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摘要： Givennnon-negative integersa1,a2, ...,an, where each represents a point at coordinate (i,ai).nvertical lines are drawn such that the two endpoints of ... 阅读全文

摘要： Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Subscribeto see which companies asked this questionSh... 阅读全文

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

摘要： The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font fo... 阅读全文

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

摘要： There are two sorted arraysnums1andnums2of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should... 阅读全文

摘要： 3. Longest Substring Without Repeating CharactersMy SubmissionsQuestionTotal Accepted:115367Total Submissions:548630Difficulty:MediumGiven a string, f... 阅读全文

摘要： You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ... 阅读全文

摘要： Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two nu... 阅读全文

摘要： 先看下数据结构链表相关http://blog.csdn.net/luckyxiaoqiang/article/details/7393134二叉树相关http://blog.csdn.net/luckyxiaoqiang/article/details/7518888排序相关http://blog.... 阅读全文