
double s=(a+b+c+d)/2;
return((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p)*cos(p));
}
|
40
|
19727
|
int main()
{
double a,b,c,d,x;
double S(double a,double b,double c,double d,double x);
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
if(S(a,b,c,d,x)>=0)
printf("%5.4lf",S(a,b,c,d,x));
else
printf("Invalid input");
return 0;
}
double S(double A,double B,double C,double D,double X)
{
double s,y,z;
s=(A+B+C+D)/2;
y=X*P/360;
if((s-A)*(s-B)*(s-C)*(s-D)-A*B*C*D*cos(y)*cos(y)<0)
z=-1.0;
else
z=sqrt((s-A)*(s-B)*(s-C)*(s-D)-A*B*C*D*cos(y)*cos(y));
return z;
}
|
40
|
19728
|
int main()
{
double a,b,c,d;
scanf("%lf%lf%lf%lf", &a, &b, &c, &d);
double e;
scanf("%lf", &e);
double area;
double s;
s=(a+b+c+d)/2;
area=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*e/180/2)*cos(PI*e/180/2);
if(area<0)
printf("Invalid input");
else
printf("%.4lf", sqrt(area));
return 0;
}
|
40
|
19729
|
void main()
{
float a,b,c,d,D,S,s;
float sums(float a,float b,float c,float d,float D);
scanf("%f%f%f%f%f",&a,&b,&c,&d,&D);
s=sums(a,b,c,d,D);
if(s==0)printf("Invalid input");
else printf("%.4f",s);
}
float sums(float a,float b,float c,float d,float D)
{
double Pi=3.1415926;
float z,s,y;
z=D/360*Pi;
s=(a+b+c+d)/2;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(float)cos(z)*(float)cos(z);
if(y<0)return 0;
else return sqrt(y);
}
|
40
|
19730
|
int main()
{
float a,b,c,d,e,s;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
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*3.1415926/360)*cos(e*3.1415926/360));
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*3.1415926/360)*cos(e*3.1415926/360)>=0)
printf("%.4f",s);
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*3.1415926/360)*cos(e*3.1415926/360)<0)
printf("Invalid input");
return 0;
}
|
40
|
19731
|
int main()
{
double S(double a,double b,double c, double d,double e);
double a,b,c,d,e,t,g,s;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
t=S(a,b,c,d,e);
e=e/180*3.1415926;
s=(a+b+c+d)/2;
g=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(e/2)*cos(e/2));
if(g<0)
{
printf("Invalid input");
}else{
printf("%.4lf",t);
}
return 0;
}
double S(double a,double b,double c, double d,double e)
{
double s,g;
e=e/180*3.1415926;
s=(a+b+c+d)/2;
g=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(e/2)*cos(e/2)));
return(g);
}
|
40
|
19732
|
int main(int argc, char* argv[])
{
double a,b,c,d,s,S;
double x;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x*3.1415926/2/180)*cos(x*3.1415926/2/180);
if(S<0){
printf("Invalid input\n");
}
else{
printf("%.4lf\n",sqrt(S));
}
return 0;
}
|
40
|
19733
|
int main(){
double a,b,c,d,s,k,n;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&n);
n=n/360*2*PI;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(n/2)*cos(n/2)<0){
printf("Invalid input");
return 0;
}
k=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(n/2)*cos(n/2));
printf("%.4lf",k);
return 0;
}
|
40
|
19734
|
int main()
{
double S,s,a,b,c,d,e;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360)<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926)));
}
return 0;
}
|
40
|
19735
|
int main()
{
double a, b, c, d, p, q, s, x;
scanf("%lf", &a);
scanf("%lf", &b);
scanf("%lf", &c);
scanf("%lf", &d);
scanf("%lf", &p);
q=2*3.1415926*p/720;
x=(a+b+c-d)*(a+b-c+d)*(a-b+c+d)*(-a+b+c+d)/16-a*b*c*d*pow(cos(q),2);
if(x<0){
printf("Invalid input");
}
if(x>=0){
s=sqrt(x);
printf("%.4lf", s);
}
return 0;
}
|
40
|
19736
|
int main()
{
double PI=3.1415926;
double a, b, c, d, s, x, y, S;
scanf("%lf\n%lf\n%lf\n%lf\n", &a, &b, &c, &d);
s=(a+b+c+d)/2;
scanf("%lf", &x);
y=x*PI/360;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y)<0)
{
printf("Invalid input");
}
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y));
printf("%.4lf", S);
}
return 0;
}
|
40
|
19737
|
main()
{
double a[4],j,s,S;
int i=0;
for(i=0;i<4;i++)
{
scanf("%lf",&a[i]);
}
scanf("%lf",&j);
j=(j/180)*3.1415926/2;
s=(a[0]+a[1]+a[2]+a[3])/2;
if((s-a[0])*(s-a[1])*(s-a[2])*(s-a[3]) - a[0]*a[1]*a[2]*a[3]*cos(j)*cos(j)>=0)
{
S = sqrt((s-a[0])*(s-a[1])*(s-a[2])*(s-a[3]) - a[0]*a[1]*a[2]*a[3]*cos(j)*cos(j));
printf("%.4lf\n",S);
}
else printf("Invalid input");
}
|
40
|
19738
|
void main()
{
double a,b,c,d,s,t,r,o,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&t);
r=t/360*PI;
s=(a+b+c+d)/2;
o=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(r)*cos(r);
m=sqrt(o);
if(o<0)printf("Invalid input");
else printf("%.4lf",m);
}
|
40
|
19739
|
int main()
{
const double PI=3.1415926;
double a,b,c,d,alpha,s,sum,radalpha,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alpha);
a=(double)a;
b=(double)b;
c=(double)c;
d=(double)d;
alpha=(double)alpha;
s=(a+b+c+d)/2;
radalpha=alpha*PI/360.0;
sum=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(radalpha)*cos(radalpha);
if(sum<0)
printf("Invalid input");
else
{
S=sqrt(sum);
printf("%.4f",S);
}
return 0;
}
|
40
|
19740
|
int main()
{ double a,b,c,d,jiao;int fanhui;
double mianji(double aa,double bb,double cc,double dd,double jiaojiao);
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&jiao);
c=mianji(a,b,c,d,jiao);
if(c==0)printf("Invalid input");
else printf("%.4f",c);
getchar();
getchar();
}
double mianji(double aa,double bb,double cc,double dd,double jiaojiao)
{ double s,ban,panduan,fanhui;
ban=(jiaojiao*0.01745329)/2.0000;
s=(aa+bb+cc+dd)/2.0000;
panduan=(s-aa)*(s-bb)*(s-cc)*(s-dd)-aa*bb*cc*dd*cos(ban)*cos(ban);
if(panduan>0)fanhui=sqrt(panduan);
else fanhui=0;
return fanhui;}
|
40
|
19741
|
float f(float x1,float x2,float x3,float x4);
main()
{
double S,a,b,c,d,x,s;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
x=x/360*3.1415926;
s=f(a,b,c,d);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)<0)printf("Invalid input");
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x));
printf("%.4lf",S);
}
}
float f(float x1,float x2,float x3,float x4)
{
float u;
u=(x1+x2+x3+x4)/2;
return(u);
}
|
40
|
19742
|
double S (double a,double b,double c,double d,double rad,double s){
s = (a+b+c+d)/2;
return sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(rad)*cos(rad));
}
int main(){
double a,b,c,d,e,num,rad,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&num);
rad=num/360*3.1415926;
s = (a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(rad)*cos(rad)<0){
printf("Invalid input");
}
else
printf("%.4lf\n",S(a,b,c,d,rad,s));
return 0;
}
|
40
|
19743
|
double s(double a, double b, double c, double d)
{
double sf;
sf=(a+b+c+d)/2;
return sf;
}
double US(double a, double b, double c, double d, double alpha)
{
double SF;
SF=(s(a, b, c, d)-a)*(s(a, b, c, d)-b)*(s(a, b, c, d)-c)*(s(a, b, c, d)-d)-a*b*c*d*cos(alpha)*cos(alpha);
return SF;
}
int main()
{
double a, b, c, d;
double alpha, jiao;
scanf("%lf %lf %lf %lf %lf", &a, &b, &c, &d, &jiao);
alpha=(jiao/2)/180*PI;
double final;
if(alpha<0) printf("Invalid input");
if(US(a, b, c, d, alpha)<0) printf("Invalid input");
else
{
final=sqrt(US(a, b, c, d, alpha));
printf("%.4lf", final);
}
return 0;
}
|
40
|
19744
|
int main()
{
double a,b,c,d,e,s;
double S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s = 0.5*(a+b+c+d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((e/2)/180.00*3.1415926)*cos((e/2)/180.00*3.1415926));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((e/2)/180.00*3.1415926)*cos((e/2)/180.00*3.1415926)>0)
printf("%.4lf\n",S);
else if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((e/2)/180.00*3.1415926)*cos((e/2)/180.00*3.1415926)<=0)
printf("Invalid input\n");
return 0;
}
|
40
|
19745
|
int main()
{
double a,b,c,d,e,s,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
e=e*PI/360;
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e)*cos(e);
if(S<0)
printf("Invalid input\n");
else
{S=sqrt(S);
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
19746
|
int main()
{
double a,b,c,d,x,s,S,y,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
double f(double a,double b,double c,double d,double m);
y=(PI*x)/360;
m=cos(y);
if(m<0||(int)(10000*m)==0)
printf("Invalid input\n");
else
{
S=f(a,b,c,d,m);
printf("%.4lf\n",S);
}
return 0;
}
double f(double a,double b,double c,double d,double m)
{
double s,S;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*m*m);
return S;
}
|
40
|
19747
|
void main()
{
double a,b,c,d,j,J,S,s,m,pi=3.1415926;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&j);
s=(a+b+c+d)/2;
J=j/360*pi;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(J)*cos(J);
if(m>0)
printf("%.4lf",sqrt(m));
else
printf("Invalid input");
}
|
40
|
19748
|
int main(int argc, char* argv[])
{
double a,b,c,d,x,s,S;
scanf ("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)
-a*b*c*d*cos(x*3.1415926/360)*cos(x*3.1415926/360));
if((s-a)*(s-b)*(s-c)*(s-d)
-a*b*c*d*cos(x*3.1415926/360)*cos(x*3.1415926/360)<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
}
|
40
|
19749
|
const double pi=3.1415926;
double Area(double a,double b,double c,double d,double angle)
{
double s=(a+b+c+d)/2;
angle=(angle/2)/360*2*pi;
double square=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle);
if (square<0) return -1;
return sqrt(square);
}
int main()
{
double a,b,c,d,angle,ans;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
ans=Area(a,b,c,d,angle);
if (ans>=0) printf("%.4lf",ans);
else printf("Invalid input");
return 0;
}
|
40
|
19750
|
int main()
{
double a, b, c, d, q;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
if ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(q*3.1415926/360)*cos(q*3.1415926/360)<0)
printf("Invalid input");
else{
double ss = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(q*3.1415926/360)*cos(q*3.1415926/360));
printf("%.4lf", ss);
}
return 0;
}
|
40
|
19751
|
int main()
{
double a,b,c,d,x;
scanf("%lf",&a);
printf("\n");
scanf("%lf",&b);
printf("\n");
scanf("%lf",&c);
printf("\n");
scanf("%lf",&d);
printf("\n");
scanf("%lf",&x);
printf("\n");
x=x*PI/360;
float s;
double S;
s = (float)1/2*(a+b+c+d);
S=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(x),2);
if (S<=0)
{
printf("Invalid input");
}
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(x),2));
printf("%.4f",S);
}
return 0;
}
|
40
|
19752
|
int main(int argc, char *argv[])
{
float a,b,c,d,e,s,t=0,m;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos((e*3.1415926)/360),2);
if(m<0)
printf("Invalid input");
else {t=sqrt(m);
printf("%.4f",t);}
return 0;
}
|
40
|
19753
|
main (){
double a,b,c,d,A,B,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&A);
B=((A/2)/360)*2*pi;
s = (double)1/2*(a+b+c+d);
if ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(B)*cos(B)>=0)
{S = (double)sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(B)*cos(B));
printf("%.4f",S);}
else printf("Invalid input\n");
return 0;
}
|
40
|
19754
|
int main()
{
float a,b,c,d;
float r;
float s,S;
scanf("%f%f%f%f",&a,&b,&c,&d);
scanf("%f",&r);
if(r<0||r>360)
{
return 0;
}
else
{
s = (a+b+c+d)/2;
S =(float) sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(r*3.1415926/360)*cos(r*3.1415926/360));
}
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(r*3.1415926/360)*cos(r*3.1415926/360))<0)
{
printf("Invalid input\n");
}
else
{
printf("%.4f\n",S);
}
return 0;
}
|
40
|
19755
|
const double PI=3.1415926;
int main()
{
int i;
double a[6];
for(i=0;i<5;i++)
{
scanf("%lf",&a[i]);
}
double area;
double s;
double temp;
double angle=a[4]/180*PI;
s=(a[0]+a[1]+a[2]+a[3])/2;
temp=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*cos(angle/2)*cos(angle/2);
if(temp<0)printf("Invalid input");
else printf("%.4f",sqrt(temp));
return 0;
}
|
40
|
19756
|
int main()
{
double a,b,c,d,x,s,y,S;
scanf("%lf\n",&a);
scanf("%lf\n",&b);
scanf("%lf\n",&c);
scanf("%lf\n",&d);
scanf("%lf\n",&x);
s=(a+b+c+d)/2;
y=(x/360)*PI;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(y),2)>=0){
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(y),2));
printf("%.4lf",S);
}
else{
printf("Invalid input");
}
return 0;
}
|
40
|
19757
|
int main()
{
double a,b,c,d,apha,m=0,S=0,del=0;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&apha);
apha=apha*PI/360;m=(a+b+c+d)*0.5;
del=(m-a)*(m-b)*(m-c)*(m-d)-a*b*c*d*cos(apha);
if (del>=0)
{S=sqrt((m-a)*(m-b)*(m-c)*(m-d)-a*b*c*d*cos(apha)*cos(apha));printf("%.4lf",S);}
else printf("Invalid input");
return 0;
}
|
40
|
19758
|
int main(int argc, char* argv[])
{
double S,s,a,b,c,d,m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
s = (double)1/2*(a+b+c+d);
S = (double)sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((m/360)*3.1415926)*cos((m/360)*3.1415926));
if ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((m/360)*3.1415926)*cos((m/360)*3.1415926)<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
|
40
|
19759
|
int main()
{
double a,b,c,d,ag,s,sq;
scanf("%lf\n",&a);
scanf("%lf\n",&b);
scanf("%lf\n",&c);
scanf("%lf\n",&d);
scanf("%lf\n",&ag);
s=(a+b+c+d)/2;
ag=ag/360 * PI;
sq=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(ag),2);
if(sq<0)
{
printf("Invalid input");
return 0;
}
printf("%.4lf",sqrt(sq));
return 0;
}
|
40
|
19760
|
/*double q(double a,b,c,d,w)
{
w=3.1415926*w/180/2;
doubles=0.5*(a+b+c+d);
s=(s-a)* (s-b)* (s-c)* (s-d)-a*b*c*d*cos(w)*cos(w);
return s
}*/
int main()
{
double a,b,c,d,w,s;
//double q(double a,b,c,d,w,s);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&w);
w=3.1415926*w/180/2;
s=0.5*(a+b+c+d);
s=(s-a)* (s-b)* (s-c)* (s-d)-a*b*c*d*cos(w)*cos(w);
//s=q (a,b,c,d);
if(s<0)
{printf( "Invalid input");}
else
{printf( "%0.4lf",sqrt(s));}
return 0;
getchar();
getchar();
getchar();
}
|
40
|
19761
|
int main()
{
double a;
double b;
double c;
double d;
double e,f,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=((a+b+c+d)/2-a)*((a+b+c+d)/2-b)*((a+b+c+d)/2-c)*((a+b+c+d)/2-d) - a*b*c*d*pow(cos(e*3.1415926/360),2);
if(f>=0){
S=sqrt(((a+b+c+d)/2-a)*((a+b+c+d)/2-b)*((a+b+c+d)/2-c)*((a+b+c+d)/2-d) - a*b*c*d*pow(cos(e*3.1415926/360),2));
printf("%.4f\n",S);}
else
printf("Invalid input\n");
return 0;
}
|
40
|
19762
|
int main()
{
double a,b,c,d,i,S,A;
scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&i);
A = (1.0/2*(a+b+c+d)-a)*(1.0/2*(a+b+c+d)-b)*(1.0/2*(a+b+c+d)-c)*(1.0/2*(a+b+c+d)-d) - a*b*c*d*(cos(PI*i/360))*(cos(PI*i/360));
if(A>0)
{
S = sqrt((1.0/2*(a+b+c+d)-a)*(1.0/2*(a+b+c+d)-b)*(1.0/2*(a+b+c+d)-c)*(1.0/2*(a+b+c+d)-d) - a*b*c*d*(cos(PI*i/360))*(cos(PI*i/360)));
printf("%.4lf",S);
}
if(A<0)
{
printf("Invalid input");
}
return 0;
}
|
40
|
19763
|
double mianji(double x,double y,double z,double m,double n)
{
double pan,s;
s=(x+y+z+m)/2;
pan=sqrt((s-x)*(s-y)*(s-z)*(s-m)- x*y*z*m*cos(n*pai/180)*cos(n*pai/180));
if (pan>=0)
return pan;
else {
return -1;
}
}
int main()
{
double a,b,c,d,q,mian;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
mian=mianji(a,b,c,d,q/2);
if (mian==-1){
printf("Invalid input\n");
}
else {
printf("%.4lf\n",mian);}
return 0;
}
|
40
|
19764
|
void main()
{
double a,b,c,d,s,x,pi=3.1415926,t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
x=x/360*2*pi;
x=x/2;
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x);
if(t<0)
{
printf("Invalid input\n");
}
if(t>0)
{
t=sqrt(t);
printf("%.4lf\n",t);
}
}
|
40
|
19765
|
double f(double A);
void main()
{
double a,b,c,d,s,A,S;
scanf("%lf""%lf""%lf""%lf""%lf",&a,&b,&c,&d,&A);
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f(A/2)*f(A/2);
if(S<0)
printf("Invalid input");
else
printf("%.4lf",sqrt(S));
}
double f(double A)
{
double z,PI;
PI = 3.1415926;
z=(double)cos(A/180*PI);
return(z);
}
|
40
|
19766
|
int main()
{
double a,b,c,d,w;
double S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&w);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(w*PI/360)*cos(w*PI/360));
if (S>=0)
printf("%.4lf",S);
else
printf("Invalid input");
return 0;
}
|
40
|
19767
|
int main()
{
float a,b,c,d;
float angle,dangle;
float p,q,outcome;
float PI=3.1415926;
scanf("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&angle);
float s;
s=(a+b+c+d)/2;
p=(s-a)*(s-b)*(s-c)*(s-d);
dangle=(angle/360)*PI;
q=a*b*c*d*(cos(dangle)*cos(dangle));
if(p-q>0)
{outcome=sqrt(p-q);
printf("%.4f",outcome);}
else
printf("Invalid input");
return 0;
}
|
40
|
19768
|
int main()
{
double a,b,c,d,s;
double e;
scanf("%lf%lf%lf%lf", &a, &b, &c, &d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
double p=3.1415926;
double q;
if(s-a>0 && s-b>0 && s-c>0 && s-d>0)
{
q=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*p/360)*cos(e*p/360));
printf("%.4lf\n",q);
}
else printf("Invalid input\n");
return 0;
}
|
40
|
19769
|
double max(double a,double b,double c,double d,double f,double s)
{
double S;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f));
return(S);
}
void main()
{
double a,b,c,d,e,f,s,S,g;
double max(double a,double b,double c,double d,double f,double s);
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
f=e/360*3.1415926;
g=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f);
if(g>=0)
{
S=max(a,b,c,d,f,s);
printf("%.4lf",S);
}
else printf("Invalid input");
}
|
40
|
19770
|
double S(double a,double b,double c,double d,double degree){
double angle=degree/360*3.1415926;
double s=(a+b+c+d)/2;
double area=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(angle),2));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(angle),2)<0)
return -1;
else return area;
}
int main(){
double a,b,c,d,degree,area;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,°ree);
area=S(a,b,c,d,degree);
if(area==-1)
printf("Invalid input");
else
printf("%.4lf",area);
return 0;
}
|
40
|
19771
|
double s(double a,double b,double c,double d)
{
double s;
s=(a+b+c+d)/2;
return (s);
}
double cos2(double r)
{
double k,i;
k=cos(r/2*3.1415926/180);
i=k*k;
return (i);
}
void main()
{
double S,temp;
double a, b, c, d, r;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&r);
temp=(s(a,b,c,d)-a)*(s(a,b,c,d)-b)*(s(a,b,c,d)-c)*(s(a,b,c,d)-d) - a*b*c*d*cos2(r);
if (temp<0)
printf("Invalid input\n");
else
{
S=sqrt(temp);
printf("%.4lf",S);
}
}
|
40
|
19772
|
int main()
{
double a,b,c,d,h,S,s,sum;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&h);
s=(a+b+c+d)/2;
sum=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(h*PI/360),2);
S=sqrt(sum);
if (h>360||h<=0)
{
printf("Error!");
}
else
{
if (sum<0)
{
printf("%s\n","Invalid input");
}
else
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
19773
|
int main()
{
double a,b,c,d;
double s,q,A,B,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
A=(double)q/2;
B=(double)A/180*PI;
s=(double)(a+b+c+d)/2;
S=(double)sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(B)*cos(B));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(B)*cos(B)<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
}
|
40
|
19774
|
int main()
{
double a,b,c,d,e,f,m,s,n;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=e*PI/360;
m=sqrt(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f)));
n=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if(n>=0)
printf("%.4lf\n",m);
else
printf("Invalid input\n");
return 0;
}
|
40
|
19775
|
int main(int argc, char* argv[])
{
double pai=3.1415926;
double a,b,c,d,A,s=0,h;
double S;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
scanf("%lf",&A);
h=A/180*pai;
s =(a+b+c+d)*0.5;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(h/2)*cos(h/2)>=0)
{
S= sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(h/2)*cos(h/2));
printf("%.4lf",S);
}
else
printf("Invalid input");
return 0;
}
|
40
|
19776
|
int main()
{
double s,a,b,c,d,angle,S,x;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
s = (a+b+c+d)/2;
x=pow(cos(angle*3.1415926/360),2);
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*x);
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*x<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
|
40
|
19777
|
double mianji(double a,double b,double c,double d,double jiaohe);
int main()
{
double a1,b1,c1,d1,s1,jiaohe1,jiao1,S;
scanf("%lf",&a1);
scanf("%lf",&b1);
scanf("%lf",&c1);
scanf("%lf",&d1);
scanf("%lf",&jiaohe1);
s1=(a1+b1+c1+d1)/2;
jiao1=jiaohe1/360*PI;
if((s1-a1)*(s1-b1)*(s1-c1)*(s1-d1)-a1*b1*c1*d1*cos(jiao1)*cos(jiao1)>=0){
S=mianji(a1,b1,c1,d1,jiaohe1);
printf("%.4lf",S);
}else{
printf("Invalid input");
}
return 0;
}
double mianji(double a,double b,double c,double d,double jiaohe)
{
double s,jiao,y;
s=(a+b+c+d)/2;
jiao=jiaohe/360*PI;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jiao)*cos(jiao);
if(y>=0) return sqrt(y);
}
|
40
|
19778
|
int main()
{
float a,b,c,d,angle,fanhuizhi;
float function(float a,float b,float c, float d, float angle);
scanf("%f%f%f%f%f",&a,&b,&c,&d,&angle);
fanhuizhi=function(a,b,c,d,angle);
if(fanhuizhi==-1){printf("Invalid input");}
else{
printf("%.4f",fanhuizhi);
}
return 0;
}
float function(float a,float b,float c, float d, float angle)
{
float s,genhao;
double fanhuizhi,ANGLE;
ANGLE=angle/360*3.1415926;
s=(a+b+c+d)/2;
genhao=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ANGLE)*cos(ANGLE);
if(genhao<0){fanhuizhi=-1;}
else{
fanhuizhi=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ANGLE)*cos(ANGLE));
}
return fanhuizhi;
}
|
40
|
19779
|
int main()
{
double a,b,c,d,e,f,S,s;
scanf("%lf\n",&a);
scanf("%lf\n",&b);
scanf("%lf\n",&c);
scanf("%lf\n",&d);
scanf("%lf\n",&e);
s = (a+b+c+d)*0.5;
f= (e/360)*3.1415926;
S = ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(f))*(cos(f)));
if(S<0){
printf("Invalid input");
}
else{
printf("%.4lf",sqrt(S));
}
return 0;
}
|
40
|
19780
|
int main(int argc, char *argv[])
{ double mianji(double a,double b,double c,double d,double j);
double x,y,z,t,w,s;
scanf("%lf%lf%lf%lf%lf",&x,&y,&z,&t,&w);
s=mianji(x,y,z,t,w);
if(s!=-1)
printf("%.4lf\n",s);
else
printf("Invalid input\n") ;
return 0;
}
double mianji(double a,double b,double c,double d,double j)
{double S,s,s2;
double hudu;
hudu=j/360*3.1415926;
S=(a+b+c+d)/2;
s2=(S-a)*(S-b)*(S-c)*(S-d)-a*b*c*d*cos(hudu)*cos(hudu);
if(s2<0)
s=-1;
else
s=sqrt(s2);
return (s);
}
|
40
|
19781
|
int main()
{
double a,b,c,d;
double angle;
cin>>a>>b>>c>>d;
cin>>angle;
double s;
double temp1,temp2;
double pi=3.1415926;
s=(a+b+c+d)/2;
temp1=(s-a)*(s-b)*(s-c)*(s-d);
temp2=angle/360*pi;
temp2=cos(temp2);
temp2=temp2*temp2;
temp2=a*b*c*d*temp2;
temp1=temp1-temp2;
if(temp1<0)
cout<<"Invalid input"<<endl;
else
{
temp1=sqrt(temp1);
printf("%.4f\n",temp1);
}
return 0;
}
|
40
|
19782
|
main()
{
double a,b,c,d,m,n,s;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&m);
s=(a+b+c+d)/2;
n=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((PI*m)/180/2)*cos((PI*m)/180/2);
if (n<0)
printf ("Invalid input");
else
printf("%.4lf",sqrt(n));
}
|
40
|
19783
|
int main()
{
double y=0,a,b,c,d,s=0,x=0,e,v=0;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s = (a+b+c+d)/2;
v=e/360*3.1415926;
x = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(v)*cos(v);
if(x<0)
{
printf("Invalid input");
}
else{
printf("%.4lf",sqrt(x));
}
return 0;
}
|
40
|
19784
|
double main()
{
double yuxian, s, area,x;
double a, b, c, d, angle;
scanf("%lf%lf%lf%lf%lf", &a, &b, &c, &d, &angle);
x = angle*0.5;
yuxian = cos(x*2*3.1415926/360);
s = 0.5*(a+b+c+d);//???1/2???0.5
if( ( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*yuxian*yuxian ) < 0)
printf("Invalid input");
else
{
area = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*yuxian*yuxian);
printf("%.4lf", area);
}
return 0;
}
|
40
|
19785
|
int main(){
double a,b,c,d,s,S,x,p;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
s=(a+b+c+d)/2;
scanf("%lf",&x);
x=x/360*3.1415926;
p=(s-a)*(s-b)*(s-c)*(s-d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x)*cos(x));
if(p<0)
printf("Invalid input");
else
printf("%.4lf",S);
return 0;
}
|
40
|
19786
|
int main()
{
float a,b,c,d,aef,bt;
float S,s,m,x;
scanf("%f\n",&a);
scanf("%f\n",&b);
scanf("%f\n",&c);
scanf("%f\n",&d);
scanf("%f\n",&aef);
s=(a+b+c+d)/2;
bt=aef/180*3.1415926/2;
m= (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(bt)*cos(bt);
if(m>0)
{
S=sqrt(m);
printf("%.4f",S);
}
else printf("Invalid input");
scanf("%f",&x);
return 0;
}
|
40
|
19787
|
int main()
{
float a,b,c,d,e;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
float s=(a+b+c+d)/2;
float jiao=e*PI/180;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jiao/2)*cos(jiao/2)<0)
{
printf("Invalid input");
}
else
{
printf("%.4f",sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(jiao/2)*cos(jiao/2)));
}
return 0;
}
|
40
|
19788
|
void main()
{
float a,b,c,d,e,ans;
float sum,multi,anmul;
float sq(float p,float q);
float angle,angle2;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&angle2);
sum=(a+b+c+d)/2;
angle=angle2/2;
multi=(sum-a)*(sum-b)*(sum-c)*(sum-d);
e=cos(angle*3.1415926/180)*cos(angle*3.1415926/180);
anmul=a*b*c*d*e;
ans=sq(multi,anmul);
if((multi-anmul)<0) printf("Invalid input");
else printf("%.4f",ans);
}
float sq(float p,float q)
{
float z;
z=sqrt((p-q));
return z;
}
|
40
|
19789
|
int main(){
double a,b,c,d,x,y,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
if(x>0){
if(x<360){
s=(a+b+c+d)/2;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x/360*3.1415926)*cos(x/360*3.1415926);
if(y<0){
printf("Invalid input");
}else{
S=sqrt(y);
printf("%.4lf",S);
}
}
}
return 0;
}
|
40
|
19790
|
void main()
{
double a,b,c,d,m;
double s,S,n,res;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
s=(a+b+c+d)/2;
n=m/2;
res=cos(n/180*PI);//
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*res*res)<0)//
printf("Invalid input");
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*res*res);
printf("%.4lf",S);
}
}
|
40
|
19791
|
main()
{
double a,b,c,d,s,x,y;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&x);
x=x/2/180*pi;
s=(a+b+c+d)/2;
y=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x)*cos(x);
if(y<0)
printf("Invalid input") ;
else
printf("%.4lf",sqrt(y));
getchar();
getchar();
getchar();
}
|
40
|
19792
|
int main()
{
float a,b,c,d,f,s;
double e,S;
scanf("%f",&a);printf("\n");
scanf("%f",&b);printf("\n");
scanf("%f",&c);printf("\n");
scanf("%f",&d);printf("\n");
scanf("%f",&f);printf("\n");
e=f*PI/180;
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("Invalid input\n");
else
printf("%.4lf\n",S);
return 0;
}
|
40
|
19793
|
int main()
{
double area(double w,double x,double y,double z,double v);
double a,b,c,d,t,s,p,r;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&t);
s=0.5*(a+b+c+d);
r=PI*t/360;
if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(r)*cos(r))<0)
printf("Invalid input");
else
{
p=area(a,b,c,d,t);
printf("%.4lf",p);
}
}
double area(double w,double x,double y,double z,double v)
{
double s1,S;
s1=0.5*(w+x+y+z);
v=PI*v/360;
S = sqrt((s1-w)*(s1-x)*(s1-y)*(s1-z) - w*x*y*z*cos(v)*cos(v));
return(S);
}
|
40
|
19794
|
main()
{
int i,j,k;
double a,b,c,d;
double xs;
double ds;
double t;
double p;
double PI = 3.1415926;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&t);
xs=(a+b+c+d)/2;
p=((t/2)/180)*PI;
if((xs-a)*(xs-b)*(xs-c)*(xs-d) - a*b*c*d*cos(p)*cos(p)>=0)
{
ds= sqrt((xs-a)*(xs-b)*(xs-c)*(xs-d) - a*b*c*d*cos(p)*cos(p));
printf("%.4lf\n",ds);
}
else
printf("Invalid input\n");
}
|
40
|
19795
|
int main()
{
double a,b,c,d,k,area,n,s,y;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&k);
n=(k*PI)/360;
s=(double)((a+b+c+d)/2);
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(n),2);
if(y<0) printf("Invalid input");
else
{
area=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(n),2));
printf("%.4lf\n",area);
}
return 0;
}
|
40
|
19796
|
main()
{
double a,b,c,d,e;
cin>>a;
cin>>b;
cin>>c;
cin>>d;
cin>>e;
e=(e/180*3.1415926)/2;
double s,r;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e)<0)
cout<<"Invalid input";
else{
r=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e));
printf("%.4lf", r);
}
return(0);
}
|
40
|
19797
|
double f(double a,double b,double c,double d,double angle){
double s,S;
s = 0.5*(a+b+c+d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle/360*P)*cos(angle/360*P));
return S;}
int main()
{
double a,b,c,d,angle,s,m;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&angle);
s = 0.5*(a+b+c+d);
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle/360*P)*cos(angle/360*P);
if(m<0)
printf("Invalid input");
else
printf("%.4lf",f(a,b,c,d,angle));
return 0;
}
|
40
|
19798
|
int main()
{
float a,b,c,d;
float e;
double f,s,S;
scanf("%f%f%f%f",&a,&b,&c,&d);
s=(double)1/2*(a+b+c+d);
scanf("%f",&e);
f=(double)e/360*pi;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f)<0)
{
printf("Invalid input\n");
}
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f));
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
19799
|
int main()
{
double a,b,c,d,angle,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
s=(a+b+c+d)/2;
angle=2*PI*angle/360/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*d*c*(double)pow(cos(angle),2);
if(S<0)
printf("Invalid input");
else
{
S=sqrt(S);
printf("%.4lf",S);
}
return 0;
}
|
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