回文树【Palindromic 第19页

回文树(Palindrome Tree)/回文自动机(Palindrome Automaton)学习小记

简介回文树（回文自动机），是解决一类回文串问题的强大数据结构，比Manacher扩展了很多功能。

a_crazy_czy·2016-01-31 17:00

leetcode 5 Longest Palindromic Substring

原题：GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.大意：给你字符串，让你找出最大的回文子串。classSolution { booldp[1001][10

·2016-01-29 01:00

Longest Palindromic Substring

方法一：动态规划基本公式：matrix[i][j]=true,ifmatrix[i+1][j-1]==true&&str[i]==str[j]matrix[i][j]=false,otherwise初始化，需要把长度为1和2的串先标好true/false思路：1.初始化：1）标记所有长度为1的子串为真：对于所有matrix[i][i]=true2)标记所有长度为2的子串的真假：对于所有matrix

warmland·2016-01-28 05:00

Longest Palindromic Substring

题目大意：给出一个字符串S，找到一个最长的连续回文串。首先你要知道回文是什么。回文就是从左右两边读都一样的字符串。例如”aba”是回文，”abc”不是回文。一个常见的错误有人很快会想到这样一个方法。这个方法有缺陷，不过很容易修正：翻转S成为S’。查找S和S’最长公共子串，就是S的最长回文子串。看起来有道理的样子。用实例检验下。例如S=”caba”，S’=”abac”。S和S’的最长公共子串是”ab

u010010428·2016-01-25 18:00

USACO--Palindromic Squares

PalindromicSquaresRobKolstadPalindromesarenumbersthatreadthesameforwardsasbackwards.Thenumber12321isatypicalpalindrome.GivenanumberbaseB(2 #include #include #definemaxn1500 usingnamespacestd; charhas

lk951208·2016-01-24 11:00

Longest Palindromic Substring(最长回文子串)

GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.题目的要求是给定一个字符串，找到一个最长的回文子串。解决这道题首先我们要知道回文字符串的概念，单个字符属于回文

KickCode·2016-01-24 08:00

LeetCode5——Longest Palindromic Substring 最易懂的解法

Givenastring S,findthelongestpalindromicsubstringin S.Youmayassumethatthemaximumlengthof S is1000,andthereexistsoneuniquelongestpalindromicsubstring.实现：classSolution{ public: voidgetPalindrome(string&

booirror·2016-01-22 23:00

Longest Palindromic Substring

题目链接：https://leetcode.com/problems/longest-palindromic-substring/题目描述：求最长回文子串。

codeTZ·2016-01-19 15:00

Ural1960 Palindromes and Super Abilities

嗯，这道题是回文树的裸题。简单讲一下回文树。

geng4512·2016-01-18 21:00

lightoj 1396 - Palindromic Numbers (III)

PDF(English)StatisticsForumTimeLimit: 1second(s)MemoryLimit: 32MBVinciisalittleboyandisverycreative.OnedayhisteacheraskedhimtowriteallthePalindromicnumbersfrom1to1000.Hebecameveryfrustratedbecauset

KIJamesQi·2016-01-15 17:00

manacher算法求最长回文子串（Longest Palindromic Substring）

经典的快速求最长回文子串的算法是manacher算法(俗称“马拉车”)，时间复杂度o(n)，感觉能在o(n)时间内解决问题的算法都是神啊。不过这个算法用处比较单一，思想也不具有普遍性。回文这个东西，本来用的就不多，看看理解一下就好。推两篇博文：博文一，博文二。一是英文，二是中文，看完之后就应该能理解的差不多了，其中博文二在博文一的参考文献里，外国人居然也看中文博客，惊奇！下面自己对一些比较难理解的

zhangjun03402·2016-01-14 12:00

005Longest Palindromic Substring （C）

Givenastring S,findthelongestpalindromicsubstringin S.Youmayassumethatthemaximumlengthof S is1000,andthereexistsoneuniquelongestpalindromicsubstring.开始竟然看成最大的逆序子串了回文数有两种情况（例）1.abba2.abgbachar*longestP

molu_chase·2016-01-08 12:00

Longest Palindromic Substring Leetcode Python 2016 new Season

Givenastring S,findthelongestpalindromicsubstringin S.Youmayassumethatthemaximumlengthof S is1000,andthereexistsoneuniquelongestpalindromicsubstring.ShowCompanyTagsShowTagsShowSimilarProblemsTherearet

hyperbolechi·2016-01-04 10:00

leetcode第5题——**Longest Palindromic Substring

题目Givenastring S,findthelongestpalindromicsubstringin S.Youmayassumethatthemaximumlengthof S is1000,andthereexistsoneuniquelongestpalindromicsubstring.思路题目是要求出字符串中的最长回文子串。定义计数变量cnt用于存储回文子串的长度，存储回文子串开始

buptlrw·2015-12-30 11:00

回文树笔记(转自quack_quack)

1.回文树的next[charset]指针：b->aba那么就这样表示：b.next[a]=aba当然树里面肯定不能存字符串，于是就直接用下标标号代替了2.回文树的fail指针：跟ac自动机类似，fail

geng4512·2015-12-24 22:00

回文树笔记

1.回文树的next[charset]指针：b->aba那么就这样表示：b.next[a]=aba当然树里面肯定不能存字符串，于是就直接用下标标号代替了2.回文树的fail指针：跟ac自动机类似，fail

Quack_quack·2015-12-21 23:00

leetcode (5) Longest Palindromic Substring js代码实现

LongestPalindromicSubstringGivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.Subscribetoseewhichcompanies

张小水儿·2015-12-19 01:45

[leetcode] Longest Palindromic Substring 解题报告

题目链接：https://leetcode.com/problems/longest-palindromic-substring/Givenastring S,findthelongestpalindromicsubstringin

qq508618087·2015-12-18 05:00

5 Longest Palindromic Substring

题目GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.在一个字符串中，获得最长的回文串思路：通过遍历整个字符串，将每个字符当作一个回文串中心，记录每个字符为中心

u011642663·2015-12-17 20:00

LeetCode OJ : 5 Longest Palindromic Substring

GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.求字符串中的最长回文字符串；我的思路比较简单，但是实现起来代码看着好乱。。。从第一个字符开始遍历，直到最后一个

Linux_ever·2015-12-15 21:00

LeetCode Longest Palindromic Substring

LeetCode解题之LongestPalindromicSubstring原题找到一个字符串的最长回文子字符串，该字符串长度不超过1000，且只有唯一一个最长回文子串。注意点：返回结果是整个子字符串，不是它的长度回文字符串要考虑奇偶的情况例子：输入:s=”abae”输出:aba输入:s=”abbae”输出:abba解题思路依次把每一个字符当做回文字符串的中间字符，找到以该字符为中间字符的回文串的

u013291394·2015-12-14 21:00

LeetCode（5）Longest Palindromic Substring

题目GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.分析求给定字符串的最长回文子串。这道题有下面三种解决思路：暴力法，二层遍历，判断【i，j】子串是否回文，且

fly_yr·2015-12-14 13:00

leetcode -- Longest Palindromic Substring -- 重点，有O(n)思路未理解

https://leetcode.com/problems/longest-palindromic-substring/思路1遍历所有s[i],当回文串长度为奇数的时候，判断以其为中点的回文串的长度；当回文串长度为偶数的时候

xyqzki·2015-12-12 21:00

lintcode最长回文子串(Manacher算法)

题目来自lintcode,链接：http://www.lintcode.com/zh-cn/problem/longest-palindromic-substring/最长回文子串给出一个字符串（假设长度最长为

小眼儿·2015-12-09 19:00

算法练习 - 最长回文字串(Manacher 算法学习)

终于在看了一个英文介绍（http://articles.leetcode.com/2011/11/longest-palindromic-substring-part-ii.html），又苦苦思索1天后

eva_qu·2015-12-04 21:11

Leetcode日记（4）---Longest Palindromic Substring

最长回文字串题型我一个想法，回文的作用有哪些哦？eg:abccba动态规划classSolution{ public: stringlongestPalindrome(strings){ intlen=s.length(),max=1,ss=0,tt=0; boolflag[len][len]; for(inti=0;i=j) flag[i][j]=true; elseflag[i][j]=fal

alive2012·2015-12-04 21:00

LightOJ 1396 Palindromic Numbers (III)（贪心）

DescriptionVinciisalittleboyandisverycreative.OnedayhisteacheraskedhimtowriteallthePalindromicnumbersfrom1to1000.Hebecameveryfrustratedbecausethereisnothingcreativeinthetask.Observinghisexpression,the

zyd8888102·2015-11-28 14:00

判断一个数是否为回文数

#include int is_palindromic(int num) { char _old = num; char _new = 0; while (num) { _new = _new

小杨杨雪松·2015-11-13 20:23

LightOJ 1205 Palindromic Numbers

Palindromic Numbers Time Limit: 2000MS Memory Limit: 32768KB 64bit IO Format:

·2015-11-13 18:54

LeetCode 005 Longest Palindromic Substring

题目描述：Longest Palindromic Substring Given a string S, find the longest palindromic substring in&

·2015-11-13 13:17

Leetcode | Longest Palindromic Substring

Given a string S, find the longest palindromic substring in S.

·2015-11-13 13:07

USACO Section 1.2: Palindromic Squares

1 /* 2 ID: leetcod3 3 PROG: palsquare 4 LANG: C++ 5 */ 6 #include <iostream> 7 #include <fstream> 8 #include <string> 9 #include <map> 10 #include <vector&

·2015-11-13 11:03

【UVa】Palindromic Subsequence（dp+字典序）

http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=465&page=show_problem&problem=2399 最长的很简单，将串翻转过来后求两个串的lcs就是答案。。主要是字典序那里。。。还是开string来比较吧。。注意最后输出方案时用

·2015-11-13 11:05

LeetCode: Longest Palindromic Substring

自己的large没过，找到的网上答案跟一开始的想法是一样的，不过被网上的一个string的substr用法给坑了。。string.substr(strposstart, length) 1 class Solution { 2 public: 3 string longestPalindrome(string s) { 4 // Start typing

·2015-11-13 10:09

LeetCode——Longest Palindromic Substring

Given a string S, find the longest palindromic substring in S.

·2015-11-13 09:34

leetcode第五题--Longest Palindromic Substring

Problem：Given a string S, find the longest palindromic substring in S.

·2015-11-13 08:29

LeetCode Online Judge 题目C# 练习 - Longest Palindromic Substring

Given a string S, find the longest palindromic substring in S.

·2015-11-13 08:57

Prime Palindrome Golf

You are given a number and your challenge is to find the closest palindromic prime number that greater

·2015-11-13 07:43

HDU 3068 最长回文 Manacher算法

网上非常多解释，最好的解析文章当然是Leetcode的了：http://leetcode.com/2011/11/longest-palindromic-substring-part-ii.html

·2015-11-13 07:00

[LeetCode]Longest Palindromic Substring

Given a string S, find the longest palindromic substring in S.

·2015-11-13 07:15

leetcode problem (5) Longest Palindromic Substring

最长回文子串： 1. 暴力搜索时间复杂度O（n^3） 2. 动态规划 dp[i][j] 表示子串s[i…j]是否是回文初始化：dp[i][i] = true (0 <= i <= n-1); dp[i][i-1] = true (1 <= i <= n-1); 其余的初始化为false dp[i][j] =

·2015-11-13 06:37

Longest Palindromic Substring

题目: Given a string S, find the longest palindromic substring in S.

·2015-11-13 03:30

USACO Section1.2 Palindromic Squares 解题报告

　　　　palsquare解题报告 —— icedream61 博客园（转载请注明出处）------------------------------------------------------------------------------------------------------------------------------------------------【题目】　

·2015-11-13 01:57

[LeetCode#5]Longest Palindromic Substring

Given a string S, find the longest palindromic substring in S.

·2015-11-13 01:28

Leetcode:【DP】Longest Palindromic Substring 解题报告

Longest Palindromic Substring -- HARD 级别 Question SolutionGiven a string S, find the longest palindromic

·2015-11-13 00:16

USACO 1.2 Palindromic Squares

Palindromic Squares Rob Kolstad Palindromes are numbers that read the same forwards as backwards.

·2015-11-13 00:06

【leetcode】Longest Palindromic Substring

Longest Palindromic Substring Given a string S, find the longest palindromic substring in

·2015-11-13 00:20

LeetCode_Longest Palindromic Substring

Given a string S, find the longest palindromic substring in S.

·2015-11-12 23:03

LeetCode 5 最长回文子串　Manacher线性算法

题目链接：https://oj.leetcode.com/problems/longest-palindromic-substring/ 回文串即正向反向序列都一样的连续序列　如abba,abcba

·2015-11-12 23:43

Java [leetcode 5] Longest Palindromic Substring

问题描述： Given a string S, find the longest palindromic substring in S.

·2015-11-12 22:47

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