摘要: https://www.luogu.com.cn/problem/P2158 #include <bits/stdc++.h> using namespace std; #define int long long const int maxn = 4e4 + 10; int v[maxn], phi 阅读全文
posted @ 2020-02-27 12:02 Hazelxcf 阅读(258) 评论(0) 推荐(0)
摘要: https://www.luogu.com.cn/problem/P1582 #include <bits/stdc++.h> using namespace std; #define int long long int n,k; //取出1的个数 int check(int x){ int c = 阅读全文
posted @ 2020-02-27 11:40 Hazelxcf 阅读(159) 评论(0) 推荐(0)