摘要: #include <bits/stdc++.h> using namespace std; const int N = 35 * 1000 + 10; int n; int f[N],a[N]; vector <int> pre[N]; int dp[N]; long long ans[N]; in 阅读全文
posted @ 2024-09-22 01:03 kanade16 阅读(7) 评论(0) 推荐(0) 编辑