[Atcoder Grand Contest 038]简要题解?
前言放弃了AGC去打Comet OJ回过头来发现这场怎么这么zz啊亏了亏了题目链接01 Matrix这样构造(灵魂画师谢罪了)Code#include <cstdio>#include <cstring>#include <algorithm>#define fo(i,a,b) for(int i=a;i<=b;i++)#defi...