摘要: https://codeforces.com/contest/1323/problem/D 上个题解.... 1 #include<bits/stdc++.h> 2 using namespace std; 3 typedef long long ll; 4 const int maxn = 4e5 阅读全文
posted @ 2020-03-08 22:06 AaronChang 阅读(308) 评论(0) 推荐(0) 编辑