摘要: http://codeforces.com/contest/581/problem/F#include#define REP(i,a,b) for(int i=a;i G[maxn];int dp[maxn][maxn][2];int rt;int cnt[maxn];int f[maxn][max... 阅读全文
posted @ 2015-12-30 11:52 __560 阅读(216) 评论(0) 推荐(0)