Educational Codeforces Round 117 (Rated for Div. 2)
a稍微进行分类讨论#include <iostream>using namespace std;#define eps 1e-8const int maxn = 1e6; void solve(){ int a, b, x, y; // c(x, y); // A(0,0) B(x,y) scanf("%d %d", &a, &b); int dis_ac = x + y; // 2x + 2y = a + b;
