A. Train and Peter 题目连接: http://www.codeforces.com/contest/8/problem/A Description Peter likes to travel by train. He likes it so much that on the train he falls asleep. Once in summer Peter was going by train from city A to city B, and as usual, was…

A. Train and Peter time limit per test 1 second memory limit per test 64 megabytes input standard input output standard output Peter likes to travel by train. He likes it so much that on the train he falls asleep. Once in summer Peter was going by tr…

KMP小结   By Wine93 2013.9 1.学习链接: http://www.matrix67.com/blog/archives/115 2.个人小结 1.KMP在字符串中匹配中起着巨大作用,可以在O(n+m)内完成 2.要充分理解next 数组,其求法和next数组的含义(最长后缀等于最长前缀),了解其用途,下面我就next数组在求字符串最小周期中的应用举例 (1).什么是字符串最小周期? Ex:字符串ababab,最小周期为2,为ab Ex:字符串abcd,最小周期为4,为abc…

Train and Peter CodeForces - 8A Peter likes to travel by train. He likes it so much that on the train he falls asleep. Once in summer Peter was going by train from city A to city B, and as usual, was sleeping. Then he woke up, started to look through…

本文原著:Peter Norvig  中文翻译:徐宥 上个星期, 我的两个朋友 Dean 和 Bill 分别告诉我说他们对 Google 的快速高质量的拼写检查工具感到惊奇. 比如说在搜索的时候键入 [speling], 在不到 0.1 秒的时间内, Google 会返回: 你要找的是不是 [spelling]. (Yahoo! 和 微软也有类似的功能). 让我感到有点奇怪的是我原想 Dean 和 Bill 这两个很牛的工程师和数学家应该对于使用统计语言模型构建拼写检查器有职业的敏感. 但是他们…

大约一年前,我从<英语铺子>栏目知道了Peter Hessler这位作家.主播分享了她的一些读后感和印象深刻的片段,当然主要是主播的声音太甜了,让我对这位美国作家留下了深刻的印象. Peter Hessler,中文名何伟,1988年进入普林斯顿大学英文系,1992年取得学士学位毕业后,得到罗德奖学金,赴英国牛津大学研习英国语文和文学.1996年参与和平队(Peace Corps),和平队给他取名何伟,来到四川重庆涪(fu)陵师范高等专科学校英语系教英文,工作两年并学习中文.1998年合约结束,…

题意: 给你一个数n,表示有n辆火车,编号从1到n,入站,问你有多少种出站的可能.    (题于文末) 知识点: ps:百度百科的卡特兰数讲的不错,注意看其参考的博客. 卡特兰数(Catalan):前几项为 : 1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862, 16796, 58786, 208012, 742900, 2674440, 9694845, 35357670- 令h(0)=1,h(1)=1,catalan数满足递推式:      h(n)= h(0…

列车调度(Train) Description Figure 1 shows the structure of a station for train dispatching. Figure 1 In this station, A is the entrance for each train and B is the exit. S is the transfer end. All single tracks are one-way, which means that the train ca…

Organize Your Train part II Time Limit: 1000MS Memory Limit: 65536K Description RJ Freight, a Japanese railroad company for freight operations has recently constructed exchange lines at Hazawa, Yokohama. The layout of the lines is shown in Figure 1.…

How to Train a GAN? Tips and tricks to make GANs work 转自:https://github.com/soumith/ganhacks While research in Generative Adversarial Networks (GANs) continues to improve the fundamental stability of these models, we use a bunch of tricks to train th…