id
int32
0
32.5k
code
stringlengths
95
8.4k
label
stringclasses
65 values
19,500
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);} }
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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; }
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int main() {double a,b,c,d,e,sum,k; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e); e/=360; e*=3.1415926;sum=(a+b+c+d)/2; sum=((sum-a)*(sum-b)*(sum-c)*(sum-d)-a*b*c*d*cos(e)*cos(e)); if(sum<0)printf("Invalid input"); else{sum=(a+b+c+d)/2; sum=((sum-a)*(sum-b)*(sum-c)*(sum-d)-a*b*c*d*cos(e)*cos(e)); sum=sqrt(sum); printf("%.4f\n",sum);}return 0; }
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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; }
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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);} }
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int main() { double s,S,a,b,c,d,e,f,g; scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e); s=(a+b+c+d)/2.0; f=PI*e/360.0; g=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f); if(g>0||g==0){ S=sqrt(g); printf("%.4lf",S); } if(g<0) printf("Invalid input"); return 0; }
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int main() { double a,b,c,d,s,S,k,t; scanf("%lf\n%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d,&k); s = (a+b+c+d)/2; t=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*PI/2/180)*cos(k*PI/2/180); S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(k*PI/2/180)*cos(k*PI/2/180)); if(t>0) { printf("%.4lf",S); } else if(t<0) { printf("Invalid input"); } return 0; }
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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; }
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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; }
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19,509
double area(double a,double b,double c,double d,double arpha) { double s,S,temp; s=(a+b+c+d)/2; arpha*=0.5*PI/180; temp=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(arpha)*cos(arpha); if (temp<0) return -1; else { S=sqrt(temp); return S; } } main() { double a,b,c,d,arpha,S,temp; scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&arpha); temp=area(a,b,c,d,arpha); if (temp<0) printf("Invalid input"); else { printf("%.4f",temp); } }
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void s(float a,float b,float c,float d,float e) { float f,g,h; f=(a+b+c+d)/2; g=(e/360)*3.1415926; if(((f-a)*(f-b)*(f-c)*(f-d)-a*b*c*d*cos(g)*cos(g))>0) { h=sqrt((f-a)*(f-b)*(f-c)*(f-d)-a*b*c*d*cos(g)*cos(g)); printf("%.4f\n",h); } if(((f-a)*(f-b)*(f-c)*(f-d)-a*b*c*d*cos(g)*cos(g))<=0) { printf("Invalid input\n"); } } void main() { float S,a,b,c,d,e; scanf("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&e); s(a,b,c,d,e); }
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main() { double a,b,c,d; double e; double i; scanf("%lf\n%lf\n%lf\n%lf\n",&a,&b,&c,&d); scanf("%lf",&e); i=(double)(e/2); double f,g; f=(double)((a+b+c+d)/2); double p; p=(double)((i/180)*PI); g=(double)((f-a)*(f-b)*(f-c)*(f-d)-a*b*c*d*cos(p)*cos(p)); if(g<0) printf("Invalid input"); else { double s; s=sqrt(g); printf("%.4lf",s); } getchar(); getchar(); }
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int main() { double a,b,c,d,x,s,n; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x); s=(a+b+c+d)/2; n=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x*PI/360)*cos(x*PI/360); if(n<0){ printf("Invalid input"); } else{ printf("%.4lf",sqrt(n)); } }
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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; }
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int main() { float a,b,c,d,angle,fanhuizhi; float function(float a,float b,float c, float d, float angle); scanf("%f%f%f%f%f",&a,&b,&c,&d,&angle); fanhuizhi=function(a,b,c,d,angle); if(fanhuizhi==-1){printf("Invalid input");} else{ printf("%.4f",fanhuizhi); } return 0; } float function(float a,float b,float c, float d, float angle) { float s,genhao; double fanhuizhi,ANGLE; ANGLE=angle/360*3.1415926; s=(a+b+c+d)/2; genhao=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ANGLE)*cos(ANGLE); if(genhao<0){fanhuizhi=-1;} else{ fanhuizhi=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(ANGLE)*cos(ANGLE)); } return fanhuizhi; }
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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); }
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const double PI=3.1415926; int main() { int i; double a[6]; for(i=0;i<5;i++) { scanf("%lf",&a[i]); } double area; double s; double temp; double angle=a[4]/180*PI; s=(a[0]+a[1]+a[2]+a[3])/2; temp=(s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*cos(angle/2)*cos(angle/2); if(temp<0)printf("Invalid input"); else printf("%.4f",sqrt(temp)); return 0; }
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19,517
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; }
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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; }
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19,519
int main() { double y=0,a,b,c,d,s=0,x=0,e,v=0; scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&e); s = (a+b+c+d)/2; v=e/360*3.1415926; x = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(v)*cos(v); if(x<0) { printf("Invalid input"); } else{ printf("%.4lf",sqrt(x)); } return 0; }
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19,520
double f(double A); void main() { double a,b,c,d,s,A,S; scanf("%lf""%lf""%lf""%lf""%lf",&a,&b,&c,&d,&A); s=(a+b+c+d)/2; S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f(A/2)*f(A/2); if(S<0) printf("Invalid input"); else printf("%.4lf",sqrt(S)); } double f(double A) { double z,PI; PI = 3.1415926; z=(double)cos(A/180*PI); return(z); }
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19,521
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; }
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19,522
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; }
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19,523
double mianji(double a,double b,double c,double d,double e){ double s,m,n,p; s=1/2.0*(a+b+c+d); p=e/180*pai; m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(p/2.0),2); if(m<0) printf("Invalid input\n"); else{ n=sqrt(m); return n; } } int main(){ double a,b,c,d,e; scanf("%lf",&a); scanf("%lf",&b); scanf("%lf",&c); scanf("%lf",&d); scanf("%lf",&e); double n; n=mianji(a,b,c,d,e); printf("%.4lf",n); return 0; }
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19,524
int main (int argc,char*argv[]) { double a,b,c,d,e,s,pi, f,t,N; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e); s=(a+b+c+d)/2; pi=3.1415926; f=e*pi/360; N=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f)*cos(f); t = sqrt(N); if(N<0) printf("Invalid input\n"); else printf("%.4lf",t); return 0; }
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19,525
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)); } }
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19,526
int main() { double a,b,c,d,s,t,x,S; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x); s=(a+b+c+d)/2.0; t=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x/2*2*PI/360)*cos(x/2*2*PI/360); if(t>=0){ S=sqrt(t); printf("%.4lf",S); } if(t<0){ printf("Invalid input"); } return 0; }
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19,527
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; }
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19,528
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; }
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19,529
void main() { double a[4],p,s=0,q,m; int i; for(i=0;i<4;i++) { scanf("%lf",&a[i]); s+=a[i]; } s=s/2; scanf("%lf",&p); p=p*Pi/360; q=((s-a[0])*(s-a[2])*(s-a[3])*(s-a[1])-a[0]*a[1]*a[3]*a[2]*cos(p)*cos(p)); if(q<0) { printf("Invalid input"); return; } else m=sqrt(q); printf("%.4lf",m); }
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19,530
double sq(double a,double b,double c,double d,double ang); int main() { double a,b,c,d,ang,s; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&ang); s=sq(a,b,c,d,ang); if(s!=0) printf("%.4lf",s); return 0; } double sq(double a,double b,double c,double d,double ang){ double l=(a+b+c+d)/2; double rad=PI*ang/360; double m=cos(rad); double n=(l-a)*(l-b)*(l-c)*(l-d)-a*b*c*d*m*m; if(n<0){ printf("Invalid input"); return 0; } double t=sqrt(n); return t; }
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19,531
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; }
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19,532
main() { double a,b,c,d,w,s; scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&w); w=PI*w/180/2; s=0.5*(a+b+c+d); s=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(w)*cos(w); if(s<0) printf("Invalid input"); else printf("%.4lf",sqrt(s)); getchar(); getchar(); getchar(); }
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double cos2(float alpha){ return cos(alpha/360*PI)*cos(alpha/360*PI); } int main(){ double a,b,c,d,alpha,s,sum; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alpha); s = (a+b+c+d)/2; sum=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos2(alpha); if(sum<0) printf("Invalid input\n"); else printf("%.4lf\n",sqrt(sum)); }
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void main() { float a,b,c,d,e,ans; float sum,multi,anmul; float sq(float p,float q); float angle,angle2; scanf("%f",&a); scanf("%f",&b); scanf("%f",&c); scanf("%f",&d); scanf("%f",&angle2); sum=(a+b+c+d)/2; angle=angle2/2; multi=(sum-a)*(sum-b)*(sum-c)*(sum-d); e=cos(angle*3.1415926/180)*cos(angle*3.1415926/180); anmul=a*b*c*d*e; ans=sq(multi,anmul); if((multi-anmul)<0) printf("Invalid input"); else printf("%.4f",ans); } float sq(float p,float q) { float z; z=sqrt((p-q)); return z; }
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19,535
int main(int argc, char *argv[]) { double mianji(double a,double b,double c,double d,double j); double x,y,z,t,w,s; scanf("%lf%lf%lf%lf%lf",&x,&y,&z,&t,&w); s=mianji(x,y,z,t,w); if(s!=-1) printf("%.4lf\n",s); else printf("Invalid input\n") ; return 0; } double mianji(double a,double b,double c,double d,double j) {double S,s,s2; double hudu; hudu=j/360*3.1415926; S=(a+b+c+d)/2; s2=(S-a)*(S-b)*(S-c)*(S-d)-a*b*c*d*cos(hudu)*cos(hudu); if(s2<0) s=-1; else s=sqrt(s2); return (s); }
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19,536
int main() { double s,a,b,c,d,e,f,g,h; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e); s=0.5*(a+b+c+d); h=e/360*3.1415926; f=cos(h); if ((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f*f<0) printf("Invalid input\n"); else {g=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*f*f); printf("%.4lf",g);} return 0; }
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19,537
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; }
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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; }
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19,539
int main() { double a,b,c,d,h,S,s,sum; scanf("%lf\n%lf\n%lf\n%lf\n%lf",&a,&b,&c,&d,&h); s=(a+b+c+d)/2; sum=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*pow(cos(h*PI/360),2); S=sqrt(sum); if (h>360||h<=0) { printf("Error!"); } else { if (sum<0) { printf("%s\n","Invalid input"); } else printf("%.4lf\n",S); } return 0; }
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int main() { double a,b,c,d,s,x,y,S; scanf("%lf",&a); scanf("%lf",&b); scanf("%lf",&c); scanf("%lf",&d); scanf("%lf",&x); s=1.0/2.0*(a+b+c+d); y = x/360*3.1415926; S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(y)*cos(y))); if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(y)*cos(y))<0) printf("Invalid input"); else printf("%.4lf",S); return 0; }
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int main() { double mianji(double X); double a,b,c,d,alpha,s,S; scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&alpha); alpha=alpha*PI/360; s=(a+b+c+d)/2; S=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alpha)*cos(alpha); if(S<0){ printf("Invalid input"); } else{ printf("%.4lf",mianji(S)); } return 0; } double mianji(double X){ double S2; S2=sqrt(X); return (S2); }
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double mj(float a,float b,float c,float d,float z) { double y,s; s=(a+b+c+d)/2; y=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(z)*cos(z)); return(y); } double main() { double a,b,c,d,x,z,PI=3.1415926,S,s,m; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x); s=(a+b+c+d)/2; z=((x/2)*PI)/180; m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(z)*cos(z); if(m<0) printf("Invalid input"); else { S=mj(a,b,c,d,z); printf("%.4lf",S); } }
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void main() { double a,b,c,d,x,s; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x); x=3.1415926*x/360; 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("%.4f",sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)) ); }
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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; }
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int main () { double a,b,c,d,q; double y(double a,double b,double c,double d,double q); scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&q); if(y(a,b,c,d,q)==-1) printf("Invalid input\n"); else printf("%.4lf\n",y(a,b,c,d,q)); return 0; } double y(double a,double b,double c,double d,double q) { double s,f,test; s=(a+b+c+d)/2; f=(q/360)*PI; test=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(f)*cos(f); if (test<0) return -1; else return (sqrt(test)); }
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int main () { float a,b,c,d,k,s,x; int e; scanf("%f",&a); scanf("%f",&b); scanf("%f",&c); scanf("%f",&d); scanf("%d",&e); k=(float)e*pi/180; k=k/2; s=a+b+c+d; s=s/2; x=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k)*cos(k); if (x<0) printf("Invalid input\n"); else printf("%.4f\n",sqrt(x)); return 0; }
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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);}; }
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double f(double a,double b,double c,double d,double angle){ double s,S; s = 0.5*(a+b+c+d); S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle/360*P)*cos(angle/360*P)); return S;} int main() { double a,b,c,d,angle,s,m; scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&angle); s = 0.5*(a+b+c+d); m=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle/360*P)*cos(angle/360*P); if(m<0) printf("Invalid input"); else printf("%.4lf",f(a,b,c,d,angle)); return 0; }
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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; }
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int main() { double a,b,c,d,S,s,p; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&p); s=(a+b+c+d)/2; S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(p*3.1415926/180/2)*cos(p*3.1415926/180/2)); if(((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(p*3.1415926/180/2)*cos(p*3.1415926/180/2))<0) printf("Invalid input"); else printf("%.4lf",S); return 0; }
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int main() { double a,b,c,d,s=0.00,n=0.00,m=0.00,j=0.00,k=0.00; scanf("%lf\n",&a); scanf("%lf\n",&b); scanf("%lf\n",&c); scanf("%lf\n",&d); scanf("%lf",&m); s=(a+b+c+d)/2; k=cos(m*3.1415926/360)*cos(m*3.1415926/360); n=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*k; if(n<0) printf("Invalid input"); else {j=sqrt(n); printf("%.4f",j);} return 0; }
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float getSqrt(float S); int main(int argc, char* argv[]) { double a,b,c,d,e,s,S,f; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e); f=360; s=(a+b+c+d)/2; S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/f)*cos(e*PI/f)); if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*PI/f)*cos(e*PI/f))>0) printf("%.4lf\n",S); else printf("Invalid input\n"); return 0; }
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double square(double a,double b,double c,double d,double angel) { double ans,s; s=(a+b+c+d)/2; ans=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angel)*cos(angel)); return(ans); } void main() { double square(double,double,double,double,double); double a,b,c,d,angel,ans,s; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angel); s=(a+b+c+d)/2; angel=angel*PI/360; if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angel)*cos(angel)<0) printf("Invalid input"); else { ans=square(a,b,c,d,angel); printf("%.4f",ans); } }
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int main () { double a,b,c,d,m,S; double s,n; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m); s = (a+b+c+d)/2; n=m*PI/360; S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(n))*(cos(n))); if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(n))*(cos(n))>=0){ printf("%.4f",S); } if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*(cos(n))*(cos(n))<0){ printf("Invalid input"); } return 0; }
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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); }
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int main() { double PI=3.1415926; double a, b, c, d, s, x, y, S; scanf("%lf\n%lf\n%lf\n%lf\n", &a, &b, &c, &d); s=(a+b+c+d)/2; scanf("%lf", &x); y=x*PI/360; if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y)<0) { printf("Invalid input"); } else { S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y)); printf("%.4lf", S); } return 0; }
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double area(double a,double b,double c,double d,double angle){ double s,k,S; s=(a+b+c+d)/2; k=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle); if(k>=0){ S=sqrt(k); }else{ S=-1; } return S; } int main(int argc, char* argv[]) { double a,b,c,d,angle,s; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&angle); angle=angle/360*PI; s=area(a,b,c,d,angle); if(s==-1){ printf("Invalid input\n"); }else{ printf("%.4lf\n",s); } return 0; }
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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; } }
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int main(){ double a,b,c,d,s,x,Y; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x); s=1.0/2*(a+b+c+d); x/=2; Y=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(x*3.1415926/180)*cos(x*3.1415926/180)); if((s-a)*(s-b)*(s-c)*(s-d) < a*b*c*d*cos(x*3.1415926/180)*cos(x*3.1415926/180)){ printf("Invalid input"); }else{ printf("%.4lf",Y); } return 0; }
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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; }
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double f(double a,double b,double c,double d,double e) { double z,s,j; s=0.5*(a+b+c+d); j=e*PI/360; z=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(j)*cos(j); if(z>0)printf("%.4lf",sqrt(z)); else printf("Invalid input"); return z; } void main() { double a,b,c,d,e,s,z; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e); f(a,b,c,d,e); }
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int main() { double S(double a,double b,double c,double d,double e); double a1,b1,c1,d1,e1,e2; scanf("%lf%lf%lf%lf%lf",&a1,&b1,&c1,&d1,&e1); e2=e1/360*PI; if(S(a1,b1,c1,d1,e2)==0){ printf("Invalid input\n"); } else{ printf("%.4lf\n",S(a1,b1,c1,d1,e2)); } return 0; } double S(double a,double b,double c,double d,double e) { double delta,s,S; s=(a+b+c+d)/2; delta=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e); if(delta<0){ S=0; } else{ S=sqrt(delta); } return S; }
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int main() { double a,b,c,d,x,m,S,s; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x); m=PI/180*x/2; s = 1*(a+b+c+d)/2; S = (sqrt) ((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(m)*cos(m)); if ( (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(m)*cos(m) >=0 ) printf("%.4f\n",S); else printf("Invalid input\n",S); return 0; }
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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; }
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int main() { double a,b,c,d,e,f,s,S,g; scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e); s=(a+b+c+d)/2; f=e/180*3.1415926; g=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(f/2)*cos(f/2); if(g<0) printf("Invalid input"); else { S=sqrt(g); printf("%.4lf",S); } return 0; }
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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; }
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main() { double a,b,c,d,e; cin>>a; cin>>b; cin>>c; cin>>d; cin>>e; e=(e/180*3.1415926)/2; double s,r; s=(a+b+c+d)/2; if((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e)<0) cout<<"Invalid input"; else{ r=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e)*cos(e)); printf("%.4lf", r); } return(0); }
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void main(int argc,char*argv[]) { double a,b,c,d,e,s,area,temp,angle; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e); angle=pi*(e/360); s=(a+b+c+d)/2; temp=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(angle)*cos(angle); if(temp<0) printf("Invalid input"); else { area=sqrt(temp); printf("%.4f\n",area); } }
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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; }
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double i(double a,double b,double c,double d,double n) { double s,S,pi,k; pi=3.1415926; s=(a+b+c+d)/2; k=n/180*pi; S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k/2)*cos(k/2); if(S<0) printf("Invalid input"); else printf("%.4lf",sqrt(S)); return 0; } int main() { double a,b,c,d,n; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&n); i(a,b,c,d,n); }
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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"); }
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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)); }
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double f(double a,double b,double c,double d,double e) { double i,k,s; k=e/360*3.1415926; s=(a+b+c+d)/2; i=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(k)*cos(k); return i; } void main() { // double f(double a,double b,double c,double d,double e); double S,a,b,c,d,e; //scanf("%lf\n,%lf\n,%lf\n,%lf\n,%lf\n",&a,&b,&c,&d,&e); scanf("%lf",&a); scanf("%lf",&b); scanf("%lf",&c); scanf("%lf",&d); scanf("%lf",&e); if(f(a,b,c,d,e)<0) printf("Invalid input"); else {S=sqrt(f(a,b,c,d,e)); printf("%.4lf",S); } }
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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; }
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float area(float a,float b,float c,float d,float s,float p); float a,b,c,d,m; float r,s,p=0,S,mj; int main() { scanf("%f\n%f\n%f\n%f\n%f",&a,&b,&c,&d,&m); mj=area(a, b, c, d, s, p); if (mj<0) printf("Invalid input\n"); else printf("%.4f\n",mj); return 0; } float area(float a,float b,float c,float d,float s,float p) { p=(m* PI)/(2*180); s = (a+b+c+d)/2; S = (s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p)*cos(p); if (S>=0) mj= sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(p)*cos(p)); else mj=-1; return mj; }
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int main(){ double a,b,c,d; double e,S,s,n; scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&e); s=(a+b+c+d)/2; n=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e/360*PI)*cos(e/360*PI); if(n>=0) printf("%.4lf",sqrt(n)); else printf("Invalid input"); return 0; }
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int main() { double a,b,c,d,aq,s,re; cin>>a>>b>>c>>d>>aq; if(a+b+c>d&&a+c+d>b&&a+b+d>c&&b+c+d>a) { s=(a+b+c+d)/2; re=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(aq*Pi/360)*cos(aq*Pi/360)); printf("%.4lf",re); } else cout<<"Invalid input"; }
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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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/* * sibianxingmianji.cpp * * Created on: 2010-11-17 * Author: Administrator */ double S(double a,double b,double c,double d,double e){ double s=(a+b+c+d)/2; double square=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*pow(cos(e*3.1415926/(2*180)),2.0); return square; } int main(){ double a,b,c,d,e; cin>>a>>b>>c>>d>>e; double y=S(a,b,c,d,e); if(y<0) cout<<"Invalid input"<<endl; else cout<<fixed<<setprecision(4)<<sqrt(y)<<endl; return 0; }
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int main(int argc, char* argv[]) { double a,b,c,d,e,s,S; scanf("%lf",&a); scanf("%lf",&b); scanf("%lf",&c); scanf("%lf",&d); scanf("%lf",&e); s=(a+b+c+d)/2; S=sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*pai/2/180)*cos(e*pai/2/180)); if(((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(e*pai/2/180)*cos(e*pai/2/180))<0)printf("Invalid input\n"); else printf("%.4lf\n",S); return 0; }
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int main() { const double PI=3.1415926; double a,b,c,d,alpha,s,sum,radalpha,S; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&alpha); a=(double)a; b=(double)b; c=(double)c; d=(double)d; alpha=(double)alpha; s=(a+b+c+d)/2; radalpha=alpha*PI/360.0; sum=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(radalpha)*cos(radalpha); if(sum<0) printf("Invalid input"); else { S=sqrt(sum); printf("%.4f",S); } return 0; }
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int main() { double area(double a,double b,double c,double d,double alpha); double a,b,c,d,alpha; scanf("%lf",&a); scanf("%lf",&b); scanf("%lf",&c); scanf("%lf",&d); scanf("%lf",&alpha); if ((alpha>0)&&(alpha<360)&&(area(a,b,c,d,alpha)>0)){ printf("%.4f",area(a,b,c,d,alpha)); } else printf("Invalid input"); return 0; } double area(double a,double b,double c,double d,double alpha) { double S,s; s=(a+b+c+d)/2; S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(alpha/360*PI)*cos(alpha/360*PI)); return(S); }
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19,583
int main(){ double a,b,c,d; double al; double s,s0; scanf("%lf",&a); scanf("%lf",&b); scanf("%lf",&c); scanf("%lf",&d); s= (a+b+c+d)/2; scanf("%lf",&al); al=al/2; al=3.1415926/180*al; if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(al)*cos(al))<0) { printf( "Invalid input"); } else { s0= sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(al)*cos(al)); printf("%.4lf",s0); } return 0; }
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19,584
int main(int argc, char* argv[]) { double a,b,c,d; double m,n; double e,s; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&m); e=(a+b+c+d)/2; n=3.1415926*m/360; if((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*pow(cos(n),2)<0) { printf("Invalid input"); } else{ s=sqrt((e-a)*(e-b)*(e-c)*(e-d)-a*b*c*d*pow(cos(n),2)); printf("%.4f",s); } return 0; }
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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; }
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19,586
int main() { double a,b,c,d,sita,s,tmp; a=b=c=d=sita=s=tmp=0; scanf("%lf",&a); scanf("%lf",&b); scanf("%lf",&c); scanf("%lf",&d); scanf("%lf",&sita); s=(a+b+c+d)/2; sita=sita*PI/360; sita=cos(sita); tmp=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*sita*sita; if(tmp<0) { printf("Invalid input\n"); goto eof; } tmp=sqrt(tmp); printf("%.4f",tmp); eof:; }
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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"); }
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int main() { double area(double w,double x,double y,double z,double v); double a,b,c,d,t,s,p,r; scanf("%lf",&a); scanf("%lf",&b); scanf("%lf",&c); scanf("%lf",&d); scanf("%lf",&t); s=0.5*(a+b+c+d); r=PI*t/360; if (((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(r)*cos(r))<0) printf("Invalid input"); else { p=area(a,b,c,d,t); printf("%.4lf",p); } } double area(double w,double x,double y,double z,double v) { double s1,S; s1=0.5*(w+x+y+z); v=PI*v/360; S = sqrt((s1-w)*(s1-x)*(s1-y)*(s1-z) - w*x*y*z*cos(v)*cos(v)); return(S); }
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double MyComputeArea(); int main() { double MyQuadrangleArea=0; MyQuadrangleArea=MyComputeArea(); if(MyQuadrangleArea<0) { printf("Invalid input\n"); } else { printf("%.4lf\n",MyQuadrangleArea); } return 0; } double MyComputeArea() { double MyQuadrangleArea=0; double side1=0,side2=0,side3=0,side4=0,angle=0; scanf("%lf",&side1); scanf("%lf",&side2); scanf("%lf",&side3); scanf("%lf",&side4); scanf("%lf",&angle); double MyAngle=angle*PI/180.0; //printf("%.4lf\n",MyAngle); double s=0; s=(side1+side2+side3+side4)/2.0; //S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos2?); if((s-side1)*(s-side2)*(s-side3)*(s-side4)-side1*side2*side3*side4*(1+cos(MyAngle))/2>=0) { MyQuadrangleArea=sqrt((s-side1)*(s-side2)*(s-side3)*(s-side4)-side1*side2*side3*side4*(1+cos(MyAngle))/2); } else { return -1; } return MyQuadrangleArea; }
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int main() { float a[4]; float s,S,angle,t; int i; for(i=0;i<4;i++) scanf("%f\n",&a[i]); scanf("%f",&angle); s=(a[0]+a[1]+a[2]+a[3])/2; t=cos(angle*pi/360); S=sqrt((s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*t*t); if((s-a[0])*(s-a[1])*(s-a[2])*(s-a[3])-a[0]*a[1]*a[2]*a[3]*t*t<0)printf("Invalid input"); else printf("%.4f",S); }
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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; }
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int main(){ double a,b,c,d,e,g; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e); g=e/180*PI; double f,s,S; s=(double)1/2*(a+b+c+d); f=(double)(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(g/2)*cos(g/2); if(f>=0){S=(double)sqrt(f); printf("%.4lf",S);} else {printf("Invalid input");} return 0; }
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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); }
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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)); }
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float f(float x1,float x2,float x3,float x4); main() { double S,a,b,c,d,x,s; scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x); x=x/360*3.1415926; s=f(a,b,c,d); if((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)<0)printf("Invalid input"); else { S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(x)*cos(x)); printf("%.4lf",S); } } float f(float x1,float x2,float x3,float x4) { float u; u=(x1+x2+x3+x4)/2; return(u); }
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void main() { double f(double a,double b,double c,double d,double x); double a,b,c,d,x,S; scanf("%lf%lf%lf%lf%lf",&a,&b,&c,&d,&x); f(a,b,c,d,x); } double f(double a,double b,double c,double d,double x) { double y,s,S,PI=3.1415926; y=x/360*PI; s=(a+b+c+d)/2.0; S=(s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*cos(y)*cos(y); if(S<0) printf("Invalid input"); else printf("%.4lf",sqrt(S)); }
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int main() { double a,b,c,d,de; scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&de); double aa; aa=( de/2 )* PI / 180; double S,s; s = (a+b+c+d)/2; S = sqrt((s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(aa)*cos(aa)); if((s-a)*(s-b)*(s-c)*(s-d)>=0) printf("%.4f\n",S); else printf("Invalid input"); return 0; }
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int main() { double a,b,c,d,s,S; double e,x; scanf("%lf %lf %lf %lf %lf",&a,&b,&c,&d,&x); s=(a+b+c+d)/2; e=cos(x/720*2*PI); S=sqrt((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e*e); if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e*e)<0) printf("Invalid input\n"); if (((s-a)*(s-b)*(s-c)*(s-d)-a*b*c*d*e*e)>=0) printf("%.4lf\n",S); return 1; }
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int main() { double a,b,c,d,pi=3.1415926,S,s,j,m; scanf("%lf",&a); scanf("%lf",&b); scanf("%lf",&c); scanf("%lf",&d); scanf("%lf",&j); j=pi*j/360; s=(a+b+c+d)/2; m=(s-a)*(s-b)*(s-c)*(s-d) - a*b*c*d*cos(j)*cos(j); if(m<0)printf("Invalid input"); else { S=sqrt(m); printf("%.4lf\n",S); } return 0; }
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