摘要: https://ac.nowcoder.com/acm/contest/3003/J 1 #include <bits/stdc++.h> 2 using namespace std; 3 #define ll long long 4 const int mod=1e9+7; 5 const int 阅读全文
posted @ 2020-02-07 11:12 古比 阅读(139) 评论(0) 推荐(0) 编辑