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摘要： 题目：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 sing... 阅读全文

摘要： 题目：Given an array of integers, every element appearsthreetimes except for one. Find that single one.Note:Your algorithm should have a linear runtime c... 阅读全文

摘要： 题目：Given an array of integers, every element appearstwiceexcept for one. Find that single one.Note:Your algorithm should have a linear runtime complex... 阅读全文

摘要： 题目：There areNchildren standing in a line. Each child is assigned a rating value.You are giving candies to these children subjected to the following re... 阅读全文

摘要： 题目：There areNgas stations along a circular route, where the amount of gas at stationiisgas[i].You have a car with an unlimited gas tank and it costsco... 阅读全文

摘要： 题目：Given amxnmatrix, if an element is 0, set its entire row and column to 0. Do it in place.click to show follow up.Follow up:Did you use extra space?... 阅读全文

摘要： 题目：The gray code is a binary numeral system where two successive values differ in only one bit.Given a non-negative integernrepresenting the total num... 阅读全文

摘要： 题目：You are climbing a stair case. It takesnsteps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you cl... 阅读全文

摘要： 题目：Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is... 阅读全文

摘要： 题目：You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?代码：class Solutio... 阅读全文