字符串匹配是字符串的一种基本操作:给定一个长度为 M 的文本和一个长度为 N 的模式串,在文本中找到一个和该模式相符的子字符串,并返回该字字符串在文本中的位置. KMP 算法,全称是 Knuth-Morris-Pratt 算法,以三个发明者命名,开头的那个K就是著名科学家 Donald Knuth .KMP 算法的关键是求 next 数组.next 数组的长度为模式串的长度.next 数组中每个值代表模式串中当前字符前面的字符串中,有多大长度的相同前缀后缀. Boyer-Moore 算法在实际应…
http://poj.org/problem?id=3080 Blue Jeans Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 23415 Accepted: 10349 Description The Genographic Project is a research partnership between IBM and The National Geographic Society that is analy…
Bazinga Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5510 Description Ladies and gentlemen, please sit up straight. Don't tilt your head. I'm serious.For n given strings S1,S2,⋯,Sn, labelled from 1 to n, you…
Clairewd's message Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3228 Accepted Submission(s): 1248 Problem Description Clairewd is a member of FBI. After several years concealing in BUPT,…