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stringlengths 87
8.24k
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40
|
19500
|
int main(){
double c,d,e,f,g,h,i,s;
scanf("%lf%lf%lf%lf%lf",&c,&d,&e,&f,&g);
i = (g/360)*PI;
s = (c+d+e+f)/2.0;
h = (s-f)*(s-e)*(s-c)*(s-d) - e*f*c*d*(cos(i))*(cos(i)); //?????????
if(h<0){
printf("Invalid input\n");
}
else{
double a, x2, x1;
a = h;
x1 = 1;
x2 = (x1+a/x1)/2.0;
while(x2-x1 > JINGDU || x1-x2 > JINGDU){
x1 = x2;
x2 = (x1+a/x1)/2.0;
}
printf("%.4f\n",x2);
}
return 0;
}
|
40
|
19501
|
float s(float a, float b, float c, float d, float alpha);
void main()
{
float a, b, c, d, alpha;
scanf("%f%f%f%f%f", &a,&b,&c,&d,&alpha);
if (s(a,b,c,d,alpha)==0)
printf("Invalid input");
else
printf("%.4f", s(a,b,c,d,alpha));
}
float s(float a, float b, float c, float d, float alpha)
{
float S,s, n,r;
s = (a+b+c+d)/2;
r=alpha/2/360*3.1415926*2;
n=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(r)*cos(r);
if (n<0)
return 0;
else
{S = sqrt(n);
return S;
}
}
|
40
|
19502
|
int main()
{
double a,b,c,d,w,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&w);
s=(a+b+c+d)/2.0;
w=cos(w/2.0*3.1415926/180.0);
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*w*w>0){
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*w*w);
printf("%.4f\n",S);
}
else{
printf("Invalid input\n");
}
return 0;
}
|
40
|
19503
|
void main()
{
double mianji(double a,double b,double c,double d,double j);
double a,b,c,d,j,jj,ss;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&j);
jj=j*p/t;
ss=mianji(a,b,c,d,jj);
if (ss!=-1) printf("%.4lf\n",ss);
else printf("Invalid input\n");
}
double mianji(double a,double b,double c,double d,double jj)
{
double s,q,qq;
s=(a+b+c+d)/2;
q=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(jj)*cos(jj);
if (q<0) qq=-1;
else qq=sqrt(q);
return(qq);
}
|
40
|
19504
|
void main()
{
double square(double a,double b,double c,double d,double angle);
double a,b,c,d,angle,s,S,ang;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&angle);
s=(a+b+c+d)/2;
ang=(angle/(double)360)*3.1415926;
{
if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(ang)*cos(ang))<0)
printf("Invalid input");
else
{
S=square(a,b,c,d,angle);
printf("%.4lf",S);
}
}
}
double square(double a,double b,double c,double d,double angle)
{
double S,s,ang;
s=(a+b+c+d)/2;
ang=(angle/(double)360)*3.1415926;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(ang)*cos(ang));
return(S);}
|
40
|
19505
|
double f(double a,double b,double c,double d,double e)
{
double s,S;
e=e/180*3.1415926;
s=(a+b+c+d)/2;
S=(s-a)*(s-b)*(s-c)*(s-d)-(a*b*c*d*cos(e/2)*cos(e/2));
if(S<0){return 0;}
else S=sqrt(S);
return S;
}
int main(){
double a,b,c,d,e,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
S=f(a,b,c,d,e);
if(S==0){printf("Invalid input");}
else printf("%.4lf",S);
return 0;
}
|
40
|
19506
|
int main()
{
double a,b,c,d,m,n,x,s,S,t;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&m);
x=m*pi/360;
n=cos(x);
s=(a+b+c+d)/2;
t=(s-a)*(s-b)*(s-c)*(s-d);
if((t-a*b*c*d*n*n)<0)
printf("Invalid input\n");
else
{
S=sqrt(t-a*b*c*d*n*n);
printf("%.4lf",S);
}
return 0;
}
|
40
|
19507
|
int main(){
double a,b,c,d,e,s,M,S;
scanf("%lf%lf%lf%lf%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(e*3.1415926/360)*cos(e*3.1415926/360);
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(M<0){
printf("Invalid input"); }
else {if (M>=0){
S = sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360));
printf("%.4lf\n",S);}}
return 0;
}
|
40
|
19508
|
int main(void)
{
double a,b,c,d,af,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&af);
s=(a+b+c+d)/2;
af=cos(af/180*3.1415926/2);
S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*af*af;
if(S<0)
printf("Invalid input\n");
else
printf("%.4lf\n",sqrt(S));
return 0;
}
|
40
|
19509
|
double square(double a1,double b1,double c1,double d1,double jiao1)
{
double s=(a1+b1+c1+d1)/2;
double k=cos(jiao1/2)*cos(jiao1/2);
if(((s-a1)*(s-b1)*(s-c1)*(s-d1)-a1*b1*c1*d1*k)<0) return 0;
else
{
double S=sqrt((s-a1)*(s-b1)*(s-c1)*(s-d1)-a1*b1*c1*d1*k);
return S;
}
}
void main()
{
double S,a,b,c,d,jiao;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jiao);
jiao=jiao/360*2*3.1415926;
S=square(a,b,c,d,jiao);
if(S==0)printf("Invalid input");
else
printf("%.4lf",S);
}
|
40
|
19510
|
int main()
{
float s,a,b,c,d;
double e,S,jf,g,PI;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%lf",&g);
s = (a+b+c+d)/2;
PI=3.1415926;
e=(g*1.0/2)/360*2*PI;
jf=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e);
if(jf<0){
printf("Invalid input\n");}
else{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e));
printf("%.4lf\n",S);}
return 0;
}
|
40
|
19511
|
void main()
{
double S(double a,double b,double c,double d,double s,double n);
double a,b,c,d,s,m,n,area,PI=3.1415926;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&m);
s=(a+b+c+d)/2;
n=m/(2*180)*PI;
if(S(a,b,c,d,s,n)>=0)
{area=sqrt(S(a,b,c,d,s,n));
printf("%.4lf",area);}
else printf("Invalid input");
}
double S(double a,double b,double c,double d,double s,double n)
{
double z;
z=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(n)*cos(n);
return(z);
}
|
40
|
19512
|
int main()
{
double a,b,c,d,e,s,S,f,D;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
f=e*3.1415926/(2*180);
D=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f);
if(D>=0)
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f));
printf("%.4lf",S);
}
if(D<0)
{
printf("Invalid input");
}
return 0;
}
|
40
|
19513
|
int main()
{
double A,B,C,D,E,F;
double s(double a,double b,double c,double d,double e);
scanf("%lf%lf%lf%lf%lf",&A,&B,&C,&D,&E);
F=s(A,B,C,D,E);
if (F==0)
printf("Invalid input");
else
printf("%.4lf",F);
return 0;
}
double s(double a,double b,double c,double d,double e)
{
double g,h,z;
g=(a+b+c+d)/2;
h=e/360*PI;
if (((g-a)*(g-b)*(g-c)*(g-d))>=0)
z=sqrt((g-a)*(g-b)*(g-c)*(g-d)-a*b*c*d*(cos(h))*(cos(h)));
else
z=0;
return z;
}
|
40
|
19514
|
int main(int argc, char* argv[])
{
double a,b,c,d,m,n;
scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&n);
double s=(a+c+d+b)/2;
m=(n/360)*p;
double S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(m)*cos(m));
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(m)*cos(m)>=0)
{
printf("%.4f",S);
}
else
{
printf("Invalid input");
}
return 0;
}
|
40
|
19515
|
double S(double a,double b,double c,double d,double m);
double max(double a,double b,double c,double d);
int main(int argc, char* argv[])
{
double a,b,c,d,m,ans;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m);
if(max(a,b,c,d)<(a+b+c+d)/2)
{
m=m*3.1415926/180/2;
ans=S(a,b,c,d,m);
printf("%.4lf",ans);
}
else printf("Invalid input");
return 0;
}
double S(double a,double b,double c,double d,double m)
{
double S=0;
S=sqrt(((a+b+c+d)/2-a)*((a+b+c+d)/2-b)*((a+b+c+d)/2-c)*((a+b+c+d)/2-d)-a*b*c*d*cos(m)*cos(m));
return S;
}
double max(double a,double b,double c,double d)
{
if(a<b)
{
a=b;
}
if(c<d)
{
c=d;
}
if(a<c)
{
a=c;
}
return a;
}
|
40
|
19516
|
double s,final;
void main()
{
double a,b,c,d,aa;
void four(double,double,double,double,double,double);
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&aa);
s=(a+b+c+d)/2;
aa=aa/360*3.1415926;
four(a,b,c,d,s,aa);
}
void four(double a,double b,double c,double d,double ss, double angle)
{
double w;
w=(ss-a)*(ss-b)*(ss-c)*(ss-d)-a*b*c*d*cos(angle)*cos(angle);
if(w<0)
printf("Invalid input");
else printf("%.4lf",sqrt(w));;
}
|
40
|
19517
|
main()
{
float a,b,c,d;
float n;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&n);
float s;
float h=180;
s=(a+b+c+d)/2;
h=n/180*3.1415926;
float S;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((double)h/2)*cos((double)h/2)<0)
{ printf("Invalid input"); }
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos((double)h/2)*cos((double)h/2));
printf("%.4f",S);
}
}
|
40
|
19518
|
int main(int argc, char* argv[])
{
double a,b,c,d,e,s,t,g,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
g=e*3.1415926/360;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) -a*b*c*d*cos(g)*cos(g));
t=(s-a)*(s-b)*(s-c)*(s-d) -a*b*c*d*cos(g)*cos(g);
if (t>=0)
{
printf("%.4f\n",S);
}
else
{
printf("Invalid input\n");
}
return 0;
}
|
40
|
19519
|
int main()
{
double a,b,c,d,s,S,ang;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&ang);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(ang/360*PI)*cos(ang/360*PI)<0)
printf("Invalid input");
else
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(ang/360*PI)*cos(ang/360*PI));
printf("%.4lf",S);
return 0;
}
}
|
40
|
19520
|
double f(double a,double b,double c,double d,double e)
{
double s,S;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(e))*(cos(e)));
return S;
}
void main()
{
double a,b,c,d,e,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
e=e*PI/360;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*(cos(e))*(cos(e))<0)
{
printf("Invalid input");
}
else
{
S=f(a,b,c,d,e);
printf("%.4lf",S);
}
}
|
40
|
19521
|
int main()
{
double a,b,c,d,s,S,e;
double angle;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
s=0.5*(a+b+c+d);
e=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*
cos(angle/360*pai)*cos(angle/360*pai);
if(e>=0)
{
S=sqrt(e);
printf("%.4f",S);
}
else
{
printf("Invalid input");
}
return 0;
}
|
40
|
19522
|
int main()
{
double a,b,c,d,s,S,p,t,k;
double r;
scanf("%lf%lf%lf%lf",&a,&b,&c,&d);
scanf("%lf",&r);
k=r*PI/360;
t=cos(k);
p=pow(t,2);
s = (a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*p)<0)
{
printf("Invalid input");
}
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*p);
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
19523
|
double area(double a,double b,double c,double d,double e){
double s,sa;
e=3.1415926*e/180/2;
s=(a+b+c+d)/2;
sa=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e)*cos(e);
if(sa<0)
return -1;
else
return sqrt(sa);
}
int main(){
double a,b,c,d,e,ans;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
ans=area(a,b,c,d,e);
if(ans<0)
printf("Invalid input\n");
else
printf("%0.4lf\n",ans);
return 0;
}
|
40
|
19524
|
int main()
{
float a,b,c,d,r,t,s;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&t);
s=(a+b+c+d)/2;
r=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(t/360*3.1415926)*cos(t/360*3.1415926);
if(r<0)
{
printf("Invalid input");
}
else
{
printf("%.4f",sqrt(r));
}
return 0;
}
|
40
|
19525
|
int main()
{
double a,b,c,d,e,s,S;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2.0;
if (((s-a)*(s-b)*(s-c)*(s-d))<=0) {
printf("Invalid input\n");
}
else{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*e/360.0)*cos(PI*e/360.0));
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
19526
|
double S(double,double,double,double,double);
int main()
{
double a,b,c,d,jiaodu,pingjun,hudu,mianji,genhaonei,PI=3.1415926;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jiaodu);
hudu=jiaodu*2*PI/360/2;
pingjun=(a+b+c+d)/2;
S(a,b,c,d,hudu);
return 0;
}
double S(double a,double b,double c,double d,double hudu)
{ double pingjun,mianji,genhaonei;
pingjun=(a+b+c+d)/2;
genhaonei=(pingjun-a)*(pingjun-b)*(pingjun-c)*(pingjun-d) - a*b*c*d*cos(hudu)*cos(hudu);
if(genhaonei<0)
{printf("Invalid input");}
else
{mianji=sqrt(genhaonei);
printf("%.4lf",mianji);}
return 0;
}
|
40
|
19527
|
double s(double a,double b,double c,double d,double q);
void main()
{
double a,b,c,d,q,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q);
S=s(a,b,c,d,q);
if (S==-1) printf("Invalid input");
else printf("%.4f",S);
}
double s(double a,double b,double c,double d,double q)
{
double m,angle,r,n;
angle=q/360*3.1415926;
m=(a+b+c+d)/2;
n=(m-a)*(m-b)*(m-c)*(m-d)-a*b*c*d*cos(angle)*cos(angle);
if(n<0) r=-1;
else {r=sqrt(n);}
return r;
}
|
40
|
19528
|
int main()
{
float a,b,c,d,e;
float s;
float m,n,p,q;
float t;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s=a+b+c+d;
s=s/2;
m=s-a;
n=s-b;
p=s-c;
q=s-d;
t=m*n*p*q-a*b*c*d*(cos(e*PI/360.0))*(cos(e*PI/360.0));
if (t<0)
printf("Invalid input");
else
{
t=sqrt(t);
printf("%.4f",t);
}
return 0;
}
|
40
|
19529
|
int main(int argc, char* argv[])
{ double a,b,c,d,s,e,f,g,PI=3.1415926,S;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e);
f=e/360.0*PI;
s=1.0/2.0*(a+b+c+d);
g=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f);
if(g<0){
printf("Invalid input");
}
else{
S=sqrt(g);
printf("%.4f",S);
}
return 0;
}
|
40
|
19530
|
double s(double a,double b,double c,double d,double f);
int main()
{
double a,b,c,d,e,f;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
f=e*3.1415926/180;
if(s(a,b,c,d,f)==-1)
{
printf("Invalid input");
}
else
{
printf("%.4lf",s(a,b,c,d,f));
}
}
double s(double a,double b,double c,double d,double f)
{
double p,t,m,n;
m=f/2;
t=(a+b+c+d)/2;
n=(t-a)*(t-b)*(t-c)*(t-d) - a*b*c*d*cos(m)*cos(m);
if(n>=0)
{
p=sqrt(n);
return(p);
}
else
{
return(-1);
}
}
|
40
|
19531
|
int main()
{
double a,b,c,d,e,s,x;
scanf("%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d);
scanf("%lf",&x);
e=a/2+b/2+c/2+d/2;
s=sqrt((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*((cos(x/180*PI)+1)/2));
if((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*((cos(x/180*PI)+1)/2)<0)
printf("Invalid input");
else
printf("%.4lf",s);
return 0;
}
|
40
|
19532
|
int main()
{
double a,b,c,d,e,f,t,h,s,m,z;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&m);
f=3.1415926;
e=(a+b+c+d)*1.0/2;
h=m*f/360;
t=a*b*c*d*cos(h)*cos(h);
z=(e-a)*(e-b)*(e-c)*(e-d)-t;
if(z>0){
s=sqrt((e-a)*(e-b)*(e-c)*(e-d)-t);
printf("%.4lf\n",s);}
else
printf("Invalid input");
return 0;}
|
40
|
19533
|
double a,b,c,d,o;
double s(double a,double b,double c,double d,double o)
{
double y,z,w;
y=o*PI/360;
z=(a+b+c+d)/2;
w=(z-a)*(z-b)*(z-c)*(z-d)-a*b*c*d*cos(y)*cos(y);
if(w<0) return(-1);
else return (double)sqrt(w);
}
void main()
{
double t;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&o);
t=s(a,b,c,d,o);
if(t==-1) printf("Invalid input");
else printf("%.4lf",t);
}
|
40
|
19534
|
double pai=3.1415926;
void main()
{
double a, b, c, d, x, y_hudu;
double s, S;
scanf("%lf", &a);
scanf("%lf", &b);
scanf("%lf", &c);
scanf("%lf", &d);
scanf("%lf", &x);
s = (a+b+c+d)/2;
y_hudu=(x/360)*pai;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(y_hudu)*cos(y_hudu)<0) printf("Invalid input");
else {S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(y_hudu)*cos(y_hudu));printf("%.4f",S);};
}
|
40
|
19535
|
double area(double a,double b,double c,double d,double jiaodu){
double s,delta,area,t;
t=PI*jiaodu/360.0;
s=(a+b+c+d)/2;
delta=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(t)*cos(t);
if(delta<0){
return -1;
}
if(delta>=0){
area=sqrt(delta);
return area;
}
}
int main()
{
double a,b,c,d,jiaodu;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jiaodu);
if(area(a,b,c,d,jiaodu)==-1){
printf("Invalid input\n");
}else{
printf("%.4lf\n",area(a,b,c,d,jiaodu));
}
return 0;
}
|
40
|
19536
|
int main()
{
float PI=3.1415926;
float a,b,c,d,y;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&y);
double x=y/2.0;
double s=(a+b+c+d)/2;
double ss=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x*PI/180)*cos(x*PI/180);
if(ss<0)
{
printf("Invalid input\n");
}
else
{
double mianji=sqrt(ss);
printf("%.4f\n",mianji);
}
return 1;
}
|
40
|
19537
|
int main()
{ 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
|
19538
|
void main()
{double SS(double a,double b,double c,double d,double jiao);
double a,b,c,d,jiao,s,j,pi=3.1415926,mianji;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&jiao);
s=1.0/2.0*(a+b+c+d);
j=jiao*pi/360.0;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j))<0)
printf("Invalid input");
else {mianji=SS(a,b,c,d,jiao);printf("%.4lf",mianji);}
}
double SS(double a,double b,double c,double d,double jiao)
{double j,s,mianji,pi=3.1415926;
s=1.0/2.0*(a+b+c+d);
j=jiao*pi/360.0;
mianji=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j));
return(mianji);
}
|
40
|
19539
|
double m(double a,double b,double c,double d,double e)
{
double pi,s,sq;
s=(a+b+c+d)/2;
pi=3.1415926;
sq=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(pi*e/360)*cos(pi*e/360));
return(sq);
}
void main()
{
double m(double a,double b,double c,double d,double e);
double a,b,c,d,e,p,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)<0)
printf("Invalid input");
else
{p=m(a,b,c,d,e);
printf("%.4lf\n",p);}
}
|
40
|
19540
|
double area1(double a,double b,double c,double d,double j);
int main()
{
double e,f,g,h,i,j,y;
scanf("%lf%lf%lf%lf%lf",&e,&f,&g,&h,&i);
if(i>0&&i<360){
j=PI*i/360;
y=area1(e,f,g,h,j);
if(y!=-1){
printf("%.4lf",y);
}else{
printf("Invalid input");
}
}
return 0;
}double area1(double a,double b,double c,double d,double j)
{
double s,S;
s=(a+b+c+d)/2.0;
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(j)*cos(j)<0){S=-1;}
return S;
}
|
40
|
19541
|
double PI=3.1415926;
double area(double a,double b,double c,double d,double e);
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*cos(e/360*PI)*cos(e/360*PI)<0)
{printf("Invalid input");
}
else
{S=area(a,b,c,d,e);
printf("%.4lf",S);
}
return 0;
}
double area(double a,double b,double c,double d,double e){
double S,s;
s=(a+b+c+d)/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*PI)*cos(e/360*PI));
return S;
}
|
40
|
19542
|
double sqare(double a,double b,double c,double d,double angle);
void main()
{
double a,b,c,d,angle;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
double s=sqare(a,b,c,d,angle);
if(sqare(a,b,c,d,angle)==-1)
printf("Invalid input\n");
else
printf("%.4lf\n",s);
}
double sqare(double a,double b,double c,double d,double angle)
{
double sq,s,alfa;
alfa=PI*angle/360;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(alfa),2))<0)
return -1;
else
{
sq=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(alfa),2));
return sq;
}
}
|
40
|
19543
|
int main()
{
double a,b,c,d,s,S,e;
double m,n;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&m);
n = 3.1415926*m/360;
s = (a+b+c+d)/2;
e = ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(n)*cos(n));
if (e>=0)
{
S = sqrt(e);
printf("%.4lf",S);
}
else{
printf("Invalid input");
}
return 0;
}
|
40
|
19544
|
int main()
{
double a,b,c,d,s,S,k,e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&k);
k=k/2;
k=k/180*PI;
s=(a+b+c+d)/2;
e=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k)*cos(k);
if(e<0)
printf("Invalid input");
else
{S = sqrt(e);
printf("%.4f",S);
}
return 0;
}
|
40
|
19545
|
//struct
main()
{
float a,b,c,d,e;
scanf("%f",&a);
scanf("%f",&b);
scanf("%f",&c);
scanf("%f",&d);
scanf("%f",&e);
double r;
r=e/360*3.1415926;
float s,S;
s = (a+b+c+d)/2;
double w;
w=cos(r);
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*w*w)>=0)
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*w*w);
printf("%.4f",S);
}
else
printf("Invalid input");
}
|
40
|
19546
|
int main(int argc, char* argv[])
{
double a,b,c,d,t,s,S,h;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&t);
s = 0.5*(a+b+c+d);
h=(t/180.0)*3.1415926;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(h/2)*cos(h/2)<0)
printf("Invalid input\n");
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(h/2)*cos(h/2));
printf("%.4f",S);
}
return 0;
}
|
40
|
19547
|
double f(double a,double b,double c,double d,double r)
{
double s,s1,s2,co;
s=0.5*(a+b+c+d);
r=r/180;
r=r/2;
r=r*PI;
co=cos(r);
s1=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*co*co;
if(s1<0) return 0;
s2=sqrt(s1);
return (s2);
}
int main()
{
double a,b,c,d,s1;
double r,s;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&r);
s1=f(a,b,c,d,r);
if(s1==0) printf("Invalid input");
else
printf("%.4f",s1);
}
|
40
|
19548
|
int main(int argc, char* argv[])
{
double a, b, c, d, e, f, s, S, g;
scanf("%lf%lf%lf%lf%lf", &a, &b, &c, &d, &e);
#define pi 3.1415926
s=1.0/2*(a+b+c+d);
f=(e/2)*pi/180;
g = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f);
if (g>0)
{
S = sqrt(g);
printf("%.4lf\n", S);
}
else
{
printf("Invalid input\n");
}
return 0;
}
|
40
|
19549
|
int main()
{
double a,b,c,d,s,e,S1;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
s=(a+b+c+d)/2;
S1=((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e/360*PI)*cos(e/360*PI));
if(S1>=0)
printf("%.4lf",sqrt(S1));
else
printf("Invalid input");
}
|
40
|
19550
|
double PI=3.1415926;
double area(double a,double b,double c,double d,double e);
int main(){
double x,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(e/2*PI/180)*cos(e/2*PI/180)>=0){
x=area(a,b,c,d,e);
printf("%.4lf",x);
}else{
printf("Invalid input");
}
return 0;
}
double area(double a,double b,double c,double d,double e){
double S;
double s;
double PI=3.1415926;
s=(a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e/2*PI/180)*cos(e/2*PI/180));
return S;
}
|
40
|
19551
|
int main()
{
double a,b,c,d,t,s,f,n,x;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&t);
s =(double) 1/2*(a+b+c+d);
n=(double)3.1415926*2*t/360;
x=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(1+cos(n))/2;
if (x>=0)
{
f=(double) sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(1+cos(n))/2);
printf("%.4lf",f);
}
else printf("Invalid input");
return 0;
}
|
40
|
19552
|
double a,b,c,d,angle,S,s;
int main(int argc, char* argv[])
{
double square(double x1,double x2,double x3,double x4,double beta);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
angle=angle/180*PI;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle/2)*cos(angle/2)<0){
printf("Invalid input");}
else printf("%.4lf",square(a,b,c,d,angle));
return 0;
}
double square(double x1,double x2,double x3,double x4,double beta){
S=sqrt((s-x1)*(s-x2)*(s-x3)*(s-x4)-x1*x2*x3*x4*cos(beta/2)*cos(beta/2));
return S;
}
|
40
|
19553
|
double s(double a,double b,double c,double d,double r)
{
double result;
result=((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(3.1415926/180*r/2)*cos(3.1415926/180*r/2);
if(result>=0)
result=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(3.1415926/180*r/2)*cos(3.1415926/180*r/2));
return result;
}
int main()
{
double mj, a, b, c, d, r;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&r);
mj=s(a, b, c, d ,r);
if (mj>=0)
printf("%.4lf",mj);
else
printf("Invalid input");
return 0;
}
|
40
|
19554
|
//??????????????a?b?c?d????????2?,??????
//S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos2?);
//??s = (a+b+c+d)/2;
//?????????????????????????????????????????
//?????
//??????????????????????????
//???????0?360????????????????????????
//????4????
//???????????????????Invalid input????
//??
//cos()??????????, PI = 3.1415926?????double???
main()
{
double a,b,c,d,alfa1,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alfa1);
double alfa2=(alfa1/2)*(PI)/180;
s=(a+b+c+d)/2;
double delta= (s-a)*(s-b)*(s-c)*(s-d);
if(delta<0||a<0||b<0||c<0||d<0||alfa1<=0||alfa1>=360)printf("Invalid input\n");
else
{
double S=delta-a*b*c*d*cos(alfa2)*cos(alfa2);
if (S<=0)printf("Invalid input\n");
else printf("%.4lf",sqrt(S));
}
}
|
40
|
19555
|
double Area(double a, double b, double c, double d, double alpha);
int main()
{
double a, b, c, d, alpha0, area;
scanf("%lf %lf %lf %lf %lf", &a, &b, &c, &d, &alpha0);
area = Area(a, b, c, d, alpha0*(PI/360));
if (area==-1)
printf("Invalid input\n");
else
printf("%0.4lf\n", area);
return 0;
}
double Area(double a, double b, double c, double d, double alpha)
{
double s, sqarea, area;
s = 0.5*(a+b+c+d);
sqarea = (s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(alpha),2);
if (sqarea>=0)
area = sqrt(sqarea);
else
return -1;
return area;
}
|
40
|
19556
|
double Area(double a,double b,double c,double d,double s,double y);
int main()
{
double a,b,c,d,x,y,s,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&x);
s=(a+b+c+d)/2;
y=PI*(x/2)/180;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(y)*cos(y))<0){
printf("Invalid input\n");
}else{
S=Area(a,b,c,d,s,y);
printf("%.4lf\n",S);
}
return 0;
}
double Area(double a,double b,double c,double d,double s,double y){
double S;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(y)*cos(y));
return S;
}
|
40
|
19557
|
int main()
{
double a,b,c,d,e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
double n=(a+b+c+d)/2;
double p=cos((e*3.1415926)/360);
double m=(n-a)*(n-b)*(n-c)*(n-d);
if(m<0)
{
printf("Invalid input");
}
else
{
double S=sqrt(m-(a*b*c*d*p*p));
printf("%.4lf",S);
}
return 0;
}
|
40
|
19558
|
main()
{
double a,b,c,d,angle,pi,alpha;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle);
pi=3.1415926;
alpha=angle*pi/360;
if(angle==0||angle==180)
printf("Invalid input");
else
{
double area,s;
s=(a+b+c+d)/2;
area=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(alpha)*cos(alpha));
printf("%.4lf",area);
}
getchar();
getchar();
}
|
40
|
19559
|
double S(double a,double b,double c,double d,double e);
int main(){
double bian[4],jiao,banjiao;
double z;
int i;
for(i=0;i<4;i++){
scanf("%lf",&bian[i]);
}
scanf("%lf",&jiao);
banjiao=jiao/360.0*PI;
z=S(bian[1],bian[2],bian[3],bian[0],banjiao);
if(z>0){
printf("%.4lf",z);
}else{
printf("Invalid input");
}
return 0;
}
double S(double a,double b,double c,double d,double e){
double jieguo,s,zhi;
s=(a+b+c+d)/2.0;
zhi=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(e),2);
jieguo=sqrt(zhi);
return(jieguo);
}
|
40
|
19560
|
void main()
{
double a=0,b=0,c=0,d=0,s=0,S_1=0,S_2=0,alpha_2=0;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alpha_2);
s=(a+b+c+d)/2;
S_2=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(alpha_2/360*PI)*cos(alpha_2/360*PI);
if(S_2<0)
{printf("Invalid input\n");}
else
{
S_1=sqrt(S_2);
printf("%.4f",S_1);
}
}
|
40
|
19561
|
main()
{
double a,b,c,d,s,e,n,m;
scanf("%lf%lf%lf%lf%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(e/360*3.141592653)*cos(e/360*3.141592653);
if(m<0)printf("Invalid input\n");
else if(m>=0)
printf("%.4lf",sqrt(m));
}
|
40
|
19562
|
double a[4],S,j,k=0;
int i;
const double Pi=3.1415926;
int main(void)
{
for (i=0;i<4;i++)
{
scanf("%lf",&a[i]);
k=k+a[i]/2;
printf("\n");
}
scanf("%lf",&j);
S=((k-a[0])*(k-a[1])*(k-a[2])*(k-a[3]) - a[0]*a[1]*a[2]*a[3]*cos(j/360*Pi)*cos(j/360*Pi));
if (S>=0)
printf("%.4f",sqrt(S));
else
printf("Invalid input");
return 0;
}
|
40
|
19563
|
int main(int argc, char* argv[])
{
float a,b,c,d;
float alf;
double halfa;
float s;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&alf);
s=(a+b+c+d)/2;
halfa=p*alf/360;
double S;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(halfa),2)>=0){
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(halfa),2));
printf("%.4f",S);
}
else
printf("Invalid input");
return 0;
}
|
40
|
19564
|
double area(double a,double b,double c,double d,double e);
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=e/180*PI/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f))*cos(f)<0){
printf("Invalid input");}
else{
S=area(a,b,c,d,e);
printf("%.4lf",S);
}
return 0;
}
double area(double a,double b,double c,double d,double e){
double f,s,S;
s=(a+b+c+d)/2;
f=e/180*PI/2;
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f));
return S;
}
|
40
|
19565
|
double ji(double a,double b,double c,double d,double jiao);
int main()
{
double x,y,z,k,du,guo;
scanf("%lf%lf%lf%lf%lf",&x,&y,&z,&k,&du);
if((guo=ji(x,y,z,k,du))!=0)
printf("%.4lf",guo);
return 0;
}
double ji(double a,double b,double c,double d,double jiao)
{
double s=0,S;
S=(a+b+c+d)/2.0;
jiao=jiao/360.0*PI;
if(sqrt((S-a)*(S-b)*(S-c)*(S-d) - a*b*c*d*cos(jiao)*cos(jiao))>=0)
s= sqrt((S-a)*(S-b)*(S-c)*(S-d) - a*b*c*d*cos(jiao)*cos(jiao));
else
{
printf("Invalid input");
return 0;
}
return s;
}
|
40
|
19566
|
double f(double a,double b,double c,double d,double A)
{double s,S,M;
s=(a+b+c+d)/2;
M=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(A*3.1415926/360)*cos(A*3.1415926/360);
if(M<0) S=-1;
else S=sqrt(M);
return(S);
}
void main()
{
double f(double a,double b,double c,double d,double A);
double a,b,c,d,A,x;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&A);
x=f(a,b,c,d,A);
if(x<0) printf("Invalid input");
else printf("%.4lf",x);
}
|
40
|
19567
|
int main()
{
double a,b,c,d,r,w,s,S;
a=b=c=d=r=0;
r>0&&r<360;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&r);
s=(a+b+c+d)/2;
w=3.1415926*r/360;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(w)*cos(w));
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(w)*cos(w))<0)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
|
40
|
19568
|
double area(double a,double b,double c,double d,double e);
int main()
{
double a,b,c,d,e;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
area(a,b,c,d,e);
return 0;
}
double area(double a,double b,double c,double d,double e){
double y,s;
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*90/PI))<0){
printf("Invalid input");
}
else{
y=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/360)*cos(e*PI/360));
printf("%.4lf\n",y);;
}
return 0;
}
|
40
|
19569
|
double f(double a,double b,double c,double d,double pr)
{
double s,area,r,PI;
PI=3.1415926;
r=pr*PI/180;
s=(a+b+c+d)/2;
area=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(r/2)*cos(r/2));
return(area);
}
void main()
{
double a,b,c,d,pr,s,PI=3.1415926,r;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&pr);
s=(a+b+c+d)/2;
r=pr*PI/180;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(r/2)*cos(r/2)<0)
printf("Invalid input");
else
printf("%.4lf",f(a,b,c,d,pr));
}
|
40
|
19570
|
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=e*PI/360;
if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(2*f))<0)
printf("Invalid input");
else
{
S =sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f));
printf("%.4lf",S);
}
return 0;
}
|
40
|
19571
|
double mjs(double a,double b,double c,double d,double r)
{
double s;
s=(a+b+c+d)/2;
return (s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(3.1415926*r/360),2);
}
double mjS(double a,double b,double c,double d,double r)
{
double s;
s=(a+b+c+d)/2;
return sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(3.1415926*r/360),2));
}
int main ()
{
double a,b,c,d,r;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&r);
if(mjs(a,b,c,d,r)<0)
printf("Invalid input\n");
else printf("%.4lf\n",mjS(a,b,c,d,r));
return 0;
}
|
40
|
19572
|
int main()
{
double PI,a,b,c,d,s,S,p,o;
PI=3.1415926;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&p);
s=(a+b+c+d)/2;
o=p/360*2*PI/2;
double x=(s-a)*(s-b)*(s-c)*(s-d);
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(o)*cos(o));
if(x<0)
{printf("Invalid input");
}
else
{printf("%.4lf",S);}
return 0;
}
|
40
|
19573
|
int main()
{
double a,b,c,d,e,s,t,pi,ang;
scanf("%lf\n",&a);
scanf("%lf\n",&b);
scanf("%lf\n",&c);
scanf("%lf\n",&d);
scanf("%lf",&ang);
pi=3.1415926;
s=(a+b+c+d)/2;
e=ang*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
printf("%.4lf\n",sqrt(t));
}
|
40
|
19574
|
void 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;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(3.1415926*e/360)*cos(3.1415926*e/360));
S>0?printf("%.4lf",S):printf("Invalid input");
}
|
40
|
19575
|
int main()
{
double a[4];
double angle;
double s=0.0;
double S=0;
int i;
for(i=0;i<4;i++)
{
scanf("%lf",&a[i]);
s+=a[i];
}
s/=2;
scanf("%lf",&angle);
angle=angle/360*PI;
S=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*cos(angle)*cos(angle);
if(S<0)
{
printf("Invalid input");
return 0;
}
S=sqrt(S);
printf("%.4lf",S);
return 0;
}
|
40
|
19576
|
double area(double a1, double b1 ,double c1, double d1, double e1);
int main()
{
double a,b,c,d,e;
double S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
S=area(a,b,c,d,e);
if(S==-1)
{
printf("Invalid input");
}
else
{
printf("%.4lf",S);
}
return 0;
}
double area(double a1, double b1,double c1, double d1, double e1)
{
double s,y,S;
s = (a1+b1+c1+d1)/2;
y=(double)(s-a1)*(s-b1)*(s-c1)*(s-d1) - a1*b1*c1*d1*cos(e1/360.0*PI)*cos(e1/360.0*PI);
if(y<0)
{
S=-1;
}
else
{
S=(double)sqrt((s-a1)*(s-b1)*(s-c1)*(s-d1) - a1*b1*c1*d1*cos(e1/360.0*PI)*cos(e1/360.0*PI));
}
return S;
}
|
40
|
19577
|
main()
{
double a,b,c,d;
scanf("%lf %lf %lf %lf",&a,&b,&c,&d);
double s=(a+b+c+d)/2;
double m;
scanf("%lf",&m);
double co=(m/180)*PI;
double p;
double q;
q= (s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(co/2)*cos(co/2);
if(q<0)
printf("Invalid input");
else
{p=sqrt(q);
printf("%.4lf",p);}
}
|
40
|
19578
|
int main()
{
float a,b,c,d,e,s,r;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s=(a+b+c+d)/2;
r=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e/180*p/2)*cos(e/180*p/2);
if(r<0)
{
printf("Invalid input");
}
if(r>=0)
{
printf("%.4f",sqrt(r));
}
return 0;
}
|
40
|
19579
|
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/360),2)){
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(e*PI/360),2));
printf("%.4lf",S);
}
else
{
printf("Invalid input");
}
return 0;
}
|
40
|
19580
|
void main()
{
float a,b,c,d,s,m;
double e,f,g,h,i,j,k;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&m);
s=(a+b+c+d)/2;
e=(s-a)*(s-b)*(s-c)*(s-d);
k=m*3.1415926/180;
f=cos(k);
g=(f+1)/2;
h=a*b*c*d*g;
i=e-h;
if(i<0)
printf("Invalid input\n");
else
{
j=sqrt(i);
printf("%.4f\n",j);
}
}
|
40
|
19581
|
double i,h,a,b,c,d,e;
double f(double a,double b,double c,double d,double h)
{
double g;
g=sqrt((i-a)*(i-b)*(i-c)*(i-d)-a*b*c*d*cos(h)*cos(h));
return(g);
}
void main()
{
double s;
scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e);
i=(a+b+c+d)/2;
h=e/2/180*3.1415926;
if((i-a)*(i-b)*(i-c)*(i-d)<a*b*c*d*cos(h)*cos(h))printf("Invalid input");
else
{
s=f(a,b,c,d,h);
printf("%.4lf",s);
}
}
|
40
|
19582
|
main()
{
double a,b,c,d,e,f,g,h,i,l;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&g);
0<g<360;
l=PI*g/180/2;
e=(a+b+c+d)/2;
h=pow(cos(l),2);
i=(e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*h;
if( i<0)
printf("Invalid input\n");
else
{f=sqrt((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*h);
printf("%.4lf\n",f);}
return 0;
}
|
40
|
19583
|
int main()
{
double a,b,c,d,x,y,z;
double s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x);
#define PI 3.1415926
y=(double)cos(PI*x/360);
z=(double)(a+b+c+d)/2;
if((z-a)*(z-b)*(z-c)*(z-d)-a*b*c*d*y>=0)
{
s=(double)sqrt((z-a)*(z-b)*(z-c)*(z-d)-a*b*c*d*y*y);
printf("%.4lf",s);
}
else
{
printf("Invalid input");
}
return 0;
}
|
40
|
19584
|
void main()
{
int i,n;double *p;
p=(double *)calloc(1,5*sizeof(double));
scanf("%lf %lf %lf %lf %lf",p,p+1,p+2,p+3,p+4);
double x,s=0;
for(i=0;i<4;i++)
{s+=*(p+i);}
s=s/2;
x=(s-*p)*(s-*(p+1))*(s-*(p+2))*(s-*(p+3))-*p**(p+1)**(p+2)**(p+3)*cos(*(p+4)/360*3.1415926)*cos(*(p+4)/360*3.1415926);
if(x<0) printf("Invalid input");
else{x=sqrt((s-*p)*(s-*(p+1))*(s-*(p+2))*(s-*(p+3))-*p**(p+1)**(p+2)**(p+3)*cos(*(p+4)/360*3.1415926)*cos(*(p+4)/360*3.1415926));
printf("%.4lf",x);}
}
|
40
|
19585
|
int main()
{
double a ,b,c,d,n,m,q,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&n);
m=n/2;
s=(a+b+c+d)/2;
q=3.1415926*m/180;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q)<0){
printf("Invalid input");
}else if ((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q)>0){
s=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(q)*cos(q));
printf("%.4lf",s);
}
return 0;
}
|
40
|
19586
|
int main()
{ double a=0,b=0,c=0,d=0,t=0,s=0,h=0,S=0,pi=3.1415926;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&t);
t=t/2;
h=t*pi/180;
s = (a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(h)*cos(h)>=0)
{S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(h)*cos(h));
printf("%.4lf",S);}
else if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(h)*cos(h)<0)
printf("Invalid input");
return(0);
}
|
40
|
19587
|
double a,b,c,d,s,S,f,PI=3.1415926;
void abc()
{
s=(a+b+c+d)/2;
if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f/360*PI)*cos(f/360*PI))>0)
{
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f/360*PI)*cos(f/360*PI));
printf("%.4lf",S);
}
else
{
printf("Invalid input");
}
}
void main()
{
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&f);
abc();
}
|
40
|
19588
|
int main()
{
float a,b,c,d,e,s,S;
scanf("%f%f%f%f%f",&a,&b,&c,&d,&e);
s=1.0/2*(a+b+c+d);
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 {
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(e*3.1415926/360)*cos(e*3.1415926/360));
printf("%.4lf",S);}
return 0;
}
|
40
|
19589
|
double area(double a,double b,double c,double d,double p)
{
double s=(a+b+c+d)/2;
double PI=3.1415926;
double S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p*PI/360)*cos(p*PI/360));
return S;
}
main()
{
double a,b,c,d,p,S;
double PI=3.1415926;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&p);
double s=(a+b+c+d)/2;
double m=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p*PI/360)*cos(p*PI/360);
if(m<0)
{
printf("Invalid input");
}
else
{
S=area(a,b,c,d,p);
printf("%.4lf",S);
}
}
|
40
|
19590
|
int main()
{
double a,b,c,d,r,s,S;
double result(double,double,double,double,double);
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&r);
S=result(a,b,c,d,r);
if(S!=0)
printf("%.4lf",S);
return 0;
}
double result(double a,double b,double c,double d,double r)
{
double s,S;
s=(a+b+c+d)/2;
if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*r/360)*cos(PI*r/360)>=0)
S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(PI*r/360)*cos(PI*r/360));
else
{
printf("Invalid input");
S=0;
}
return S;
}
|
40
|
19591
|
double s,s2;
double size(double x);
int main()
{
double a,b,c,d,jd;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&jd);
s=(a+b+c+d)/2;
s2=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(jd/180*PI/2)*cos(jd/2/180*PI);
if(s2>=0)
printf("%.4lf",size(s2));
else
printf("Invalid input");
return 0;
}
double size(double x){
return sqrt(s2);
}
|
40
|
19592
|
main()
{
double a=0, b=0, c=0, d=0;
double angle=0;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&angle);
double 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\n");
}
else
{
printf("%.4lf\n",sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(angle/360*pi)*cos(angle/360*pi)));
}
return 0;
}
|
40
|
19593
|
void main()
{
double a,b,c,d,x,s,S;
scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x);
s = 0.5*(a+b+c+d);
x = x/2/360*2*pai;
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("Invalid input");
}
else
{
printf("%.4lf",S);
}
}
|
40
|
19594
|
int main()
{
double a,b,c,d,e,f,s,p;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&e);
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");
if(p>=0)
printf("%.4lf",sqrt(p));
return 0;
}
|
40
|
19595
|
int main()
{
double a,b,c,d,e,s,S;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
s=0;
S=0;
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)
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(PI*e/360)*cos(PI*e/360)));
printf("%.4lf\n",S);
}
else
printf("Invalid input\n");
return 0;
}
|
40
|
19596
|
main()
{
float a,b,c,d,s,S,k;
scanf ("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&k);
s= (a+b+c+d)/2;
S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*3.1415926/360)*cos(k*3.1415926/360));
if ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*3.1415926/720)*cos(k*3.1415926/720)>=0)
printf ("%.4f",S);
else
printf ("Invalid input");
}
|
40
|
19597
|
int main()
{
double a;
double b;
double c;
double d;
double e;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e);
double y;
if (((b+c+d-a)/2*(a+c+d-b)/2*(a+b+d-c)/2*(a+b+c-d)/2-a*b*c*d*cos(e*pi/360)*cos(e*pi/360))<0)
printf("Invalid input");
else {
y=sqrt((b+c+d-a)/2*(a+c+d-b)/2*(a+b+d-c)/2*(a+b+c-d)/2-a*b*c*d*cos(e*pi/360)*cos(e*pi/360));
printf("%.4f",y);
}
return 0;
}
|
40
|
19598
|
int main()
{
double a,b,c,d,A,s,S;
scanf("%lf",&a);
scanf("%lf",&b);
scanf("%lf",&c);
scanf("%lf",&d);
scanf("%lf",&A);
s = (a+b+c+d)/2;
if((s-a)<0||(s-b)<0||(s-c)<0||(s-d)<0)
printf("Invalid input",s);
else
{
S = sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(A*3.1415926/360)*cos(A*3.1415926/360));
printf("%.4lf\n",S);
}
return 0;
}
|
40
|
19599
|
int main(int argc, char *argv[])
{
double a,b,c,d,alpha,area,s;
scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alpha);
s=(a+b+c+d)/2;
if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(alpha/2)*cos(alpha/2))>0)
{
area=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(alpha/360*pi)*cos(alpha/360*pi));
printf("%.4lf",area);
}
else printf("Invalid input");
return 0;
}
|
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