杨领well

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全部文章（共268篇）

LeetCode: 234. Palindrome Linked List

LeetCode: 234. Palindrome Linked List 题目描述 Given a singly linked list, determine if it is a palindrome. Example 1: Input: 1->2 Output: false ...

2019-02-13

0 336

TCP/IP协议(9): UDP(User Datagram Protocol) 协议 —— 最简单的传输层协议

TCP/IP协议(9): UDP(User Datagram Protocol) 协议 —— 最简单的传输层协议关于用户数据报协议(User Datagram Protocol, UDP)协议 UDP 协议是一种保留消息边界的简单的传输层协议。一般来说，每次应用层请求的 UDP 输出操作只产生...

2018-11-17

0 1008

LeetCode: 232. Implement Queue using Stacks

LeetCode: 232. Implement Queue using Stacks 题目描述 Implement the following operations of a queue using stacks. push(x) – Push element x to the back o...

2018-10-24

0 652

LeetCode: 228. Summary Ranges

LeetCode: 228. Summary Ranges 题目描述 Given a sorted integer array without duplicates, return the summary of its ranges. Example 1: Input: [0,1,2,4,...

2018-10-22

0 555

LeetCode: 227. Basic Calculator II

LeetCode: 227. Basic Calculator II 题目描述 Implement a basic calculator to evaluate a simple expression string. The expression string contains only no...

2018-10-21

0 472

LeetCode: 225. Implement Stack using Queues

LeetCode: 225. Implement Stack using Queues 题目描述 Implement the following operations of a stack using queues. push(x) – Push element x onto stack...

2018-10-19

0 396

LeetCode:224.Basic Calculator

LeetCode:224.Basic Calculator 题目描述 Implement a basic calculator to evaluate a simple expression string. The expression string may contain open (and...

2018-10-18

0 613

LeetCode: 223. Rectangle Area

LeetCode: 223. Rectangle Area 题目描述 Find the total area covered by two rectilinear rectangles in a 2D plane. Each rectangle is defined by its bottom...

2018-10-15

0 569

LeetCode: 222. Count Complete Tree Nodes

LeetCode: 222. Count Complete Tree Nodes 题目描述 Given a complete binary tree, count the number of nodes. Note: Definition of a complete binary tree ...

2018-10-14

0 524

LeetCode: 221. Maximal Square

LeetCode: 221. Maximal Square 题目描述 Given a 2D binary matrix filled with 0's and 1's, find the largest square containing only 1's and return its area...

2018-10-13

0 647