摘要: #include <bits/stdc++.h> using namespace std; using ll = long long ; const int N=20,M=1<<N; ll dp[M][N+10],a[22][22]; int main() { ios::sync_with_stdi 阅读全文
posted @ 2021-06-01 10:15 Acception 阅读(26) 评论(0) 推荐(0)