摘要: #include<bits/stdc++.h> using namespace std; const int N=1e5+20; const int mod=998244353; int a[N]; int n; int k,len; int dp[N][118]; //设dp[i][j]为考虑前i 阅读全文
posted @ 2021-10-05 20:31 Hehe_0 阅读(40) 评论(0) 推荐(0)