zhsenl-CSDN博客

转载 [ZZ]IT 民工男的 CS 课程记忆

转载：http://bbs.sysu.edu.cn/bbstcon?board=CS&file=M.1267951351.A先介绍下自己, 03CS 本科在某更懂中文的地方混了两年多, 做社区产品, 后来做基础平台带项目带新人前端到后端应用到底层跟各部门死磕无处不折腾每年都为可以公费回广东回来校招, 据说是杀手, 不过我不觉得最近在一以企鹅为吉祥物的公司继续折腾此文仅代表个人观点

2017-11-06 11:28:53 469

原创 leetcode 链表 Insertion Sort List

Insertion Sort List Total Accepted: 24444 Total Submissions: 96639My SubmissionsSort a linked list using insertion sort.题意：用插入排序对一个链表排序思路：插入排序对当前元素在前面已经排好的元素中找到一个位置

2014-10-13 12:00:38 1038

原创 leetcode dfs Palindrome Partitioning

Palindrome Partitioning Total Accepted: 21056 Total Submissions: 81036My SubmissionsGiven a string s, partition s such that every substring of the partition is a palindrome.Return all

2014-10-13 10:29:32 919

原创 leetcode dfs Validate Binary Search Tree

Validate Binary Search Tree Total Accepted: 23828 Total Submissions: 91943My SubmissionsGiven a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined

2014-10-12 15:34:35 1012

原创 leetcode 二分查找 Sqrt(x)

Sqrt(x) Total Accepted: 26074 Total Submissions: 116517My SubmissionsImplement int sqrt(int x).Compute and return the square root of x.题意：实现求方根 sqrt(x)思路：二分法对于一个数，它的方

2014-10-12 14:36:47 1570

原创 leetcode 二分法 Pow(x, n)

Pow(x, n) Total Accepted: 25273 Total Submissions: 97470My SubmissionsImplement pow(x, n).题意：求x的n次幂思路：二分法n有可能是负的或正的当n为负是，pow(x, n) = 1/pow(x, -n)x^n = x^{n/2} *

2014-10-12 11:15:47 1330

原创 leetcode dfs Subsets II

Subsets II Total Accepted: 19243 Total Submissions: 71148My SubmissionsGiven a collection of integers that might contain duplicates, S, return all possible subsets.Note:Elements

2014-10-12 10:08:19 829

原创 leetcode 链表 Partition List

Partition List Total Accepted: 19761 Total Submissions: 73252My SubmissionsGiven a linked list and a value x, partition it such that all nodes less than x come before nodes greater than

2014-10-12 00:15:47 1027

原创 leetcode dfs Convert Sorted List to Binary Search Tree

Convert Sorted List to Binary Search Tree Total Accepted: 21420 Total Submissions: 78476My SubmissionsGiven a singly linked list where elements are sorted in ascending order, convert it

2014-10-11 20:42:15 968

原创 leetcode dfs Flatten Binary Tree to Linked List

Flatten Binary Tree to Linked List Total Accepted: 25034 Total Submissions: 88947My SubmissionsGiven a binary tree, flatten it to a linked list in-place.For example,Given 1

2014-10-11 18:07:39 876

原创 leetcode dfs Minimum Depth of Binary Tree

Minimum Depth of Binary Tree Total Accepted: 25609 Total Submissions: 86491My SubmissionsGiven a binary tree, find its minimum depth.The minimum depth is the number of nodes along the

2014-10-11 16:00:29 806

原创 leetcode 二分查找 Search for a Range

Search for a Range Total Accepted: 21480 Total Submissions: 78454My SubmissionsGiven a sorted array of integers, find the starting and ending position of a given target value.Your algo

2014-10-10 21:30:41 919

原创 leetcode 二分查找 Search in Rotated Sorted ArrayII

Search in Rotated Sorted Array II Total Accepted: 18500 Total Submissions: 59945My SubmissionsFollow up for "Search in Rotated Sorted Array":What if duplicates are allowed?Would this

2014-10-10 20:02:08 901

原创 leetcode 二分查找 Search in Rotated Sorted Array

题意：一个已经排序好的数组，被按某个位置旋转了一次，给定一个值target，在该旋转后的数组里查找该值。思路：二分查找难点在于确定往数组的哪一半段继续二分查找设起点、中间点、终点分别为 start、middle、end (采用前闭后开的区间表示方法如果target = A[middle] return middle如果A[middle] >= A[start]，则[start,

2014-10-10 19:48:43 824

原创 Leetcode 细节实现 Set Matrix Zeroes

Set Matrix Zeroes Total Accepted: 18139 Total Submissions: 58671My SubmissionsGiven a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.click to show

2014-09-28 23:50:02 857

原创 Leetcode dp Interleaving String

Interleaving String Total Accepted: 15409 Total Submissions: 79580My SubmissionsGiven s1, s2, s3, find whether s3 is formed by the interleaving of s1 and s2.For example,Given:s1 =

2014-09-21 20:23:21 740

原创 Leetcode dp Distinct Subsequences

Distinct Subsequences Total Accepted: 15484 Total Submissions: 62324My SubmissionsGiven a string S and a string T, count the number of distinct subsequences of T in S.A subsequence of

2014-09-16 21:31:26 784

原创 Leetcode dp Edit Distance

Edit Distance Total Accepted: 14997 Total Submissions: 59129My SubmissionsGiven two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each oper

2014-09-16 17:47:06 744 1

原创 Leetcode dfs Construct Binary Tree from Inorder and Postorder Traversal

Construct Binary Tree from Inorder and Postorder Traversal Total Accepted: 14363 Total Submissions: 54254My SubmissionsGiven inorder and postorder traversal of a tree, construct the bina

2014-09-11 07:12:22 788

原创 Leetcode dfs&dp Triangle

Triangle Total Accepted: 17536 Total Submissions: 65508My SubmissionsGiven a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row

2014-09-11 07:12:15 966

原创 Leetcode dfs Construct Binary Tree from Preorder and Inorder Traversal

Construct Binary Tree from Preorder and Inorder Traversal Total Accepted: 14824 Total Submissions: 55882My SubmissionsGiven preorder and inorder traversal of a tree, construct the binary

2014-09-10 13:16:10 1046

原创 Leetcode dfs N-Queens II

N-Queens II Total Accepted: 12668 Total Submissions: 38109My SubmissionsFollow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct

2014-09-10 09:11:01 943

原创 Leetcode dfs N-Queens

N-Queens Total Accepted: 14054 Total Submissions: 54127My SubmissionsThe n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other

2014-09-10 09:04:43 997

原创 Leetcode dfs Path SumII

Path Sum II Total Accepted: 18489 Total Submissions: 68323My SubmissionsGiven a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.For exampl

2014-09-10 00:37:10 1305

原创 Leetcode 贪心 Jump Game II

Jump Game II Total Accepted: 16242 Total Submissions: 65802My SubmissionsGiven an array of non-negative integers, you are initially positioned at the first index of the array.Each elem

2014-09-10 00:33:08 1039

原创 Leetcode dfs Word Break II

Word Break II Total Accepted: 15138 Total Submissions: 92228My SubmissionsGiven a string s and a dictionary of words dict, add spaces in s to construct a sentence where each word is a va

2014-09-09 23:33:51 1015

原创 Leetcode dp Word Break

Word Break Total Accepted: 22281 Total Submissions: 105657My SubmissionsGiven a string s and a dictionary of words dict, determine if s can be segmented into a space-separated sequence o

2014-09-09 20:23:35 1022

原创 Leetcode 贪心 Jump Game

Jump Game Total Accepted: 18745 Total Submissions: 68916My SubmissionsGiven an array of non-negative integers, you are initially positioned at the first index of the array.Each element

2014-09-09 10:08:31 760

原创 Leetcode dfs Letter Combinations of a Phone Number

Letter Combinations of a Phone Number Total Accepted: 15964 Total Submissions: 60700My SubmissionsGiven a digit string, return all possible letter combinations that the number could repr

2014-09-08 17:08:13 793

原创 Leetcode 细节实现 Longest Common Prefix

Longest Common Prefix Total Accepted: 17298 Total Submissions: 63704My SubmissionsWrite a function to find the longest common prefix string amongst an array of strings.题意

2014-09-08 16:20:17 669

原创 Leetcode 栈 Longest Valid Parentheses

Longest Valid Parentheses Total Accepted: 14818 Total Submissions: 75749My SubmissionsGiven a string containing just the characters '(' and ')', find the length of the longest valid (w

2014-09-08 15:59:12 674

原创 Leetcode 贪心 Longest Consecutive Sequence

Longest Consecutive Sequence Total Accepted: 19169 Total Submissions: 68303My SubmissionsGiven an unsorted array of integers, find the length of the longest consecutive elements sequence

2014-09-07 20:24:09 646

原创 Leetcode 模拟 Count and Say

Count and Say Total Accepted: 14508 Total Submissions: 53213My SubmissionsThe count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ...1 is

2014-09-07 19:44:37 679

原创 Leetcode 细节实现 Length of Last Word

Length of Last Word Total Accepted: 17518 Total Submissions: 59526My SubmissionsGiven a string s consists of upper/lower-case alphabets and empty space characters ' ', return the lengt

2014-09-07 15:56:19 759

原创 Leetcode 栈 Valid Parentheses

Valid Parentheses Total Accepted: 17916 Total Submissions: 63131My SubmissionsGiven a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input stri

2014-09-07 15:23:39 773

原创 Leetcode dfs Sudoku Solver

Sudoku Solver Total Accepted: 11799 Total Submissions: 56732My SubmissionsWrite a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character

2014-09-07 13:05:31 786

原创 Leetcode 细节实现 Valid Sudoku

Valid Sudoku Total Accepted: 13142 Total Submissions: 47070My SubmissionsDetermine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules.The Sudoku board could be partially fi

2014-09-07 13:05:03 670

原创 Leetcode 二分查找 Search a 2D Matrix

Search a 2D Matrix Total Accepted: 18506 Total Submissions: 59402My SubmissionsWrite an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following pr

2014-09-05 16:26:00 829

原创 Leetcode bfs&dfs Binary Tree Postorder Traversal II

Binary Tree Level Order Traversal II Total Accepted: 16983 Total Submissions: 54229My SubmissionsGiven a binary tree, return the bottom-up level order traversal of its nodes' values. (ie

2014-09-05 16:21:41 670

原创 Leetcode dfs Binary Tree Postorder Traversal

Binary Tree Postorder Traversal Total Accepted: 28560 Total Submissions: 92333My SubmissionsGiven a binary tree, return the postorder traversal of its nodes' values.For example:Given

2014-09-05 16:04:00 716

testtestest

testesatsetststesttetsttttttttttttttttttttttttttttttttttttt

2012-10-27

UNIX网络编程卷1

　本书是一部UNIX网络编程的经典之作。附录中给出了测量各种IPC形式性能的方法。　　本书内容详尽且具权威性，几乎每章都提供精选的习题，并提供了部分习题的答案，是网络研究和开发人员理想的参考书。

2012-08-13

浙江大学android公开课

浙江大学android公开课的一些讲义。对于学习android的同学很有帮助。。。。。

2011-10-05

Android中文合集（126+8篇）

Android中文翻译组是一个非盈利性质的开源组织，聚一批开发人员、大学生、研究生等Android爱好者，利用业余时间对Android相关的API及开发者指南等进行翻译，至今已超过200人报名参与，欢迎更多朋友加入，联系Mail：[email protected]，关于翻译组的更多介绍，请看这里。本合集包含126章节API和8章开发者指南

2011-10-05

Android最佳学习路线图

Android最佳学习路线图 Android最佳学习路线图快速进入android的世界快速进入android的世界

2011-09-04

TA创建的收藏夹 TA关注的收藏夹

TA关注的人

testtestest

UNIX网络编程 卷1

浙江大学android公开课

Android中文合集（126+8篇）

Android最佳学习路线图

java编程思想（第4版）

腾讯2005-2011年笔试题 部分含有答案

操作系统概念课件06

操作系统概念课件05

操作系统概念课件ch03

操作系统概念课件ch02

操作系统概念英文课件ch01

操作系统概念第七版答案(英文)

操作系统概念第六版习题答案(英文)

汇编课程设计 文本编辑器

空空如也

UNIX网络编程卷1

腾讯2005-2011年笔试题部分含有答案

汇编课程设计文本编辑器