qbxt 10 月模拟赛 Day7
A贪心删除出现次数最少的数。#include <bits/stdc++.h> #define fi first #define se second #define db double #define U unsigned #define P std::pair<int,int> #define LL long long #define pb push_back #d...
A贪心删除出现次数最少的数。#include <bits/stdc++.h> #define fi first #define se second #define db double #define U unsigned #define P std::pair<int,int> #define LL long long #define pb push_back #d...