55 lines
2.2 KiB
C++
55 lines
2.2 KiB
C++
#include<iostream>
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#include<cstdio>
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#include<cstring>
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#include<cmath>
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using namespace std;
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char a[20];
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double funx(double x1,double y1,double x2,double y2,double x3,double y3,double x4,double y4){
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return (y4-y2+(y1-y2)*x2/(x1-x2)-(y3-y4)*x4/(x3-x4))/((y1-y2)/(x1-x2)-(y3-y4)/(x3-x4));
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}
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double funy(double x1,double y1,double x2,double y2,double x3,double y3,double x4,double y4){
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return y2+(y1-y2)*(funx(x1,y1,x2,y2,x3,y3,x4,y4)-x2)/(x1-x2);
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}
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double area(double x0,double y0,double x1,double y1,double x2,double y2){
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return fabs(x0*y1+x2*y0+x1*y2-x2*y1-x0*y2-x1*y0);
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}
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double dis(double x1,double y1,double x2,double y2){
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return sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
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}
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int main(){
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double ax=0.0,ay=0.0,bx,by=0.0,cx,cy,dx,dy;
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double aax,aay,bbx,bby,ccx,ccy,ddx,ddy;
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int t,n;
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while(~scanf("%d",&t)){
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while(t--){
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scanf("%d%lf%lf%lf%lf%lf",&n,&bx,&cx,&cy,&dx,&dy);
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aax=(bx+cx)/2;
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aay=(by+cy)/2;
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bbx=(cx+dx)/2;
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bby=(cy+dy)/2;
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ccx=(ax+dx)/2;
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ccy=(ay+dy)/2;
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ddx=(ax+bx)/2;
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ddy=(ay+by)/2;
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double x1=funx(ax,ay,aax,aay,bx,by,bbx,bby);
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double y1=funy(ax,ay,aax,aay,bx,by,bbx,bby);
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double x2=funx(bx,by,bbx,bby,cx,cy,ccx,ccy);
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double y2=funy(bx,by,bbx,bby,cx,cy,ccx,ccy);
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double x3=funx(cx,cy,ccx,ccy,dx,dy,ddx,ddy);
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double y3=funy(cx,cy,ccx,ccy,dx,dy,ddx,ddy);
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double x4=funx(ax,ay,aax,aay,dx,dy,ddx,ddy);
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double y4=funy(ax,ay,aax,aay,dx,dy,ddx,ddy);
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double al,bob,chas,dave,emily;
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al =area(ax,ay,bx,by,x1,y1)/2/160;
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bob =area(bx,by,cx,cy,x2,y2)/2/160;
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chas=area(cx,cy,dx,dy,x3,y3)/2/160;
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dave=area(dx,dy,ax,ay,x4,y4)/2/160;
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double all=(area(ax,ay,bx,by,cx,cy)+area(ax,ay,cx,cy,dx,dy))/2/160;
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emily=all-al-bob-chas-dave;
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int d=(int)ceil((dis(x1,y1,x2,y2)+dis(x2,y2,x3,y3)+dis(x3,y3,x4,y4)+dis(x4,y4,x1,y1))*16.5);
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printf("%d %.3f %.3f %.3f %.3f %.3f %d\n",n,al,bob,chas,dave,emily,d);
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}
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}
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return 0;
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}
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