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我官方数据都过了,但交上去就是WA,莫非数据加强了?哪位路过的大虾帮忙看一下……#include<iostream>
#include<cmath>
using namespace std;
int main()
{
freopen("1.txt","w",stdout);
int t;
scanf("%d",&t);
while(t--)
{
double ax,ay,bx,by,cx,cy;
scanf("%lf%lf%lf%lf%lf%lf",&ax,&ay,&bx,&by,&cx,&cy);
double hy=(((cx-ax)*(ax-bx)+(ay-by)*cy)*(cx-bx)+(by-cy)*(ax-bx)*ay)/((by-cy)*(ax-bx)+(cx-bx)*(ay-by));
double hx;
if(abs(ax-bx)>1e-8)hx=cx-(hy-cy)*(ay-by)/(ax-bx);
else hx=ax-(ay-hy)*(by-cy)/(cx-bx);
printf("%.4lf %.4lf\n",hx,hy);
}
return 0;
}
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