Explanation

Longest Continuous Increasing Subsequence

Givenanunsortedarrayofintegers,findthelengthoflongestcontinuousincreasingsubsequence(subarray).Example1:Input:[1,3,5,4,7]Output:3Explanation
BLUE_fdf9·2020-03-16 08:03

377. Combination Sum IV

article/details/52064134https://discuss.leetcode.com/topic/52302/1ms-java-dp-solution-with-detailed-explanation
sherwin29·2020-03-16 00:18

Leetcode - 526. Beautiful Arrangement

Input:2Output:2Explanation:Thefirstbeautifularrangementis[1,2]:Numberatthe1stposition(i=1)is1,and1isdivisiblebyi
KkevinZz·2020-03-15 20:28

Eight Secrets to Success

写这个不是出于自愿，这是老师布置的一项作业:看完Ted的演讲，自己想一想为什么这些要素可以使我们走向成功，用一句话写出你的explanation.写完后，想与大家分享一下。
媛木子的盛夏光阴·2020-03-15 19:44

Lettcode 数组题

SummaryRangesInput:[0,1,2,4,5,7]Output:["0->2","4->5","7"]Explanation:0,1,2formacontinuousrange;4,5formacontinuousrange
vckah·2020-03-12 09:51

Number of Longest Increasing Subsequence

Givenanunsortedarrayofintegers,findthenumberoflongestincreasingsubsequence.Example1:Input:[1,3,5,4,7]Output:2Explanation
BLUE_fdf9·2020-03-11 14:03

525. Contiguous Array

DescriptionGivenabinaryarray,findthemaximumlengthofacontiguoussubarraywithequalnumberof0and1.Example1:Input:[0,1]Output:2Explanation
Nancyberry·2020-03-09 04:11

414. Third Maximum Number

returnthethirdmaximumnumberinthisarray.Ifitdoesnotexist,returnthemaximumnumber.ThetimecomplexitymustbeinO(n).Example1:Input:[3,2,1]Output:1Explanation
西土城小羊·2020-03-08 13:22

LeetCode笔记：498. Diagonal Traverse

returnallelementsofthematrixindiagonalorderasshowninthebelowimage.Example:Input:[[1,2,3],[4,5,6],[7,8,9]]Output:[1,2,4,7,5,3,6,8,9]Explanation
Cloudox_·2020-03-08 07:08

LeetCode-414. Third Maximum Number

returnthethirdmaximumnumberinthisarray.Ifitdoesnotexist,returnthemaximumnumber.ThetimecomplexitymustbeinO(n).Example1:Input:[3,2,1]Output:1Explanation
冷灬叶枫·2020-03-08 04:39

69. Sqrt(x)

Computeandreturnthesquarerootofx.xisguaranteedtobeanon-negativeinteger.Example1:Input:4Output:2Example2:Input:8Output:2Explanation
衣介书生·2020-03-07 01:47

算法题--寻找括号组成的字符串中最长合法子串的长度

'and')',findthelengthofthelongestvalid(well-formed)parenthesessubstring.Example1:Input:"(()"Output:2Explanation
岁月如歌2020·2020-03-04 21:39

637. Average of Levels in Binary Tree

DescriptionGivenanon-emptybinarytree,returntheaveragevalueofthenodesoneachlevelintheformofanarray.Example1:Input:treeOutput:[3,14.5,11]Explanation
Nancyberry·2020-03-03 05:25

637. Average of Levels in Binary Tree

returntheaveragevalueofthenodesoneachlevelintheformofanarray.Example1:Input:3/\920/\157Output:[3,14.5,11]Explanation
caisense·2020-03-02 08:38

怎样应对IT面试与笔试-（十）

DynamicProgramming（动态规划）53.MaximumSubarray最大和子数组（元素连续）例如题目中给出的例子：Input:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation
Ice_Frog·2020-03-02 05:28

Chapter 1 Ⅰ~Ⅴ

Mr.JusticeWargrave,latelyretiredfromthebench,puffedatacigarandrananinterestedeyethroughthepoliticalnewsintheTimes.explanation
草叮·2020-03-01 13:20

414. Third Maximum Number 第三大元素

returnthethirdmaximumnumberinthisarray.Ifitdoesnotexist,returnthemaximumnumber.ThetimecomplexitymustbeinO(n).Example1:Input:[3,2,1]Output:1Explanation
这就是一个随意的名字·2020-02-28 08:03

Leetcode - 494. Target Sum

Example1:Input:numsis[1,1,1,1,1],Sis3.Output:5Explanation:-1+1+1+1+1=3+1-1+1+1+1=3+1+1-1+1+1=3+1+1+1-
KkevinZz·2020-02-26 13:39

Chapter13 Ⅱ~Chapter14 Ⅰ

explanation:abadlybehavedchilde.g.aspoiledbrat2.draughtThedraughtfromthewindowcaughttheflameofthecandle.explanation
草叮·2020-02-24 10:25

LeetCode笔记：637. Average of Levels in Binary Tree

Givenanon-emptybinarytree,returntheaveragevalueofthenodesoneachlevelintheformofanarray.Example1:Input:Output:[3,14.5,11]Explanation
Cloudox_·2020-02-24 07:24

Chapter6 Ⅵ~Ⅳ

desultoryGeneralMacarthurandthejudgehadbeenpacingtheterraceoutside,exchangingdesultorycommentsonthepoliticalsituation.explanation
草叮·2020-02-23 22:34

637. Average of Levels in Binary Tree 二叉树每层平均值

Example1:Input:3/\920/\157Output:[3,14.5,11]Explanation:Theaveragevalueofnodesonlevel0is
这就是一个随意的名字·2020-02-22 19:27

[SwapLine]56. Merge Intervals

mergealloverlappingintervals.Example1:Input:[[1,3],[2,6],[8,10],[15,18]]Output:[[1,6],[8,10],[15,18]]Explanation
野生小熊猫·2020-02-21 22:40

3-longest-substring-without-repeating Characters

*Example1:**Input:*”abcabcbb”*Output:*3*Explanation:*Theansweris“abc”,withthelengtho
wangyuan302·2020-02-21 13:50

BFS

WordLadderInput:beginWord="hit",endWord="cog",wordList=["hot","dot","dog","lot","log","cog"]Output:5Explanation
猛男向前冲冲冲·2020-02-21 08:41

525. Contiguous Array

Givenabinaryarray,findthemaximumlengthofacontiguoussubarraywithequalnumberof0and1.Example1:Input:[0,1]Output:2Explanation
DrunkPian0·2020-02-20 22:46

程序员超实用进阶工具网站整理，让代码创造无限的可能

而且有QuickReference来帮助你记忆正则表达式的规则和Explanation对你的正则表达式进行解释。重要的是，支持直接生成多种语言的代码。
工程狮一图·2020-02-19 03:42

673. Number of Longest Increasing Subsequence

DescriptionGivenanunsortedarrayofintegers,findthenumberoflongestincreasingsubsequence.Example1:Input:[1,3,5,4,7]Output:2Explanation
Nancyberry·2020-02-18 12:36

Largest Palindrome Product

Findthelargestpalindromemadefromtheproductoftwon-digitnumbers.Sincetheresultcouldbeverylarge,youshouldreturnthelargestpalindromemod1337.Example:Input:2Output:987Explanation
Jarhot·2020-02-17 11:41

123 Best Time To Buy And Sell Stock III

Sayyouhaveanarrayforwhichthenumberielementisthepriceofagivenstockondayi.Designanalgorithmtofindthemaximumprofit.Youmaycompleteatmosttwotransactions.Example：Input:[3,3,5,0,0,3,1,4]Output:6Explanation
烟雨醉尘缘·2020-02-16 15:58

647. Palindromic Substrings

最大回文串正好让我回顾一下DP，动态规划比较经典的题目Output:3Explanation:Threepalindromicstrings:"a","b","c".Input:"aaa"Output:
腹黑君·2020-02-16 11:51

96. Unique Binary Search Trees

Example:Input:3Output:5Explanation:Givenn=3,thereareatotalof5uniqueBST's:13321\///\\321132//\\2123思路：
littledy·2020-02-16 11:00

[LC] 451. Sort Characters By Frequency

Givenastring,sortitindecreasingorderbasedonthefrequencyofcharacters.Example1:Input:"tree"Output:"eert"Explanation
xuan_abc·2020-02-16 00:00

32. Longest Valid Parentheses

'and')',findthelengthofthelongestvalid(well-formed)parenthesessubstring.Example1:Input:"(()"Output:2Explanation
hyx1·2020-02-14 20:00

Chapter3 Ⅲ~Chapter4 Ⅲ

scrawlInMissBrent'sletter,thoughthesignatureofthesurnameisamerescrawltheChristiannamesarereasonablyclear...explanation
草叮·2020-02-14 14:15

【leetcode】(python) 56. Merge Intervals解题思路

mergealloverlappingintervals.Example1:Input:[[1,3],[2,6],[8,10],[15,18]]Output:[[1,6],[8,10],[15,18]]Explanation
梦vctor·2020-02-14 09:52

56. Merge Intervals 合并区间

mergealloverlappingintervals.Example1:Input:[[1,3],[2,6],[8,10],[15,18]]Output:[[1,6],[8,10],[15,18]]Explanation
xingzai·2020-02-13 16:52

1343. Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold

Givenanarrayofintegersarrandtwointegerskandthreshold.Returnthenumberofsub-arraysofsizekandaveragegreaterthanorequaltothreshold.Example1:Input:arr=[2,2,2,2,5,5,5,8],k=3,threshold=4Output:3Explanation
Schwifty·2020-02-13 01:00

LeetCode 53. Maximum Subarray

ExampleInput:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation:[4,-1,2,1]hasthelargestsum=6.思路这个题其实解法挺多按时间复杂度从差到优一共有四种
_Zy·2020-02-12 13:57

Add_Two_Numbers python 求解

leetcode传送门例子：Input:(2->4->3)+(5->6->4)Output:7->0->8Explanation:342+465=807.大体意思就是从前向后做加法，逢十进一。
vckah·2020-02-11 18:17

[LeetCode]1281. Subtract the Product and Sum of Digits of an Integer

Givenanintegernumbern,returnthedifferencebetweentheproductofitsdigitsandthesumofitsdigits.Example1:Input:n=234Output:15Explanation
界757·2020-02-11 16:00

96. Unique Binary Search Trees

Example:Input:3Output:5Explanation:Givenn=3,thereareatotalof5uniqueBST's:13321\///\\321132//\\2123解题思路刚看到这一题的时候一点思路没有
随笔随风·2020-02-10 15:34

[LeetCode] 96. Unique Binary Search Trees

例子，Example:Input:3Output:5Explanation:Givenn=3,thereareatotalof5uniqueBST's:13321\///\\321132//\\2123
朝鲜冷面杀手·2020-02-10 13:00

1342. Number of Steps to Reduce a Number to Zero

returnthenumberofstepstoreduceittozero.Ifthecurrentnumberiseven,youhavetodivideitby2,otherwise,youhavetosubtract1fromit.Example1:Input:num=14Output:6Explanation
Schwifty·2020-02-10 06:00

1.24三峡广场GRE全程班 1.29第6节课笔记大纲

LogicalAnalysis逻辑分析Synonymy同义Antonymy反义Causality因果关系Transition转折关系Coordination并列关系Explanation解释关系Synonymy
AndrewWLW·2020-02-09 23:53

2、Add Two Numbers

ExampleInput:(2->4->3)+(5->6->4)Output:7->0->8Explanation:342+465=807.难点1、ListNode的操作。2、考虑进位的问题。
小鲜贝·2020-02-09 21:08

Python微信公众号后台开发<003>：自定义菜单

开发文档：https://developers.weixin.qq.com/doc/offiaccount/Getting_Started/Explanation_of_inte
Python数据分析实战·2020-02-09 13:46

Average of Levels in Binary Tree

returntheaveragevalueofthenodesoneachlevelintheformofanarray.Example1:Input:3/\920/\157Output:[3,14.5,11]Explanation
BLUE_fdf9·2020-02-09 09:08

sqrt(x)

Computeandreturnthesquarerootofx.xisguaranteedtobeanon-negativeinteger.Example:Input:4Output:2Example2:Input:8Output:2Explanation
BLUE_fdf9·2020-02-08 19:06

Sort Characters By Frequency

*Example1:*Input:"tree"Output:"eert"Explanation:'e'appearstwicewhile'r'and't'bothappearonce.So'e'mustappearbeforeboth'r'and't
BLUE_fdf9·2020-02-08 15:34
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