// 将 R XOR C 换个变量记作 x,则我们令 G(x)=min(popcount(x), W-popcount(x))vector<ll>G(size,0);for(intmask =0; mask < size; mask++){intones = __builtin_popcount(mask); G[mask] =min(ones, W - ones); }// 我们要求的 f(C) = sum_{R} freq[R] * G(R XOR C)//...
tie(nullptr); cout.tie(nullptr); int T = 1; while(T--) solve(); return 0; } Atcoder beginner contest 396(ABCD,补E) A:模拟即可 B:栈模拟 C:贪心+双指针 D:dfs __EOF__ 本文作者: graspppp 本文链接: https://www.cnblogs.com/graspppp/p/18762166 关于博主: 评论和私信会在第一...
We will hold AtCoder Beginner Contest 396. Contest URL: https://atcoder.jp/contests/abc396 Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20250308T2100&p1=248 Duration: 100 minutes Writer: toam, sounansya Tester: physics0523, yuto1115 Rated range: ~ 1999 The point...
push({num[i],i}); } ans = g_sort(num,1,n); cout<<ans<<'\n'; for(int i = 1;i < m;i ++) { while(q.top().first + i == m) { auto u = q.top();q.pop(); ans += u.second - 1; ans -= n - u.second; q.push({0,u.first}); } cout<<ans<<'\n'; } ...
AtCoder Beginner Contest 391 A-G 简易题解,如果题解中有什么问题可以找我反馈,谢谢! A.Lucky Direction 没啥技巧,纯粹按照题目写 条件 signed main(){ string s; cin >> s; if(s=="N")cout<<"S"; if(s=="E")cout<<"W"; i…阅读全文 赞同16 8 条评论 分享收藏 ...
AtCoder Beginner Contest 396 G 讲解 09:28 AtCoder Beginner Contest 397 A~F 讲解 21:11 Educational Codeforces Round 176 (Rated for Div. 2) D 讲解 04:59 AtCoder Beginner Contest 397 G 讲解 06:01 Codeforces Global Round 23 ABCDF 讲解 14:28 AtCoder Beginner Contest 398 A~F 讲解...
AtCoder Beginner Contest 396 G 讲解 09:28 AtCoder Beginner Contest 397 A~F 讲解 21:11 Educational Codeforces Round 176 (Rated for Div. 2) D 讲解 04:59 AtCoder Beginner Contest 397 G 讲解 06:01 Codeforces Global Round 23 ABCDF 讲解 14:28 AtCoder Beginner Contest 398 A~F 讲解...
[题解]AtCoder Beginner Contest 396(ABC396) A~G A - Triple Four按题意模拟即可。时间复杂度O(n)O(n)。点击查看代码 #include<bits/stdc++.h> #define N 110 using namespace std; int n,a[N]; signed main(){ cin>>n;for(int i=1...
AtCoder Beginner Contest 396 AtCoder Beginner Contest 396 A - Triple Four 给定一个数列,问是否存在连续三个数是一样的。 简单的判断,枚举第一个数的位置,然后检查它和后面两个数是否一致。 #include<iostream>usingnamespacestd;intn;inta[101];boolfl=false;intmain(){...
重点讲 G, A∼D 放个代码,尽量不展开讲,本题解里面的 C++ 代码是 C++20 的 A - Triple Four #include <iostream> #include <cassert> #include <vector> int main() { std::ios ::sync_with_stdio(false); std::cin.tie(nullptr); std::cout.tie(nullptr); int n; std::cin >> n; asser...