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摘要： heard from you seen David smile felt like this had a barbecue been to Australia I insist that... we do this now that I'm innocent. you leave Jim alone 阅读全文

摘要： 23、链表反转 给你单链表的头节点 head ，请你反转链表，并返回反转后的链表。 /** * Definition for singly-linked list. * public class ListNode { * int val; * ListNode next; * ListNode() 阅读全文

摘要： 21、搜索二维矩阵 编写一个高效的算法来搜索 m x n 矩阵 matrix 中的一个目标值 target 。该矩阵具有以下特性： 每行的元素从左到右升序排列。 每列的元素从上到下升序排列。 /** 从右上角搜索，如果 (row,col) > target,则 col--,(row,col) < t 阅读全文

摘要： did she call. have I told you. did you kiss her. did you black out. have you been here. have you seen this. It's amazing. I'm still alive. how much he 阅读全文

摘要： 19、螺旋矩阵 class Solution { public List<Integer> spiralOrder(int[][] matrix) { List<Integer> order = new ArrayList<Integer>(); if (matrix == null || matr 阅读全文

摘要： I find it difficult to... answer breath sometimes believe that control my emotions tell jack I miss him. express myself in english. understand what he 阅读全文

摘要： 17、缺失的第一个数 给你一个未排序的整数数组 nums ，请你找出其中没有出现的最小的正整数。 请你实现时间复杂度为 O(n) 并且只使用常数级别额外空间的解决方案。 示例 1： 输入：nums = [1,2,0] 输出：3 解释：范围 [1,2] 中的数字都在数组中。 示例 2： 输入：nums 阅读全文

摘要： 第九天 how well you speak French What time do you... open leave get up wake up go home go to bed go to work There's nothing wrong with... the plan this l 阅读全文

摘要： 15、旋转数组 给定一个整数数组 nums，将数组中的元素向右轮转 k 个位置，其中 k 是非负数。 示例 1: 输入: nums = [1,2,3,4,5,6,7], k = 3 输出: [5,6,7,1,2,3,4] 解释: 向右轮转 1 步: [7,1,2,3,4,5,6] 向右轮转 2 步: 阅读全文

摘要： There must be... a mistake. a solution a shortcut a way out something you can do an explaination for it. I'm fed up with.... this job everything this 阅读全文