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2018年9月29日

[LeetCode] 674. Longest Continuous Increasing Subsequence 最长连续递增序列

摘要： Given an unsorted array of integers, find the length of longest continuous increasing subsequence (subarray). Example 1: Example 2: Note: Length of th 阅读全文

posted @ 2018-09-29 07:15 轻风舞动阅读(379) 评论(0) 推荐(0) 编辑

[LeetCode] 673. Number of Longest Increasing Subsequence 最长递增序列的个数

摘要： Given an unsorted array of integers, find the number of longest increasing subsequence. Example 1: Example 2: Note: Length of the given array will be 阅读全文

posted @ 2018-09-29 06:05 轻风舞动阅读(457) 评论(0) 推荐(0) 编辑

[LeetCode] 741. Cherry Pickup 捡樱桃

摘要： In a N x N grid representing a field of cherries, each cell is one of three possible integers. 0 means the cell is empty, so you can pass through; 1 m 阅读全文

posted @ 2018-09-29 03:31 轻风舞动阅读(793) 评论(0) 推荐(0) 编辑

2018年9月27日

Arrange seat of a bench for people

摘要： Given a bench with n seats and few people sitting, tell the seat number each time when a new person goes to sit on the bench such that his distance fr 阅读全文

posted @ 2018-09-27 09:10 轻风舞动阅读(286) 评论(0) 推荐(0) 编辑

[LeetCode] 463. Island Perimeter 岛的周长

摘要： You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents water. Grid cells are connected horizontally/ve 阅读全文

posted @ 2018-09-27 06:23 轻风舞动阅读(350) 评论(0) 推荐(0) 编辑

2018年9月26日

50个最常用的Unix/Linux命令

摘要：这篇文章翻译自http://www.thegeekstuff.com/2010/11/50-linux-commands/这些都是一些很常用的命令，这篇文章中每个命令都有一些简单的示例说明它的用法，对于想学习Unix/Linux的人，这些命令基本上都是需要掌握的： 1. tar 创建一个新的tar文阅读全文

posted @ 2018-09-26 08:28 轻风舞动阅读(255) 评论(0) 推荐(0) 编辑

HashMap和HashTable的区别

摘要： HashMap和Hashtable的比较是Java面试中的常见问题，用来考验程序员是否能够正确使用集合类以及是否可以随机应变使用多种思路解决问题。HashMap的工作原理、ArrayList与Vector的比较以及这个问题是有关Java 集合框架的最经典的问题。Hashtable是个过时的集合类，存阅读全文

posted @ 2018-09-26 08:24 轻风舞动阅读(194) 评论(0) 推荐(0) 编辑

2018年9月25日

[LeetCode] 114. Flatten Binary Tree to Linked List 将二叉树展平为链表

摘要： Given a binary tree, flatten it to a linked list in-place. For example, given the following tree: The flattened tree should look like: 给一个二叉树，把它展平为链表阅读全文

posted @ 2018-09-25 13:40 轻风舞动阅读(493) 评论(0) 推荐(0) 编辑

[LeetCode] 624. Maximum Distance in Arrays 数组中的最大距离

摘要： Given m arrays, and each array is sorted in ascending order. Now you can pick up two integers from two different arrays (each array picks one) and cal 阅读全文

posted @ 2018-09-25 13:26 轻风舞动阅读(772) 评论(0) 推荐(0) 编辑

[LeetCode] 602. Friend Requests II: Who Has Most Friend? 朋友请求 II: 谁有最多的朋友？

摘要： In social network like Facebook or Twitter, people send friend requests and accept others' requests as well. Table request_accepted holds the data of 阅读全文

posted @ 2018-09-25 13:03 轻风舞动阅读(1326) 评论(0) 推荐(0) 编辑

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