label stringlengths 1 2 | index stringlengths 1 5 | code stringlengths 87 8.24k |
|---|---|---|
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 || ... |
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)... |
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");
}... |
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... |
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))<... |
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... |
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);
}
r... |
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 ... |
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;
sc... |
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... |
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 ... |
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"... |
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;
... |
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);
... |
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(... |
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);
... |
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... |
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("Inval... |
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... |
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(... |
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... |
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,... |
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,doubl... |
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;
... |
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(... |
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... |
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... |
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) pri... |
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... |
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... |
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 mianj... |
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);pri... |
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,... |
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,... |
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("%... |
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,... |
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)*... |
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))... |
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"... |
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
{
prin... |
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("I... |
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... |
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 pri... |
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/... |
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 ... |
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(d... |
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... |
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)... |
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"... |
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... |
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 ... |
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;
}
d... |
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;
... |
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%... |
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... |
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){
... |
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=... |
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/36... |
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;
... |
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, do... |
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
... |
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... |
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("... |
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("Inv... |
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... |
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)... |
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,... |
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);}... |
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,... |
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... |
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... |
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)
{
... |
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("Inv... |
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(... |
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));
... |
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);
... |
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