AtCoder Beginner Contest 256(补题) E - Takahashi's Anguish题意:现有个人,现在需要你决定你个排列,第个人讨厌第个人,所以若第个人排在第个人前面的话,则会产生的厌倦值,现在让你输出最小的厌倦值总和思路:个人,每个人都向连一条有向边,个人条边,所以若产生个连通块,就会产生个环(一个连通块内有一个环)...
题解:由于不太直观,我们从图论的角度来思考这个问题,从i->p_{i}i->P_{i}连一条有向边,那么我们会发现n个点,n条边必然会成环,每个点都有一个自己不喜欢的人,那么我们最后的图必然是由若干个连通块构成的,且每个连通块中都成环了,环上的点必然不喜欢的点也在环上,那么链上的点我们构造发现他们不对答...
AtCoder Beginner Contest 256 星宫六喰 一个追追番的无害死宅,WXG LLM打工人,随缘更新~ 来自专栏 · 算法竞赛之路 6 人赞同了该文章 A : code signed main() { cin0(); // DEBUG(); int n; cin >> n; cout << (LL)pow(2, n) << endl; return 0; } ...
1import java.util.*;2publicclassMain {3publicstaticvoidmain(String[] args) {4Scanner sc=newScanner(System.in);5intn=sc.nextInt();6intm=sc.nextInt();7longt=sc.nextInt();8intarr[]=newint[n+1];9for(inti=1;i<n;i++){10arr[i]=sc.nextInt();11}12Map<Integer,Long> vis =new...
AtCoder Beginner Contest 053 ABCD题 A - ABC/ARC Time limit : 2sec /Memory limit : 256MB Score :100points Problem Statement Smeke has decided to participate in AtCoder Beginner Contest (ABC) if his current rating is less than1200, and participate in AtCoder Regular Contest (ARC) otherwise...
Aising Programming Contest 2022(AtCoder Beginner Contest 255)实况 https://www.bilibili.com/video/BV1mY411K7PJ/ https://www.bilibili.com/video/BV1W3411g79S/ Aising Programming Contest 2022(AtCoder Beginner Contest 255)现场实况 https://www.bilibili.com/video/BV1Ba411L736/ ...
AtCoder Beginner Contest 058 ABCD题 A - ι⊥l Time limit : 2sec /Memory limit : 256MB Score :100points Problem Statement Three poles stand evenly spaced along a line. Their heights area,bandcmeters, from left to right. We will call the arrangement of the polesbeautifulif the tops of ...
[AtCoder Beginner Contest 365](https://atcoder.jp/contests/abc365) 题解 ABC365的比赛题解,我做出G题了,但暂时不发,需要的请私信 私信前请看:https://www.luogu.com.cn/paste/lowgb1lx ### A - Leap Year [翻](https://blog.csdn.net/qianzhima2012/article/details/141070004?spm=1001.2014.3001....
Did you enjoy the AtCoder Beginner Contest 128? A Japanese editorial is already out, but unfortunately there is no English editorial, so I translated it into English experimentally. Note that this is an unofficial one; AtCoder has no responsibility for this editorial. Also, I didn't do ...
We will hold AtCoder Beginner Contest 167. Contest URL: https://atcoder.jp/contests/abc167 Start Time: http://www.timeanddate.com/worldclock/fixedtime.html?iso=20200510T2100&p1=248 Duration: 100 minutes Number of Tasks: 6 Writer: gazelle, kort0n, kyopro_friends, potetisensei, she...