摘要: 完全背包加上容斥,思想非常妙 #include <bits/stdc++.h> #define for1(i,a,b) for (int i = a;i <= b;i ++) #define ll long long const int maxn = 1e5+5; const int inf = 9 阅读全文
posted @ 2023-02-16 21:14 yyx525jia 阅读(14) 评论(0) 推荐(0)