label
stringlengths 1
2
| index
stringlengths 1
5
| code
stringlengths 87
8.24k
|
|---|---|---|
40
|
19900
|
int main(int argc, char* argv[])
{ double a,b,c,d,e,s,S;
double pl = 3.1415926;
double x;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
x=e/360*pl;
s = (a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x)*cos(x));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x)*cos(x))>0)printf("%.4f",S);
else if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x)*cos(x))<0)printf("Invalid input");
return 0;
}
|
40
|
19901
|
int main()
{
double a,b,c,d,x,s,m,y;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(x*3.1415926/360),2);
if(m>=0){
y=pow(m,0.5);
printf("%.4lf",y);
}else{
printf("Invalid input");
}
return 0;
}
|
40
|
19902
|
main()
{
double s,a,b,c,d,alpha;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&alpha);
s=(a+b+c+d)/2;
alpha=alpha*3.1415926/180;
alpha=alpha/2;
if((s-a)*(s-b)*(s-c)*(s-d)<a*b*c*d*cos(alpha)*cos(alpha)){printf("Invalid input\n");}
else printf("%.4lf\n",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(alpha)*cos(alpha)));
}
|
40
|
19903
|
float surface(float a,float b,float c,float d,float o);
void main()
{
float a,b,c,d;
float o;
scanf("%f%f%f%f",&a,&b,&c,&d);
scanf("%f",&o);
if(surface(a,b,c,d,o)==-1)
printf("Invalid input");
else
printf("%.4f",surface(a,b,c,d,o));
}
float surface(float a,float b,float c,float d,float o){
float face,s;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(PI*o/360))*(cos(PI*o/360))<0)
{
return (-1);
}
else
face=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(PI*o/360))*(cos(PI*o/360))) ;
return face;
}
|
40
|
19904
|
void main()
{
double a,b,c,d,t,z;
double area(double a,double b,double c,double d,double t);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&t);
z=area(a,b,c,d,t);
if(z<0)
printf("Invalid input");
else printf("%.4lf",sqrt(z));
}
double area(double a,double b,double c,double d,double t)
{ double y,s,PI = 3.1415926;
s=(a+b+c+d)/2;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(t/360*PI)*cos(t/360*PI);
return(y);
}
|
40
|
19905
|
int main()
{
double a,b,c,d,s,l,S,x,PI = 3.1415926;
cin>>a;
cin>>b;
cin>>c;
cin>>d;
cin>>l;
s=(a+b+c+d)*1.0/2;
x=(s-a)*(s-b)*(s-c)*(s-d);
if(x>=0)
{
l=l*PI/360;
S=sqrt(x-a*b*c*d*cos(l)*cos(l));
printf("%.4f",S);
}
else
cout<<"Invalid input";
return 0;
}
|
40
|
19906
|
int main()
{
double arrey[5] ;
double m;
int i ;
for(i=0 ; i<5 ; i++ )
{
scanf("%lf" , &m );
arrey[i]=m ;
}
double s , f , k ;
k=(arrey[4]*PI)/360 ;
s = (double)1/2*(arrey[0]+arrey[1]+arrey[2]+arrey[3]);
if ( ((s-arrey[0])*(s-arrey[1])*(s-arrey[2])*(s-arrey[3]) - arrey[0]*arrey[1]*arrey[2]*arrey[3]*cos(k)*cos(k))>=0 )
{
f = sqrt((s-arrey[0])*(s-arrey[1])*(s-arrey[2])*(s-arrey[3]) - arrey[0]*arrey[1]*arrey[2]*arrey[3]*cos(k)*cos(k));
printf ("%.4f" , f );
}
else
printf ("Invalid input");
return 0;
}
|
40
|
19907
|
int main () {
double a, b, c, d, jiaodu, hudu, PI=3.1415926, mianji, s;
scanf( "%lf %lf %lf %lf %lf", &a, &b, &c, &d, &jiaodu);
hudu = jiaodu/180*PI;
s =(a+b+c+d)/2;
mianji= sqrt( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(hudu/2)*cos(hudu/2) );
if ( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(hudu) < 0 ) {
printf("Invalid input");}
else {printf("%.4lf", mianji);}
return 0 ;
}
|
40
|
19908
|
int main()
{
double a[4],corner,s=0,S,PI=3.1415926;
int i;
for(i=0;i<4;i++)
{
scanf("%lf",&a[i]);
s+=a[i];
}
s/=2;
scanf("%lf",&corner);
corner=corner*PI/180;
S=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3]);
S-=a[0]*a[1]*a[2]*a[3]*cos(corner/2)*cos(corner/2);
if(S<0)
{
printf("Invalid input");
}
else
{
printf("%.4f",sqrt(S));
}
}
|
40
|
19909
|
int main()
{
double a,b,c,d,e;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
double s,f,S;
s=(a+b+c+d)/2.0;
f=cos(e/2/180.0*3.1415926)*cos(e/2/180.0*3.1415926);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f>0)
printf("%.4lf",S);
else printf("Invalid input");
return 0;
}
|
40
|
19910
|
int main()
{
float a,b,c,d,e,f,s,k,h;
scanf ("%f%f%f%f%f",&a,&b,&c,&d,&e);
f=(3.1415926*e)/360;
s=(a+b+c+d)/2;
k=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f));
if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f))<0)
printf ("Invalid input");
else
printf("%.4f",k);
}
|
40
|
19911
|
int main(int argc, char* argv[])
{
double a,b,c,d,w,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&w);
w=3.1415926*w/180/2;
s = 1.0/2*(a+b+c+d);
s = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(w)*cos(w);
if (s<0)
printf("Invalid input");
else
printf("%.4f\n",sqrt(s));
return 0;
}
|
40
|
19912
|
int main ()
{
double pi=3.1415926,f,s=0,a[4];
int i;
for(i=0;i<4;i++)
scanf("%lf",&a[i]);
scanf("%lf",&f);
f=pi/360*f;
void he(double,double,double,double,double);
he(a[0],a[1],a[2],a[3],f);
}
void he(double a,double b,double c,double d,double f1)
{ int i;
double sum,s;
s=a/2+b/2+c/2+d/2;
sum=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f1)*cos(f1);
if(sum<0) printf("Invalid input");
else
{
sum=sqrt(sum);
printf("%.4f",sum);
}
}
|
40
|
19913
|
int main(){
double a,b,c,d,x,S,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
if((s-a)<0||(s-b)<0||(s-c)<0||(s-d)<0)
printf("Invalid input");
else{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x*PI/360)*cos(x*PI/360));
printf("%.4lf",S);
}
return 0;
}
|
40
|
19914
|
int main()
{
double a,b,c,d;
double sum,hudu;
double s;
double pi=3.1415926;
double m;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&sum);
m=1.0/2*(a+b+c+d);
hudu=sum*pi/180;
if ((m-a)*(m-b)*(m-c)*(m-d) - a*b*c*d*cos(hudu/2)*cos(hudu/2)<0)
{
printf("Invalid input");
return 0;
}
else
{
s = sqrt((m-a)*(m-b)*(m-c)*(m-d) - a*b*c*d*cos(hudu/2)*cos(hudu/2));
}
printf("%.4lf\n",s);
return 0;
}
|
40
|
19915
|
double mianji(double a,double b,double c,double d,double n)
{
double w,m,s;
m=n*3.1415926/360.0;
s=(a+b+c+d)/2;
w=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(m)*cos(m);
return(w);
}
void main()
{
double a,b,c,d,n,e,q;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&n);
e=mianji(a,b,c,d,n);
if (e>0)
{
q=sqrt(e);
printf("%.4lf\n",q);
}
else
{
printf("Invalid input\n");
}
}
|
40
|
19916
|
double cal(double a,double b,double c,double d,double ang);
int main()
{
double a,b,c,d,ang;
double x,area;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&ang);
ang/=2 ;
ang = ang * PI /180;
x=cal(a,b,c,d,ang);
if(x<=0){
printf("Invalid input");
}else{
area=sqrt(x);
printf("%.4lf",area);
}
return 0;
}
double cal(double a,double b,double c,double d,double ang)
{
double ans,s;
s=(a+b+c+d)/2;
ans=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ang)*cos(ang);
return ans;
}
|
40
|
19917
|
int main(void){
double a,b,c,d;
double n;
double S,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&n);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(1.0000*n*PI/360)*cos(1.0000*n*PI/360)>0) {
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(1.0000*n*PI/360)*cos(1.0000*n*PI/360));
printf("%.4lf",S);}
else
{printf("Invalid input");}
return 0;
}
|
40
|
19918
|
int main()
{
double s[5],p,di=1;
int i,k;
for(i=0;i<5;i++){
scanf("%lf",&s[i]);}
p=(s[1]+s[2]+s[3]+s[0])/2;
for(k=0;k<4;k++){
di*=(p-s[k]);}
if(di<0){
printf("Invalid input");}
else
{
double ss,hudu;
hudu=((s[4]/2)/180)*PI;
ss=pow((di-s[1]*s[2]*s[3]*s[0]*pow(cos(hudu),2)),0.5);
printf("%.4lf\n",ss);
}
return 0;
}
|
40
|
19919
|
double S(double a,double b,double c,double d,double jd)
{
double s,t;
s=(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jd*PI/360)*cos(jd*PI/360);
if(t<0) return 0;
else return sqrt(t);
}
int main()
{
double a,b,c,d,jd;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jd);
if(S(a,b,c,d,jd)==0) printf("Invalid input");
else printf("%.4lf",S(a,b,c,d,jd));
return 0;
}
|
40
|
19920
|
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;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/360)*cos(e*PI/360));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/180))<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
|
40
|
19921
|
int main()
{
double a,b,c,d,s,e,f,S,PI=3.1415926;
scanf("%lf\n",&a);
scanf("%lf\n",&b);
scanf("%lf\n",&c);
scanf("%lf\n",&d);
scanf("%lf",&e);
e=e/360*2*PI;
s=(a+b+c+d)/2;
f=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2)*cos(e/2);
if(f<0)
printf("Invalid input");
if(f>=0)
{
S=sqrt(f);
printf("%.4lf",S);
}
return 0;
}
|
40
|
19922
|
int main()
{
double a,b,c,d,e,s,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s = (a+b+c+d)/2;
if ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/360)*cos(e*PI/360)<0)
{printf("Invalid input");return 0;}
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/360)*cos(e*PI/360));
printf("%.4f\n",S);
return 0;
}
|
40
|
19923
|
int main(int argc, char* argv[])
{
double S,s,a,b,c,d,e;
double f;
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/2*(3.1415926/180))*cos(e/2*(3.1415926/180));
S = sqrt(f);
if (f<0){
printf("Invalid input");
}
else {
printf("%.4lf",S);
}
return 0;
}
|
40
|
19924
|
int main()
{
float a,b,c,d,k,s;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&k);
s=1.000/2.000*(a+b+c+d);
if ((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k/360.0*3.1415926)*cos(k/360.0*3.1415926)<0)
{
printf("Invalid input");
}
else
{
printf("%.4f",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k/360.0*3.1415926)*cos(k/360.0*3.1415926)));
}
return 0;
}
|
40
|
19925
|
int main(int argc, char* argv[])
{
float a,b,c,d,e,f,S,s;
scanf("%f %f %f %f %f",&a,&b,&c,&d,&e);
if(e>=180)
{
printf("Invalid input");
}
else{
s=(a+b+c+d)/2;
f=e/360*3.14159265358979f;
S=(float)sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(f),2));
printf("%.4f",S);
}
return 0;
}
|
40
|
19926
|
int main()
{
float a,b,c,d,e,f,g,s,S;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=(float)(e*(PI/180));
g=(float)(cos(f/2));
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*g*g);
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*g*g)>=0)
printf("%.4f",S);
else
printf("Invalid input");
return 0;
}
|
40
|
19927
|
int main()
{
void area(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);
area(a, b, c, d, e);
return 0;
}
void area(double a, double b, double c, double d, double e)
{
double temp;
double s;
s = (a + b + c + d) / 2;
temp = (s - a) * (s - b) * (s - c) * (s - d) - a * b * c * d * pow(cos(e / 360 * 3.1415926), 2);
if(temp < 0)
printf("Invalid input");
else
printf("%.4lf", sqrt(temp));
}
|
40
|
19928
|
int main(int argc, char* argv[])
{
float a,b,c,d;
double S,s,o,m;
#define PI 3.1415927
scanf("%f%f%f%f%lf",&a,&b,&c,&d,&o);
s = (a+b+c+d)/2;
m=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o/2*PI/180)*cos(o/2*PI/180);
if(m<0)
{
printf("Invalid input\n");
}
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o/2*PI/180)*cos(o/2*PI/180));
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
19929
|
double mianji(double a,double b,double c,double d,double alpha){
double jiao,s,S,S2;
jiao=alpha/180*PI/2;
s=(a+b+c+d)/2;
S2=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jiao)*cos(jiao);
if(S2<0){
return 0;
}else{
S=sqrt(S2);
return S;
}
}
int main(int argc, char* argv[])
{
double a,b,c,d,alpha;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&alpha);
if(mianji(a,b,c,d,alpha)==0){
printf("Invalid input\n");
}else{
printf("%.4lf\n",mianji(a,b,c,d,alpha));
}
return 0;
}
|
40
|
19930
|
int main()
{
double a,b,c,d,e,f,s,t,S;
double area(double);
scanf("%lf%lf%lf%lf%lf", &a,&b,&c,&d,&e);
f=e*PI/360;
s=(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f);
if(t<0)
printf("Invalid input");
else{
S=area(t);
printf("%.4lf", S);}
return 0;
}
double area(double t)
{
double S;
S = sqrt(t);
return S;
}
|
40
|
19931
|
int main()
{
float a,b,c,d,e,s,S,t;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&e);
s=(a+b+c+d)/2.0;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2/180*PI)*cos(e/2/180*PI));
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2/180*PI)*cos(e/2/180*PI);
if (t>0)
printf("%.4f\n",S);
else
printf("Invalid input");
return 0;
}
|
40
|
19932
|
int main()
{
double a;
double b;
double c;
double d;
double e;
double S;
double s;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
e=e/180*3.1415926;
s = (a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(pow(cos(e/2),2)));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(pow(cos(e/2),2)))<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
|
40
|
19933
|
int main(int argc, char* argv[])
{
double a,b,c,d,t,s,p;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&t);
p=(0.5*(a+b+c+d)-a)*(0.5*(a+b+c+d)-b)*(0.5*(a+b+c+d)-c)*(0.5*(a+b+c+d)-d) - a*b*c*d*cos(t/360*3.1415926)*cos(t/360*3.1415926);
if(p>=0)
{
s=sqrt(p);
printf("%.4lf\n",s);
}
else
printf("Invalid input\n");
return 0;
}
|
40
|
19934
|
int main(){
double a,b,c,d,e,s,m,t;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
m=(a+b+c+d)/2;
t=(m-a)*(m-b)*(m-c)*(m-d)-a*b*c*d*cos(e/2*(3.1415926/180))*cos(e/2*(3.1415926/180));
if(t>0){
s=sqrt(t);
printf("%.4lf",s);
}else if(t<0){
printf("Invalid input");
}
return 0;
}
|
40
|
19935
|
int main()
{
double a,b,c,d,e,f,s;
double squar;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(double)(a+b+c+d)/2;
f=(double)e/360*PI;
squar=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(f),2));
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e),2))>=0)
{
printf("%.4lf\n",squar);
}
else
{
printf("Invalid input");
}
return 0;
}
|
40
|
19936
|
int main()
{
double a[5],S,s,q,w;
scanf("%lf%lf%lf%lf%lf",&(a[1]),&(a[2]),&(a[3]),&(a[4]),&(a[5]));
s=(a[1]+a[2]+a[3]+a[4])/2;
w=(a[5]*PI)/360;
q=(s-a[1])*(s-a[2])*(s-a[3])*(s-a[4])-a[1]*a[2]*a[3]*a[4]*cos(w)*cos(w);
if(q>=0)
{
S=sqrt(q);
printf("%.4lf",S);
}
else
{
printf("Invalid input");
}
return 0;
}
|
40
|
19937
|
main()
{float a,b,c,d,s,p,k,i,j,m,n,g;
float pi=3.1415926;i=180;
scanf("%f",&a);scanf("%f",&b); scanf("%f",&c); scanf("%f",&d); scanf("%f",&k);
s=(a+b+c+d)/2;
j=(k/i)*pi;m=j/2;
p=(cos(m))*(cos(m));
n=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*p;
if(n<0) printf("Invalid input");
else {g=sqrt(n);
printf("%.4f",g);
}
}
|
40
|
19938
|
float s2(float a,float b,float c,float d,float anglesum);
int main(int argc, char* argv[])
{
float a,b,c,d,anglesum,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&anglesum);
s=s2(a,b,c,d,anglesum);
if(s<0){
printf("Invalid input\n");
}else{
S=sqrt(s);
printf("%.4lf",S);
}
return 0;
}
float s2(float a,float b,float c,float d,float anglesum)
{
float s2,s;
s=(a+b+c+d)/2;
s2=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(anglesum*PI/360)*cos(anglesum*PI/360);
return s2;
}
|
40
|
19939
|
void main()
{
void mianji(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);
mianji(a,b,c,d,e);
}
void mianji(double a,double b,double c,double d,double e)
{
double s,genghaonei;
s=(a+b+c+d)/2;
genghaonei=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926);
if(genghaonei<0)
printf("Invalid input");
else
{
double jieguo;
jieguo=sqrt(genghaonei);
printf("%.4lf",jieguo);
}
}
|
40
|
19940
|
double f(double a, double b, double c, double d, double e)
{
double s, S;
s=(a+b+c+d)/2;
e=e/180*3.1415926;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/2)*cos(e/2);
return S;
}
void main()
{
double nun;
double a,b,c,d,e;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
if(f(a,b,c,d,e)<0)
{
printf("Invalid input");
}
else
{
nun=sqrt(f(a,b,c,d,e));
printf("%.4lf",nun);
}
}
|
40
|
19941
|
float m(float,float,float,float,float);
void main()
{
float a,b,c,d,an,s;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&an);
if(m(a,b,c,d,an)<0)
printf("Invalid input\n");
else
{s=sqrt(m(a,b,c,d,an));
printf("%.4f\n",s);
}
}
float m(float a,float b,float c,float d,float an)
{float s,e;
e=(a+b+c+d)/2;
s=(e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*pow(cos(an*3.1415926/360),2);
return s;
}
|
40
|
19942
|
double pi=3.1415926;
int main()
{
double sq(double a,double b,double c,double d,double o);
double a,b,c,d,j,o;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&j);
double q,p,s;
o=j*pi/180;
o=o/2;
s=(a+b+c+d)/2;
p=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o)*cos(o);
if(p<0){
printf("Invalid input");
}
else {
q=sq(a,b,c,d,o);
printf("%.4f",q);
}
return 0;
}
double sq(double a,double b,double c,double d,double o)
{
double s=0,g=0;
s=(a+b+c+d)/2;
g=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o)*cos(o));
return g;
}
|
40
|
19943
|
int main()
{
double a,b,c,d,i;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&i);
double s,m;
s=(a+b+c+d)/2;
double h = a*b*c*d*cos(i*PI/360)*cos(i*PI/360);
m=(s-a)*(s-b)*(s-c)*(s-d)-h;
if(m<0)
{
printf("Invalid input");
}
double S;
if(m>=0){
S = sqrt(m);
printf("%.4lf",S);
}
return 0;
}
|
40
|
19944
|
void main()
{
double a,b,c,d,q;
double area(double a,double b,double c,double d,double q);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
area(a,b,c,d,q);
}
double area(double a,double b,double c,double d,double q)
{ double s,panduan,are,t;
t=q/(2*180)*PI;
s=(a+b+d+c)/2;
panduan=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t)*cos(t);
if (panduan<0)
printf("Invalid input");
else { are=sqrt(panduan);
printf("%.4lf",are);
}
return(0);
}
|
40
|
19945
|
int main()
{
float a,b,c,d,e;
double s,S,Q;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s = (double)(a+b+c+d)/2;
Q = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(pow(cos(e*3.1415926/360),2));
if (Q>=0){
S = sqrt(Q);
printf("%.4lf",S);
}
else
printf("Invalid input");
return 0;
}
|
40
|
19946
|
int main()
{
double a,b,c,d,e,A,s,S;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
scanf("%lf",&A);
A=A/2/180*PI;
e=cos(A);
s = (a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*e*e<0)
printf("Invalid input\n");
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*e*e);
printf("%.4f",S);
}
return 0;
}
|
40
|
19947
|
int main(int argc, char* argv[])
{
double a=0,b=0,c=0,d=0,n=0;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&n);
double s=1.0/2*(a+b+c+d);
double g=n/360*PI;
double f=cos(g);
double S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*f*f);
if((s-a)*(s-b)*(s-c)*(s-d)<0){
printf("Invalid input");}
else{
printf("%.4f",S);};
return 0;
}
|
40
|
19948
|
double S(double a ,double b,double c,double d,double x);
int main()
{
double a,b,c,d,x;
double result;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
result = S(a,b,c,d,x);
if(result<0)
{
printf("Invalid input\n");
}
else
{
printf("%.4lf\n",result);
}
return 0;
}
double S(double a,double b,double c,double d,double x)
{
double result = 0;
double s,y;
s=(a+b+c+d)/2;
y=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x/2/180*PI)*cos(x/2/180*PI);
if(y<0)
{
result=-1;
}
else
{
result=sqrt(y);
}
return result;
}
|
40
|
19949
|
int main()
{
double a,b,c,d,angle,s,sqr;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&angle);
s = (a+b+c+d)/2;
angle = (angle /180)*PI;
sqr=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle/2)*cos(angle/2);
if (sqr>0)
{
printf("%.4lf\n",sqrt(sqr));
}
else
if (sqr<0)
printf("Invalid input\n");
else printf("0\n");
}
|
40
|
19950
|
double S(double a,double b,double c,double d,double e);
int main()
{
double a,b,c,d,e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
if(S(a,b,c,d,e)==-1)
{
printf("Invalid input\n");
}
else
{
printf("%.4lf",S(a,b,c,d,e));
}
}
double S(double a,double b,double c,double d,double e)
{
double s,f,t,m;
s=(a+b+c+d)/2;
f=e*3.1415926/(180*2);
t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if(t>=0)
{
m=sqrt(t);
return(m);
}
else
{
return (-1);
}
}
|
40
|
19951
|
int main()
{
double a,b,c,d,angel,sq;
scanf("%lf %lf %lf %lf %lf", &a, &b, &c, &d, &angel);
sq = (b+c+d-a)/2*(c+d+a-b)/2*(d+a+b-c)/2*(a+b+c-d)/2-a*b*c*d*pow(cos(angel/2*PI/180),2);
if (sq<0) printf("Invalid input");
else {
sq = sqrt(sq);
printf("%.4lf", sq);
}
return 0;
}
|
40
|
19952
|
int main(int argc, char* argv[])
{
double a,b,c,d,e,s,S,f;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s = (a+b+c+d)/2;
f=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d* cos (e/2*3.1415926/180) * cos(e/2*3.1415926/180);
if (f>0)
{
S = sqrt(f);
printf("%.4lf",S);
}
else
printf("Invalid input");
}
|
40
|
19953
|
int main()
{
double s,a,b,c,d,o,S;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
scanf("%lf",&o);
s=1.0/2.0*(a+b+c+d);
if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o*3.1415926/180/2)*cos(o*3.1415926/180/2))<0)
{printf("Invalid input");
return 0;}
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(o*3.1415926/180/2)*cos(o*3.1415926/180/2));
printf("%.4lf\n",S);
return 0;
}
|
40
|
19954
|
int main()
{
double a,b,c,d,s,ds;
double e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
e=(double)e*3.1415926/180;
e=(double)e/2;
s=(double)(a+b+c+d)/2;
ds=(double)((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e)*cos(e));
if(ds<0)
{
printf("Invalid input");
}
else
{
ds=sqrt(ds);
printf("%.4lf",ds);
}
return 0;
}
|
40
|
19955
|
int main()
{ double a,b,c,d,e,s;
double ss(double a1,double b1,double c1,double d1,double e1);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=ss(a,b,c,d,e);
if(s==-1){
printf("Invalid input");
}else{
printf("%.4lf",s);
}
return 0;
}
double ss(double a1,double b1,double c1,double d1,double e1)
{ double S,s,n;
s=(a1+b1+c1+d1)/2;
e1=PI*e1/360;
n=(s-a1)*(s-b1)*(s-c1)*(s-d1)-a1*b1*c1*d1*cos(e1)*cos(e1);
if(n>0){
S=sqrt(n);
return S;
}else if(n<0){
return -1;
}
}
|
40
|
19956
|
int main(){
float a,b,c,d,m,jd;
float s,S;
scanf("%f %f %f %f",&a,&b,&c,&d);
scanf("%f",&m);
jd=m*PI/360;
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(jd)*cos(jd);
if (S<0)
printf("Invalid input");
else
printf("%.4f\n",sqrt(S));
return 0;
}
|
40
|
19957
|
void main()
{
double f(double,double,double,double,double);
double a,b,c,d,x,y,s;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&x);
y=f(a,b,c,d,x);
if (y>=0)
{ s=sqrt (y);
printf("%.4lf",s);
}
else
printf("Invalid input\n");
}
double f(double a,double b,double c,double d,double x)
{
double s,y,PI=3.1415926;
s=(a+b+c+d)/2;
x=(x/360)*PI;
y=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x));
return(y);
}
|
40
|
19958
|
void main()
{
double a,b,c,d,j,s,S;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&j);
j=j/360*3.1415926;
j=cos(j);
j=j*j*a*b*c*d;
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-j;
if(S<0) printf("Invalid input");
else
{
S=sqrt(S);
printf("%.4lf",S);
}
}
|
40
|
19959
|
/* Note:Your choice is C IDE */
void main()
{ double a,b,c,d,s;
double ri,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&ri);
ri*=3.1415926/180;
ri/=2;
s=(a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ri)*cos(ri));
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ri)*cos(ri)<0) printf("Invalid input");
else printf("%.4f",S);}
|
40
|
19960
|
main()
{ float a,b,c,d,oo,S;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&oo);
float s=(a+b+c+d)/2;
float o=(oo*3.1415926)/(2*180);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(o))*(cos(o))<0)
printf("Invalid input");
else
{S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(o))*(cos(o)));
printf("%.4f",S);
}
}
|
40
|
19961
|
int main(int argc, char* argv[])
{
double a,b,c,d,sum;
double s,S;
scanf ("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&sum);
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(sum*3.1415926/360)*cos(sum*3.1415926/360);
if(S>0)
{
printf("%.4lf",sqrt(S));
}
else
{
printf("Invalid input");
}
}
|
40
|
19962
|
double S(double x,double y,double z,double w,double m);
int main()
{
double a,b,c,d,e,f,genhaonei,mianji;
scanf ("%lf",&a);
scanf ("%lf",&b);
scanf ("%lf",&c);
scanf ("%lf",&d);
scanf ("%lf",&e);
genhaonei=S(a,b,c,d,e);
if (genhaonei<0)
{
printf("Invalid input");
}
else
{
mianji=sqrt(genhaonei);
printf ("%.4lf\n",mianji);
}
return 0;
}
double S(double x,double y,double z,double w,double m)
{
double s,genxia,ff;
s=0.5000*(x+y+z+w);
ff=0.5000*m/180.0000*PI;
genxia=(s-x)*(s-y)*(s-z)*(s-w)-x*y*z*w*cos(ff)*cos(ff);
return genxia;
}
|
40
|
19963
|
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;
}
int main()
{
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;
}
|
40
|
19964
|
int main()
{
double a,b,c,d,x,s,S;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&x);
x=3.1415926*x/180/2;
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("%.4lf",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)));
return 0;
}
|
40
|
19965
|
int main(int argc, char* argv[])
{
double a,b,c,d,e,s,m;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(3.1415926*e/360)*cos(3.1415926*e/360);
;
if(m>=0){
printf("%.4lf",sqrt(m));
}
else {
printf("Invalid input");
}
return 0;
}
|
40
|
19966
|
int main()
{
double a,b,c,d,e,i;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
e=e/180*3.1415926;
i=(a+b+c+d)/2;
if((i-a)*(i-b)*(i-c)*(i-d)-a*b*c*d*cos(e/2)*cos(e/2)>=0)
printf("%.4lf",sqrt((i-a)*(i-b)*(i-c)*(i-d)-a*b*c*d*cos(e/2)*cos(e/2)));
else
printf("Invalid input");
return 0;
}
|
40
|
19967
|
double mianji(double a,double b,double c,double d,double e)
{
double S;
double s=(a+b+c+d)/2;
double t=(e/180)*PI;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t/2)*cos(t/2));
return S;
}
int main()
{ double n,a,b,c,d,e,s,t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
t=(e/180)*PI;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t/2)*cos(t/2)>=0)
{
n=mianji(a,b,c,d,e);
printf("%.4lf",n);
}
else if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t/2)*cos(t/2)<0)
{
printf("Invalid input");
}
return 0;
}
|
40
|
19968
|
int main()
{
double a,b,c,d,v;
double s,S;
double P;
P=3.1415926;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&v);
s = (double)1/2*(a+b+c+d);
if((s-a)*(s-b)*(s-c)*(s-d)- a*b*c*d*cos(v*P/360)<0)//CXX0017: Error: symbol "cos" not found
printf("Invalid input");
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(v*P/360)*cos(v*P/360));
printf("%.4f",S);
}
return 0;
}
|
40
|
19969
|
int main(int argc, char* argv[])
{
double a ,b,c,d,e;
double S,s,t;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
e=e*PI/360;
t=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e);
if(t<0)
{
printf("Invalid input");
}
else
{
S=sqrt(t);
printf("%.4f",S);
}
return 0;
}
|
40
|
19970
|
float mianji(float a,float b,float c,float d,float e);
int main()
{
float a,b,c,d,e,f;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
f=mianji(a,b,c,d,e);
if(f==-1)
printf("Invalid input");
else
printf("%.4f",f);
return 0;
}
float mianji(float a,float b,float c,float d,float e)
{
float s,m,q,S;
e=e/360*PI;
s=(a+b+c+d)/2;
q=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e)*cos(e);
if(q<=0) return -1;
else S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e)*cos(e));
return S;
}
|
40
|
19971
|
int main()
{
double a,b,c,d,e;
double s,S,x;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
x=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926);
if(x<0) printf("Invalid input\n");
else {
S=sqrt(x);
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
19972
|
int main()
{
double squart(double a,double b,double c,double d,double e);
double x1,x2,x3,x4,y;
scanf("%lf",&x1);
scanf("%lf",&x2);
scanf("%lf",&x3);
scanf("%lf",&x4);
scanf("%lf",&y);
double genhao,s,e1,sum;
s=(x1+x2+x3+x4)/2; e1=y*pi/360;
genhao=(s-x1)*(s-x2)*(s-x3)*(s-x4)-x1*x2*x3*x4*cos(e1)*cos(e1);
if(genhao<0)
printf("Invalid input\n");
else
{
sum=squart(x1,x2,x3,x4,y);
printf("%.4lf",sum);
}
return 0;
}
double squart(double a,double b,double c,double d,double e)
{
double m,s1;
double n;
n=e*pi/360;
s1=(a+b+c+d)/2;
m=sqrt((s1-a)*(s1-b)*(s1-c)*(s1-d)-a*b*c*d*cos(n)*cos(n));
return m;
}
|
40
|
19973
|
double mianji (double a,double b,double c,double d,double q)
{
double s,p;
p=(a+b+c+d)/2;
p=(p-a)*(p-b)*(p-c)*(p-d);
if (p<0)
{
printf ("Invalid input");
}
else
{
s=sqrt(p-a*b*c*d*(cos(q))*(cos(q)));
printf ("%.4lf",s);
}
return 0;
}
int main(int argc, char* argv[])
{
double a,b,c,d,p;
scanf ("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&p);
p=p/360*3.1415926;
mianji (a,b,c,d,p);
return 0;
}
|
40
|
19974
|
double a,b,c,d,a1;
void main()
{
double sq,s,m;
double S();
scanf("%lf",&a);
scanf("\n");
scanf("%lf",&b);
scanf("\n");
scanf("%lf",&c);
scanf("\n");
scanf("%lf",&d);
scanf("\n");
scanf("%lf",&a1);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*m*m<0)
printf("Invalid input");
else
{sq=S();
printf("%.4lf",sq);
}
}
double S()
{
double a2,s,sq,m;
a2=(a1*PI)/360;
m=cos(a2);
s=(a+b+c+d)/2;
sq=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*m*m);
return sq;
}
|
40
|
19975
|
main()
{
double a[4];
double b,s;
for(int i=0;i<4;i++)
scanf("%lf",&a[i]);
scanf("%lf",&b);
b=PI*b/180/2;
s=0.5*(a[0]+a[1]+a[2]+a[3]);
s=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*cos(b)*cos(b);
if(s<0)
printf("Invalid input");
else
printf("%.4lf",sqrt(s));
}
|
40
|
19976
|
int main()
{
double a,b,c,d,A,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&A);
if((b+c+d-a)*(a+c+d-b)*(a+b+d-c)*(a+b+c-d)/16-a*b*c*d*cos(A*3.1415926/360)*cos(A*3.1415926/360)<0){
printf("Invalid input");
}
else{
S=sqrt((b+c+d-a)*(a+c+d-b)*(a+b+d-c)*(a+b+c-d)/16-a*b*c*d*cos(A*3.1415926/360)*cos(A*3.1415926/360));
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
19977
|
int main(){
double a, b, c, d, e, k, s, S;
scanf("%lf%lf%lf%lf%lf", &a, &b, &c, &d, &e);
s = (a+b+c+d)/2;
#define q 3.1415926
S = sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*q/360)*cos(e*q/360));
k =(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*q/360)*cos(e*q/360);
if(k>0){
printf("%.4lf", S);
}
else if(k<0){
printf("Invalid input");
}
return 0;
}
|
40
|
19978
|
int main(int argc, char* argv[])
{
double a,b,c,d;
scanf("%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d);
double n;
scanf("%lf",&n);
double s,N;
s=(a+b+c+d)/2;
N=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*n/360)*cos(PI*n/360);
if(N<0)printf("Invalid input");
else{
double S;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*n/360)*cos(PI*n/360));
printf("%.4f",S);
}
return 0;
}
|
40
|
19979
|
int main(void)
{
double a,b,c,d,af,s,S,k;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&af);
s=(a+b+c+d)/2.0;
af=cos(af/2.0*3.1415926/180.0);
k=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*af*af;
if(k<0)
printf("Invalid input\n");
else
S=sqrt(k),
printf("%.4lf\n",S);
return 0;
}
|
40
|
19980
|
int pd=0;
double S(double a,double b,double c,double d,double angle)
{
double s,t;
s = (a+b+c+d)/2;
t = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle)*cos(angle);
if (t<0)
{
pd = 1;
return 0;
}
else
return (sqrt(t));
}
int main()
{
double a,b,c,d,angle,ans;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
angle = angle * PI / 360;
ans = S(a,b,c,d,angle);
if (pd)
printf("Invalid input");
else
printf("%.4lf",ans);
return 0;
}
|
40
|
19981
|
main()
{
double surface(double a,double b,double c,double d,double e,double s);
double a,b,c,d,e,s,S;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
S=surface(a,b,c,d,e,s);
}
double surface(double a,double b,double c,double d,double e,double s)
{
double S;
s=0.5*(a+b+c+d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360)<0)printf("Invalid input");
else printf("%.4lf",S);
return S;
}
|
40
|
19982
|
double area(double a,double b,double c,double d,double angle)
{double s,sum;
s=(a+b+c+d)/2;
sum=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(3.1415926*angle/360)*cos(3.1415926*angle/360));
return sum;
}
int main(int argc, char* argv[])
{double a,b,c,d,angle,k;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
k=area(a,b,c,d,angle);
if(k>=0)
printf("%.4lf\n",k);
else
printf("Invalid input");
return 0;
}
|
40
|
19983
|
void main()
{
double cal(double,double,double,double,double,double);
double S,a,b,c,d,s,x;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
S=cal(a,b,c,d,s,x);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos((x/360)*3.1415926)*cos((x/360)*3.1415926)<-0.00001)
printf("Invalid input");
else
printf("%.4lf",S);
}
double cal(double a,double b,double c,double d,double s,double x)
{
double S;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos((x/360)*3.1415926)*cos((x/360)*3.1415926));
return(S);
}
|
40
|
19984
|
int main ()
{
double pi=3.1415926,f,s=0,a[4],sum;
int i;
for(i=0;i<4;i++)
scanf("%lf",&a[i]);
scanf("%lf",&f);
f=pi/360*f;
for(i=0;i<4;i++)
s=s+(a[i])/2;
sum=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*cos(f)*cos(f);
if(sum<0) printf("Invalid input");
else
{
sum=sqrt(sum);
printf("%.4f",sum);
}
}
|
40
|
19985
|
int main()
{
double a,b,c,d,e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
double s=(a+b+c+d)/2;
double q=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*3.1415926)*cos(e/360*3.1415926));
if(q<0)
printf("Invalid input");
else
{
double r=sqrt(q);
printf("%.4lf",r);
}
}
|
40
|
19986
|
void main()
{
int i;
double a[5],s,q;
for(i=0;i<5;i++)
scanf("%lf\n",&a[i]);
q=(a[1]+a[2]+a[3]+a[0])/2;
s=(q-a[0])*(q-a[1])*(q-a[2])*(q-a[3])-a[0]*a[1]*a[2]*a[3]*cos(a[4]*PI/(double)360)*cos(a[4]*PI/(double)360);
if(s<0)printf("Invalid input");
else printf("%.4lf",sqrt(s));
}
|
40
|
19987
|
double area(double a,double b,double c,double d,double e)
{
double s=(a+b+c+d)/2;
double x=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(e*PI/360),2);
return x;
}
int main()
{
double a,b,c,d,e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
if(area(a,b,c,d,e)<0)
{
printf("Invalid input");
}
else
{
double S=sqrt(area(a,b,c,d,e));
printf("%.4lf",S);
}
return 0;
}
|
40
|
19988
|
float sss(float a,float b,float c,float d,float alpha)
{
float s=(a+b+c+d)/2;
return (float)sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alpha/180*3.1415926/2)*cos(alpha/180*3.1415926/2));
}
int main()
{
float a,b,c,d,alpha;
scanf("%f %f %f %f %f",&a,&b,&c,&d,&alpha);
float result;
result=sss(a,b,c,d,alpha);
if(result>0) printf("%.4f\n",result);
else printf("Invalid input\n");
return 0;
}
|
40
|
19989
|
main()
{
double a,b,c,d,s,ang;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&ang);
s=(a+b+c+d)/2;
ang=ang*3.1415926/180;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ang/2)*cos(ang/2)<0)
printf("Invalid input");
else
printf("%.4lf",sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ang/2)*cos(ang/2)));
getchar();
getchar();
}
|
40
|
19990
|
int main ()
{
double a, b, c, d, e ,s, S,PI = 3.1415926;
cin >> a >> b >> c >> d >> e;
e = e * PI / 180;
s = ( a + b + c + d ) / 2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e / 2) * cos (e / 2) <= 0)
cout << "Invalid input" << endl;
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e / 2) * cos (e / 2));
cout << fixed << setprecision(4) << S << endl;
}
return 0;
}
|
40
|
19991
|
void main()
{
float a,b,c,d,e,S(float f,float g,float h,float i,float j),z;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
z=S(a,b,c,d,e);
if(z>0)
printf("%.4f",z);
else
printf("Invalid input");
}
float S(float f,float g,float h,float i,float j)
{
double sq,s;
s = (f+g+h+i)/2;
if(((s-f)*(s-g)*(s-h)*(s-i) - f*g*h*i*cos(j/720*2*PI)*cos(j/720*2*PI))>0)
sq=sqrt((s-f)*(s-g)*(s-h)*(s-i) - f*g*h*i*cos(j/720*2*PI)*cos(j/720*2*PI));
return(sq);
}
|
40
|
19992
|
int main(void)
{
float a=0,b=0,c=0,d=0;
float aa=180;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&aa);
aa=aa/180*3.1415926;
float S=0;
float s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((double)aa/2)*cos((double)aa/2)<0)
printf("Invalid input");
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((double)aa/2)*cos((double)aa/2));
printf("%.4f",S);
}
return 0;
}
|
40
|
19993
|
void main()
{
float a,b,c,d,s,angle2;
double S,sum,PI=3.1415926,angle;
scanf("%f%f%f%f",&a,&b,&c,&d);
s=(a+b+c+d)/2;
scanf("%f",&angle2);
angle=angle2/2/180*PI;
sum=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle)*cos(angle);
if(sum>=0)
{
S = sqrt(sum);
printf("%.4f",S);
}
else printf("Invalid input");
}
|
40
|
19994
|
int main()
{
double a,b,c,d,e,s,g;
double q=cos((60*PI/180));
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
g=((s-a)*(s-b)*(s-c)*(s-d))-(a*b*c*d*cos(e*PI/360)*cos(e*PI/360));
if (g<0) printf("Invalid input"); else printf("%.4lf",sqrt(g));
}
|
40
|
19995
|
int main()
{
double a,b,c,d,angle,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle/360*PI)*cos(angle/360*PI))<0)
printf("Invalid input");
else
printf("%.4lf",sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle/360*PI)*cos(angle/360*PI)));
return 0;
}
|
40
|
19996
|
int main()
{
double a,b,c,d,al,o;
double f(double A,double B,double C,double D,double AL);
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&al);
o=f(a,b,c,d,al);
if(o==-1){
printf("Invalid input");
}else{
printf("%.4lf",o);
}
return 0;
}
double f(double A,double B,double C,double D,double AL)
{
double s,S;
s=(A+B+C+D)*0.5;
if(A*B*C*D*cos(AL*Pi/360)*cos(AL*Pi/360)>(s-A)*(s-B)*(s-C)*(s-D)){
S=-1;
}else{
S=sqrt((s-A)*(s-B)*(s-C)*(s-D)-A*B*C*D*cos(AL*Pi/360)*cos(AL*Pi/360));
}
return (S);
}
|
40
|
19997
|
int main()
{
double a,b,c,d,x,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
x=x*PI/360;
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x);
if(S>=0)
{
S=sqrt(S);
printf("%.4lf",S);
}
else
{
printf("Invalid input");
}
return 0;
}
|
40
|
19998
|
int main()
{
double sq(double w,double x,double y,double z,double v);
double b,c,d,e,a,s;
scanf("%lf%lf%lf%lf%lf",&b,&c,&d,&e,&a);
printf("\n");
s=sq(b,c,d,e,a);
if(s>0)
printf("%.4lf",s);
else
printf("Invalid input\n");
}
double sq(double w,double x,double y,double z,double v)
{
double u,q,r,t;
q=(v/(double)(360))*3.1415926;
r=cos(q);
t=(w+x+y+z)/2;
if(((t-w)*(t-x)*(t-y)*(t-z)-w*x*y*z*r*r)>0)
u=sqrt((t-w)*(t-x)*(t-y)*(t-z)-w*x*y*z*r*r);
else
u=0;
return(u);
}
|
40
|
19999
|
main()
{double a,b,c,d,x,y,z,s,sn,S;
char h[15]={"Invalid input\0"};
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
s=(a+b+c+d)/2;
y=x/2/180*PI;
z=cos(y)*cos(y);
sn=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*z;
if(sn<0)
{printf("%s",h);}
else
{S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*z);
printf("%6.4lf",S);
}
}
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.