摘要: 洛谷 P3390 #include<bits/stdc++.h> using namespace std; #define maxn 300005 #define ll long long const int mod = 1e9+7; int n; ll k; struct Mat{ ll m[10 阅读全文
posted @ 2019-06-13 15:46 Mmasker 阅读(106) 评论(0) 推荐(0)