难度hard 段式回文 其实与 一般回文 类似,只不过是最小的单位是 一段字符 而不是 单个字母。 举个例子,对于一般回文 "abcba" 是回文,而 "volvo" 不是,但如果我们把 "volvo" 分为 "vo"、"l"、"vo" 三段,则可以认为 “(vo)(l)(vo)” 是段式回文 ...
You are given a stringtext. You should split it to k substrings subtext , subtext , ..., subtextk such that: subtextiis anon emptystring. The concatenation of all the substrings is equal totext i.e., ...
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难度hard 段式回文 其实与 一般回文 类似,只不过是最小的单位是 一段字符 而不是 单个字母。 举个例子,对于一般回文 "abcba" 是回文,而 "volvo" 不是,但如果我们把 "volvo" 分为 "vo"、"l"、"vo" 三段,则可以认为 “(vo)(l)(vo)” 是段式回文 ...
Given a string which consists of lowercase or uppercase letters, find the length of the longest palindromes that can be built with those letters. ...
[i] + words[j] is a palindrome. Example 1:Given wor ...
Determine whether an integer is a palindrome. Do this without extra space.(不要使用额外的空间) Some hints: Could negative integers be palindromes? (ie ...
描述:Determine whether an integer is a palindrome. Do this without extra space. Some hints: Could negative integers be palindromes? (ie ...
Given a string s, partition s such that every substring of the partition is a palindrome. Return all possible palindrome partitioning of s. ...
Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward. Example 1: Example ...
longest palindromic substring. 做这道题之前要先了解什么是回文子串。回文串通俗的 ...