摘要: https://ac.nowcoder.com/acm/contest/3003/J 题解: 1 #include<bits/stdc++.h> 2 typedef long long ll; 3 using namespace std; 4 const ll mod = 1e9+7; 5 cons 阅读全文
posted @ 2020-02-08 00:34 AaronChang 阅读(176) 评论(0) 推荐(0)