题目:http://www.lydsy.com/JudgeOnline/problem.php?id=3895 看这题感觉好神. SG函数,dp....好像都不行呀. 最后去膜拜题解发现记忆化搜索 囧 那我就直接上他的做法了. 假设每堆石子的数量都大于1 那么我们定义操作数b为当前石子总数+当前堆数-1 若b为奇数,则先手必胜,否则后手必胜 证明: 若当前只有一堆,则正确性显然 否则: 若b为奇数,那么先手只需进行一次合成操作,此时操作数会-1,且仍不存在大小为1的堆,因此只需要证明b为偶数时先…

2069. Hard Rock Time limit: 1.0 secondMemory limit: 64 MB Ilya is a frontman of the most famous rock band on Earth. Band decided to make the most awesome music video ever for their new single. In that music video Ilya will go through Manhattan standi…

初看题目时就发了个错误,我因为没有耐心看题而不了解题目本身的意思,找不到做题的突破口,即使看了一些题解,还是没有想到方法. 后来在去问安叔,安叔一语道破天机,问我有没有搞清题目的意思,我才恍然大悟,做题当然要先搞懂题目意思,不然做什么题呢!以后一定要再三注意!而且要把每一个细节都注意到! POJ - 2339 Rock, Scissors, Paper Time Limit: 5000MS Memory Limit: 65536KB 64bit IO Format: %I64d & %I64u…

ROCK (RObust Clustering using linKs)  聚类算法‏是一种鲁棒的用于分类属性的聚类算法.该算法属于凝聚型的层次聚类算法.之所以鲁棒是因为在确认两对象(样本点/簇)之间的关系时考虑了他们共同的邻居(相似样本点)的数量,在算法中被叫做链接(Link)的概念.而一些聚类算法只关注对象之间的相似度. ROCK 算法中用到的四个关键概念 邻居(Neighbors):如果两个样本点的相似度达到了阈值(θ),这两个样本点就是邻居.阈值(θ)有用户指定,相似度也是通过用户指定的…

先翻译评分要点,然后一点点翻译程序实现过程 如何产生一堆岩石? rock_group = set([])#空集合,全局变量   rock_group.add(a_rock) 要画出来draw handler? 用rock_group代替a_rock,因为要产生一组岩石,有很多a_rock,代替哪一个呢? 在draw handler里面我用: for n in rock_group:     n.draw(canvea) 可以产生一堆岩石了,但是岩石后来就不转了,而且岩石数目一直增加-------…

Problem Description Rock, Paper, Scissors is a two player game, where each player simultaneously chooses one of the three items after counting to three. The game typically lasts a pre-determined number of rounds. The player who wins the most rounds w…

Ilya is a frontman of the most famous rock band on Earth. Band decided to make the most awesome music video ever for their new single. In that music video Ilya will go through Manhattan standing on the top of a huge truck and playing amazing guitar s…

Before the cows head home for rest and recreation, Farmer John wantsthem to get some intellectual stimulation by playing a game.The game board comprises N (1 <= N <= 15) identical holes in theground, all of which are initially empty. A cow moves by…

CHAPTER 17 民谣摇滚 Folk Rock 以8Beat为主,120左右的速度最能表现此节奏特色. 示例曲目: 略…

2018 ACM-ICPC 中国大学生程序设计竞赛线上赛:https://www.jisuanke.com/contest/1227 题目链接:https://nanti.jisuanke.com/t/26219 Rock Paper Scissors Lizard Spock Description: Didi is a curious baby. One day, she finds a curious game, which named Rock Paper Scissors Lizard…