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摘要： 题目：Write a function to find the longest common prefix string amongst an array of strings.代码：class Solution {public: string longestCommonPrefix(vect... 阅读全文

摘要： 题目：Implement wildcard pattern matching with support for'?'and'*'.'?' Matches any single character.'*' Matches any sequence of characters (including th... 阅读全文

摘要： 题目：Implement regular expression matching with support for'.'and'*'.'.' Matches any single character.'*' Matches zero or more of the preceding element.... 阅读全文

摘要： 题目：Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest... 阅读全文

摘要： 题目：Given two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100".代码：class Solution {public: string addBina... 阅读全文

摘要： 题目：Implementatoito convert a string to an integer.Hint:Carefully consider all possible input cases. If you want a challenge, please do not see below a... 阅读全文

摘要： 题目：Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.Update (2014-11-02):The... 阅读全文

摘要： 题目：Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: P... 阅读全文

摘要： 题目：Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the v... 阅读全文

摘要： 题目：Given a singly linked listL:L0→L1→…→Ln-1→Ln,reorder it to:L0→Ln→L1→Ln-1→L2→Ln-2→…You must do this in-place without altering the nodes' values.For e... 阅读全文