Problem Find the largest palindrome made from the product of two n-digit numbers. Since the result could be very large, you should return the largest palindrome mod 1337. Example Input: 2Output: 987Ex...
...true，不是则返回false（忽略标点符号，大小写，空格） palindrome(A man, a plan, a canal. Panama) should return true. palindrome(five|\_/|four) 思路1 返回一个忽略标点，空格,小写的新字符串 for-if 来检测前后索引字符是否相等 function palindrome(...
... so that the concatenation of the two words, i.e. words[i] + words[j] is a palindrome. Given words = [abcd, dcba, lls, s, sssll] Return [[0, 1], [1, 0], [3, 2], [2, 4]] The palindromes are [dcbaab...
Palindrome Pairs 链接：https://leetcode.com/problems... 这道题没想出来思路，参考了这个博客的内容：http://bookshadow.com/weblog/... 把一个单词分为两个部分：left, right。right部分是回文的，在words里面找是否有reverse的left。这里的left范围是...
Valid Palindrome Problem Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. Example A man, a plan, a canal: Panama is a palindrome. race a ca...
Palindrome Permutation Given a string, determine if a permutation of the string could form a palindrome. For example, code -> False, aab -> True, carerac -> True. Hint: Consider the palindromes of od...
Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000. Input: babad Output: bab Note: aba is also a valid answer. 暴力算法就是找到所有substring, 每个...
214. Shortest Palindrome 题目链接：https://leetcode.com/problems... 找到string从头开始最长的palindrome substring：s[0:i+1]那么只要把substring(i+1)的reverse加到s前面就是结果了。找palindrome substring的过程可以用kmp来做优化，由于reverse(s[0:i+1]) ...
...iven a string s, cut s into some substrings such that every substring is a palindrome. Return the minimum cuts needed for a palindrome partitioning of s. Example Given s = aab, Return 1 since the p...
Problem Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward. Example 1: Input: 121Output: trueExample 2: Input: -121Output: falseExplana...
...consists of lowercase or uppercase letters, find the length of the longest palindromes that can be built with those letters. This is case sensitive, for example Aa is not considered a palindrome he...
Given a string s, return all the palindromic permutations (without duplicates) of it. Return an empty list if no palindromic permutation could be form. For example: Given s = aabb, return [abba, baa...
... so that the concatenation of the two words, i.e. words[i] + words[j] is a palindrome. Example 1: Input: [abcd,dcba,lls,s,sssll]Output: [[0,1],[1,0],[3,2],[2,4]] Explanation: The palindromes are [d...
Problem Given a string, your task is to count how many palindromic substrings in this string. The substrings with different start indexes or end indexes are counted as different substrings even they c...
...consists of lowercase or uppercase letters, find the length of the longest palindromes that can be built with those letters. This is case sensitive, for example Aa is not considered a palindrome h...
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