摘要:
https://vjudge.net/contest/313584 F dp #include<bits/stdc++.h> using namespace std; #define LL long long const int mod=1e9+7; const int maxn=1e4+10; L 阅读全文
摘要:
https://vjudge.net/contest/313217 喔要补完题!! A #include<bits/stdc++.h> using namespace std; const int mod=1e9+7; #define ll long long const int maxn=1e6+ 阅读全文
摘要:
P3379 【模板】最近公共祖先(LCA) 阅读全文