随笔分类 -  字符串处理之kmp

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摘要:题意:求a[1:i]的2 |border| // include define fi first define se second define db double define mp make_pair define pb push_back define mt make_tuple define 阅读全文
posted @ 2019-04-29 18:52 walfy 阅读(122) 评论(0) 推荐(0) 编辑
摘要:KMP,先预处理按每个节点标记,扫一遍更新每个匹配位置,最后kmp判断是否有重合而且不相同的地方 注意处理细节,很容易runtime error #include<map> #include<set> #include<cmath> #include<queue> #include<stack> # 阅读全文
posted @ 2017-08-14 15:36 walfy 阅读(172) 评论(0) 推荐(0) 编辑
摘要:It's time for music! A lot of popular musicians are invited to join us in the music festival. Each of them will play one of their representative songs 阅读全文
posted @ 2017-05-11 22:16 walfy 阅读(162) 评论(0) 推荐(0) 编辑
摘要:Chen, Adrian (November 7, 2013). “Doge Is An Ac- tually Good Internet Meme. Wow.”. Gawker. Retrieved November 22, 2013. Doge is an Internet meme that 阅读全文
posted @ 2017-05-10 15:13 walfy 阅读(202) 评论(0) 推荐(0) 编辑
摘要:For each prefix with length P of a given string S,if S[i]=S[i+P] for i in [0..SIZE(S)-p-1], then the prefix is a “period” of S. We want to all the per 阅读全文
posted @ 2017-05-08 20:33 walfy 阅读(249) 评论(0) 推荐(0) 编辑
摘要:Give you n ( n < 10000) necklaces ,the length of necklace will not large than 100,tell me How many kinds of necklaces total have.(if two necklaces can 阅读全文
posted @ 2017-05-08 19:07 walfy 阅读(517) 评论(0) 推荐(0) 编辑
摘要:Give you a string with length N, you can generate N strings by left shifts. For example let consider the string “SKYLONG”, we can generate seven strin 阅读全文
posted @ 2017-05-08 17:07 walfy 阅读(143) 评论(0) 推荐(0) 编辑
摘要:Beside other services, ACM helps companies to clearly state their “corporate identity”, which includes company logo but also other signs, like tradema 阅读全文
posted @ 2017-05-08 14:42 walfy 阅读(115) 评论(0) 推荐(0) 编辑
摘要:You are given a number of case-sensitive strings of alphabetic characters, find the largest string X, such that either X, or its inverse can be found 阅读全文
posted @ 2017-05-08 14:41 walfy 阅读(448) 评论(0) 推荐(0) 编辑
摘要:It is well known that AekdyCoin is good at string problems as well as number theory problems. When given a string s, we can write down all the non-emp 阅读全文
posted @ 2017-05-06 22:39 walfy 阅读(574) 评论(0) 推荐(0) 编辑
摘要:Homer: Marge, I just figured out a way to discover some of the talents we weren’t aware we had. Marge: Yeah, what is it? Homer: Take me for example. I 阅读全文
posted @ 2017-05-06 21:35 walfy 阅读(116) 评论(0) 推荐(0) 编辑
摘要:The Genographic Project is a research partnership between IBM and The National Geographic Society that is analyzing DNA from hundreds of thousands of 阅读全文
posted @ 2017-05-06 20:58 walfy 阅读(2121) 评论(2) 推荐(0) 编辑
摘要:The little cat is so famous, that many couples tramp over hill and dale to Byteland, and asked the little cat to give names to their newly-born babies 阅读全文
posted @ 2017-05-05 13:39 walfy 阅读(254) 评论(0) 推荐(0) 编辑
摘要:Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we think of concate 阅读全文
posted @ 2017-05-04 20:37 walfy 阅读(88) 评论(0) 推荐(0) 编辑
摘要:There is a string A. The length of A is less than 1,000,000. I rewrite it again and again. Then I got a new string: AAAAAA...... Now I cut it from two 阅读全文
posted @ 2017-05-04 19:51 walfy 阅读(124) 评论(0) 推荐(0) 编辑
摘要:For each prefix of a given string S with N characters (each character has an ASCII code between 97 and 126, inclusive), we want to know whether the pr 阅读全文
posted @ 2017-05-04 19:40 walfy 阅读(124) 评论(0) 推荐(0) 编辑
摘要:CC always becomes very depressed at the end of this month, he has checked his credit card yesterday, without any surprise, there are only 99.9 yuan le 阅读全文
posted @ 2017-05-04 18:47 walfy 阅读(119) 评论(0) 推荐(0) 编辑
摘要:The French author Georges Perec (1936–1982) once wrote a book, La disparition, without the letter 'e'. He was a member of the Oulipo group. A quote fr 阅读全文
posted @ 2017-05-04 16:35 walfy 阅读(184) 评论(0) 推荐(0) 编辑
摘要:一块花布条,里面有些图案,另有一块直接可用的小饰条,里面也有一些图案。对于给定的花布条和小饰条,计算一下能从花布条中尽可能剪出几块小饰条来呢? Input输入中含有一些数据,分别是成对出现的花布条和小饰条,其布条都是用可见ASCII字符表示的,可见的ASCII字符有多少个,布条的花纹也有多少种花样。 阅读全文
posted @ 2017-05-04 15:18 walfy 阅读(211) 评论(0) 推荐(0) 编辑
摘要:Given two sequences of numbers : a11, a22, ...... , aNN, and b11, b22, ...... , bMM (1 <= M <= 10000, 1 <= N <= 1000000). Your task is to find a numbe 阅读全文
posted @ 2017-05-04 15:15 walfy 阅读(372) 评论(0) 推荐(0) 编辑

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