Palindromic

【LeetCode】回文串专题

LeetCode】5.最长回文子串【LeetCode】680.验证回文字符串Ⅱ【LeetCode】5.最长回文子串题目链接https://leetcode-cn.com/problems/longest-palindromic-substring
控球强迫症·2020-05-14 16:00

Longest Palindromic Substring

Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.Example:Input:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.Example:Input:"cbbd"Output:"bb"题目和第三题类似，求给定字
倒数第三·2020-04-13 21:15

Leetcode - 5.Longest Palindromic Substring

Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.Example1:Input:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.Example2:Input:"cbbd"Output:"bb"我想到的和官方给出的中
飛鳥與魚·2020-04-10 04:53

Longest Palindromic Subsequence

Medium实践证明，第一次没有彻底搞懂的题，第二次你还是会卡在一样的地方。这道题当时我的记录是这样的：image.png我二刷卡在了index为什么要倒着走那里，结果我当时只写一句：不这么写的话后面会很麻烦。这就是不理解还硬用，尴尬吧。还是要搞扎实一点啊，同学。简单解释一下吧。因为后面我们求dp[i][j]需要用到dp[i+1][j-1]，dp[i+1][j],dp[i][j-1]所以很明显我们
greatfulltime·2020-04-10 00:54

Longest Palindromic Substring - LeetCode

LeetCodeProblemsSolutionsquestiondescription:问题描述Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.给定一个字符串s，在s中找到最长的回文子串，你可以假设s的最大长度是1000。字符串的回文:简单理解就是，字符串从
才华惊动警方·2020-04-06 16:16

leetcode #5 Longest Palindromic Substring

Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.Example:Input:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.Example:Input:"cbbd"Output:"bb"题目大意最大回文子串。给定
huntriver·2020-04-01 05:36

马拉车算法, 线性找最长回文 必考题

www.cnblogs.com/grandyang/p/4475985.htmlhttp://www.geeksforgeeks.org/manachers-algorithm-linear-time-longest-palindromic-substring-part
98Future·2020-03-31 09:46

LeetCode-5 - Longest Palindromic Substring

Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000exampleInput:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.Solution1很容易想到的方法，两层循环遍历整个字符串，每个可能的子串都被判定是否为回文
空即是色即是色即是空·2020-03-26 23:49

Palindromic Substrings

Givenastring,yourtaskistocounthowmanypalindromicsubstringsinthisstring.Thesubstringswithdifferentstartindexesorendindexesarecountedasdifferentsubstringseventheyconsistofsamecharacters.求所有回文子序列的个数Examp
冷殇弦·2020-03-26 03:53

Lintcode200 Longest Palindromic Substring solution 题解

【题目描述】GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.给出一个字符串（假设长度最长为1000），求出它的最长回文子串，你可以假定只有一个满足条件的最长回
程风破浪会有时·2020-03-23 18:58

LeetCode:Longest Palindromic [M]——回文串判断

我现在在做一个叫《leetbook》的开源书项目，把解题思路都同步更新到github上了，需要的同学可以去看看地址：https://github.com/hk029/leetcode这个是书的地址：https://hk029.gitbooks.io/leetbook/这里写图片描述005.LongestPalindromic[M]题目GivenastringS,findthelongestpali
voidsky_很有趣儿·2020-03-23 17:19

【python学习记录5】Longest Palindromic Substring

问题描述GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.详细问题代码实现classSolution(object):deflongestPalindrome(
hitsunbo·2020-03-22 05:58

Longest Palindromic Substring

DescriptionGivenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.Example:Input:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.Example:Input:"cbbd"Output:"bb"So
Nancyberry·2020-03-21 02:22

Longest Palindromic Substring

/**中心扩散法:如果中心字符串s是回文，那么以中心对称的字符串向左右两边扩展s1，如果左右两边字符关于中心对称，那么s1也是回文，遍历所有中心点，重复上述过程，找到最长回文子串。中心对称分两种情况，奇数个字符以某个字母对称；偶数个字符以中间两个字符对称时间复杂度：O(n^2)空间复杂度：O(1)http://blog.csdn.net/qustdrjhj/article/details/7542
larrymusk·2020-03-20 16:14

[LeetCode OJ]- Longest Palindromic Substring

题目：https://leetcode.com/problems/longest-palindromic-substring/description/给一个字符串，求最长回文串。
其中一个cc·2020-03-16 13:04

LeetCode每日一题：longest palindromic substring

问题描述GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.问题分析我们可以采用递归的方式，找每个字符为中心的最长回文子串，用一个全局变量（写代码应该尽量避免全局
yoshino·2020-03-15 06:12

Longest Palindromic Substring

题目Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.Example:Input:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.Example:Input:"cbbd"Output:"bb"要找一个字符串中的最长
persistent100·2020-03-14 13:35

Longest Palindromic Substring解题报告

Description:Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.Example:Input:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.Input:"cbbd"Output:"bb"Link:http
黑山老水·2020-03-10 04:49

Longest Palindromic Substring

medium,Array/StringQuestion:给定字符串s,返回最长回文子字符串ForexampleInput:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.Input:"cbbd"Output:"bb"Solution抓住回文关于中心对称的特点（中心可能在两个字母之间)classSolution(object):deflongestPa
穿越那片海·2020-03-10 00:51

Longest Palindromic Substring

Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.Example:Input:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.一刷Manacher'sAlgorithmJava:Manacher:TimeCompl
Jeanz·2020-03-08 07:52

Leetcode--Longest Palindromic Substring

5.LongestPalindromicSubstringclassSolution{public:stringlongestPalindrome(strings){intn=s.size();boolf[n][n];fill_n(&f[0][0],n*n,false);//用vector会超时//vector>f(n,vector(n,false));intmax_len=1,start_ind
zthh·2020-03-07 18:49

【力扣-每日小练】5. 最长回文子串 （python)

5.最长回文子串题目链接：https://leetcode-cn.com/problems/longest-palindromic-substring/难度：中等题目描述给定一个字符串s，找到s中最长的回文子串
正午12:00·2020-03-07 14:40

最长回文子串(Longest Palindromic Substring)

LeetCode.jpg5.最长回文子串5.最长回文子串给定一个字符串s，找到s中最长的回文子串。你可以假设s的最大长度为1000。示例1：输入:"babad"输出:"bab"注意:"aba"也是一个有效答案。示例2：输入:"cbbd"输出:"bb"切题一、Clarification求最长回文子串，这里有几个特殊情况需要考虑1、空字符串，""，最长回文子串""2、单个字符，"a"，最长回文子串"a
leacoder·2020-03-06 11:36

Longest Palindromic Substring

题目：GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.publicclassSolution{publicStringlongestPalindrome(St
juexin·2020-03-05 00:22

Longest Palindromic Subsequence

MediumGivenastrings,findthelongestpalindromicsubsequence'slengthins.Youmayassumethatthemaximumlengthofsis1000.Example1:Input:"bbbab"Output:4Onepossiblelongestpalindromicsubsequenceis"bbbb".Example2:In
greatfulltime·2020-03-04 17:39

Palindromic Substrings

Givenastring,yourtaskistocounthowmanypalindromicsubstringsinthisstring.Thesubstringswithdifferentstartindexesorendindexesarecountedasdifferentsubstringseventheyconsistofsamecharacters.Example1:Input:"
persistent100·2020-03-03 07:44

Palindromic Substrings 回文子串

Givenastring,yourtaskistocounthowmanypalindromicsubstringsinthisstring.Thesubstringswithdifferentstartindexesorendindexesarecountedasdifferentsubstringseventheyconsistofsamecharacters.给定一字符串，统计其含有的回文子
这就是一个随意的名字·2020-03-03 04:01

【算法】Longest Palindromic Substring

最近刷LeetCode遇到一个比较有意思的题目（LongestPalindromicSubstring），求一个字符串的最大回文子串。题目本身并不难，但需要理清思路才好理解，借此文记录下。题目Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.给定一个字符串，找出
jiantao88·2020-03-01 16:32

Palindromic Substrings

Givenastring,yourtaskistocounthowmanypalindromicsubstringsinthisstring.Thesubstringswithdifferentstartindexesorendindexesarecountedasdifferentsubstringseventheyconsistofsamecharacters.Example1:Input:"
Jeanz·2020-03-01 06:08

Longest Palindromic Substring

对hard类型的题，表示目前实在是hold不住，暂时先不刷啊。等我刷完easy和medium回头再战！2016/10/10编程语言是Java，代码托管在我的GitHub上，包括测试用例。欢迎各种批评指正！题目——LongestPalindromicSubstringGivenastringS,findthelongestpalindromicsubstringinS.Youmayassumetha
秋名山菜车手·2020-02-29 01:09

Longest Palindromic Substring

这道题常规做法，从任意位置向两边扫描，http://www.programcreek.com/2013/12/leetcode-solution-of-longest-palindromic-substring-java
DrunkPian0·2020-02-28 08:11

Leetcode - Longest Palindromic Substring

Question:Paste_Image.pngMycode:publicclassSolution{publicStringlongestPalindrome(Strings){if(s==null||s.length()==0)returnnull;intmax=1;//assumethateverysinglecharacterispalindromeStringlongestStr=""+
Richardo92·2020-02-27 06:15

Longest Palindromic Substring

Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.Input:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.Input:"cbbd"Output:"bb"答案：funclongestPalindrome(_s:S
小伙鸡·2020-02-26 11:37

Longest Palindromic Subsequence

Givenastrings,findthelongestpalindromicsubsequence'slengthins.Youmayassumethatthemaximumlengthofsis1000.Example1:Input:"bbbab"Output:4Onepossiblelongestpalindromicsubsequenceis"bbbb".第一感觉就是DP，可惜写不出来，只
DrunkPian0·2020-02-24 23:45

Longest Palindromic Substring

链接classSolution{publicStringlongestPalindrome(Strings){//字符串转数组char[]chars=s.toCharArray();intlen=s.length();//记录回文数组长度，而不是开头和结尾，从外圈向内圈包围，不断缩小范围while(len>=0){for(inti=0;i+len-1
Wenyue_offer·2020-02-23 04:56

【PAT A1024】 Palindromic Number (25)（25 分）

AnumberthatwillbethesamewhenitiswrittenforwardsorbackwardsisknownasaPalindromicNumber.Forexample,1234321isapalindromicnumber.Allsingledigitnumbersarepalindromicnumbers.Non-palindromicnumberscanbepaire
AdmondGuo·2020-02-21 16:01

Longest Palindromic Substring

题目GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.解题之法//TimecomplexityO(n*n)classSolution{public:string
时光杂货店·2020-02-21 04:13

LeetCode 05 Longest Palindromic Substring

题目要求GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.  题目翻译：给定一个字符串，找到最长的回文字串，假定字符串长度最大为1000，并存在唯一的最大回文子
SiyueLin·2020-02-20 15:37

Longest Palindromic Subsequence

题目Givenastrings,findthelongestpalindromicsubsequence'slengthins.Youmayassumethatthemaximumlengthofsis1000.Example1:Input:"bbbab"Output:4Onepossiblelongestpalindromicsubsequenceis"bbbb".Example2:Input:
BLUE_fdf9·2020-02-20 13:44

Longest Palindromic Subsequence

Givenastrings,findthelongestpalindromicsubsequence'slengthins.Youmayassumethatthemaximumlengthofsis1000.Example1:Input:"bbbab"Output:4Onepossiblelongestpalindromicsubsequenceis"bbbb".Example2:Input:"c
sherwin29·2020-02-19 21:35

LeetCode 最长回文子串 | 解二

最长回文子串题目来源：https://leetcode-cn.com/problems/longest-palindromic-substring/题目给定一个字符串s，找到s中最长的回文子串。
大梦三千秋·2020-02-19 18:03

LeetCode 最长回文子串

最长回文子串题目来源：https://leetcode-cn.com/problems/longest-palindromic-substring/题目给定一个字符串s，找到s中最长的回文子串。
大梦三千秋·2020-02-18 06:24

Palindromic Substrings

MediumGivenastring,yourtaskistocounthowmanypalindromicsubstringsinthisstring.Thesubstringswithdifferentstartindexesorendindexesarecountedasdifferentsubstringseventheyconsistofsamecharacters.Example1:I
greatfulltime·2020-02-17 19:32

Palindromic Substrings

最大回文串正好让我回顾一下DP，动态规划比较经典的题目Output:3Explanation:Threepalindromicstrings:"a","b","c".Input:"aaa"Output:6Explanation:Sixpalindromicstrings:"a","a","a","aa","aa","aaa".总之就是一个线性规划的问题，注意递归条件：if(s[start]=s[e
腹黑君·2020-02-16 11:51

Longest Palindromic Substring(最长的回文子串)

Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.给定一个字符串s，找到s中最长的回文子字符串。您可以假设s的最大长度为1000Example:Input:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.Examp
安东可·2020-02-10 11:40

General Palindromic Number (20) (C语言实现)

我的PAT系列文章更新重心已移至Github，欢迎来看PAT题解的小伙伴请到GithubPages浏览最新内容(本篇文章链接)。此处文章目前已更新至与GithubPages同步。欢迎star我的repo。题目AnumberthatwillbethesamewhenitiswrittenforwardsorbackwardsisknownasaPalindromicNumber.Forexample
OliverLew·2020-02-07 18:11

[LeetCode 5] Longest Palindromic Substring (Medium)

GivenastringS,findthelongestpalindromicsubstringinS.YoumayassumethatthemaximumlengthofSis1000,andthereexistsoneuniquelongestpalindromicsubstring.ExampleGiventhestring="abcdzdcab",return"cdxdc".思路1因为有S
蓝眼睛灰·2020-02-07 08:24

Palindromic Number (25) (C语言实现)

我的PAT系列文章更新重心已移至Github，欢迎来看PAT题解的小伙伴请到GithubPages浏览最新内容(本篇文章链接)。此处文章目前已更新至与GithubPages同步。欢迎star我的repo。题目AnumberthatwillbethesamewhenitiswrittenforwardsorbackwardsisknownasaPalindromicNumber.Forexample
OliverLew·2020-02-06 13:27

Longest Palindromic Substring

Givenastrings,findthelongestpalindromicsubstringins.Youmayassumethatthemaximumlengthofsis1000.Example1:Input:"babad"Output:"bab"Note:"aba"isalsoavalidanswer.Example2:Input:"cbbd"Output:"bb"//非dp方法clas
强威·2020-02-04 20:00

PAT甲级真题 1019 General Palindromic Number (20分) C++实现（注意测试点2、4）

题目AnumberthatwillbethesamewhenitiswrittenforwardsorbackwardsisknownasaPalindromicNumber.Forexample,1234321isapalindromicnumber.Allsingledigitnumbersarepalindromicnumbers.Althoughpalindromicnumbersarem
zhang35·2020-02-04 09:45
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