Kanade Doesn‘t Want to Learn CGccpc网络赛 计算机几何 未完成

Posted 2021-11-23 幽殇默

http://acm.hdu.edu.cn/showproblem.php?pid=7127

#include<bits/stdc++.h>
using namespace std;
#define int long long
signed main()
{
    int T;
    cin>>T;
    while(T--)
	{
        int a,b,c;
        cin>>a>>b>>c;
        int x0,x1,y0,y1,y2;
        cin>>x0>>x1>>y0>>y1>>y2;
        int res1=x0*x0*a+x0*b+c;
        int x=2*x1-x0;
        int res2=x*x*a+x*b+c;
        int res3=x1*x1*a+x1*b+c;
        if(res1>y0&&res2<y0&&res3!=y0&&res3<=y2)
		{
            puts("Yes");
        }
        else puts("No");
    }
    return 0;
}