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摘要： 原题地址：https://oj.leetcode.com/problems/reverse-linked-list-ii/题意：Reverse a linked list from positionmton. Do it in-place and in one-pass.For example:Gi... 阅读全文

摘要： 原题地址：https://oj.leetcode.com/problems/add-two-numbers/题意：You are given two linked lists representing two non-negative numbers. The digits are stored i... 阅读全文

摘要： 原题地址：https://oj.leetcode.com/problems/rotate-image/题意：You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Fo... 阅读全文

摘要： 原题地址：https://oj.leetcode.com/problems/candy/题意：There areNchildren standing in a line. Each child is assigned a rating value.You are giving candies to ... 阅读全文

摘要： 原题地址：https://oj.leetcode.com/problems/gas-station/题意：There areNgas stations along a circular route, where the amount of gas at stationiisgas[i].You ha... 阅读全文

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

摘要： 原题地址：https://oj.leetcode.com/problems/plus-one/题意：Given a non-negative number represented as an array of digits, plus one to the number.The digits are... 阅读全文