Subarray

Maximum Subarray】

Givenanintegerarray nums,findthecontiguoussubarray (containingatleastonenumber)whichhasthelargestsumandreturnitssum.Example:Input:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation: [4,-1,2,1]hasthelargestsu
肖冬禹想要拿OFFER·2019-04-10 12:28

Leetcode之523-连续的子数组和(Continuous Subarray Sum)

前言个人网站公众号:北京程序猿,网站:https://yaml.vip算法题题干给定一个包含非负数的数组和一个目标整数k,编写一个函数来判断该数组是否含有连续的子数组,其大小至少为2,总和为k的倍数，即总和为n*k,其中n也是一个整数。说明数组的长度不会超过10,000。你可以认为所有数字总和在32位有符号整数范围内。示例示例1:输入:[23,2,4,6,7],k=6输出:True解释:[2,4]
北京程序猿·2019-03-21 17:08

674. Longest Continuous Increasing Subsequence

ProblemGivenanunsortedarrayofintegers,findthelengthoflongestcontinuousincreasingsubsequence(subarray)
donaldlo·2019-03-01 15:13

最大子序和(Maximum Subarray)】

嗯。。。过完春节了，开始捡起学习的进程（真香）。。。开始看mooc浙大的数据结构与算法（姥姥版）C++我之前稍微接触了一点点，也仅仅是学到函数部分，唉，刷题不易，要是能刷过PAT的顶级，估计离合格的程序员也不远了吧？总之。。。。新的一年，新的作死！第一种解法：豹腻解法2classSolution:defmaxSubArray(self,nums):""":typenums:List[int]:rt
Aaron_7906·2019-02-12 18:23

LeetCode 862 Shortest Subarray with Sum at Least K (单调队列 推荐)

Returnthelengthoftheshortest,non-empty,contiguoussubarrayofAwithsumatleastK.Ifthereisnonon-emptysubarraywithsumatleastK,return-1.Example1:Input:A=[1],K=1Output:1Example2:Input:A=[1,2],K=4Output:-1Exam
_TCgogogo_·2019-02-12 14:52

【Leetcode_总结】643. 子数组最大平均数 I - python

6,50,3],k=4输出:12.75解释:最大平均数(12-5-6+50)/4=51/4=12.75链接：https://leetcode-cn.com/problems/maximum-average-subarray-i
Maka_uir·2019-02-04 21:33

【LeetCode】Maximum Subarray(最大子序和)

这道题是LeetCode里的第53道题。题目描述：给定一个整数数组nums，找到一个具有最大和的连续子数组（子数组最少包含一个元素），返回其最大和。示例:输入:[-2,1,-3,4,-1,2,1,-5,4],输出:6解释: 连续子数组 [4,-1,2,1]的和最大，为 6。进阶:如果你已经实现复杂度为O(n)的解法，尝试使用更为精妙的分治法求解。简单的动态规划题，如果之前接触过动态规划的话很容易得
1000sakura·2019-01-29 20:31

【Leetcode 题中总结的编程思维】Maximum Product Subarray，最大乘积子序列

152.MaximumProductSubarrayMedium167677FavoriteShareGivenanintegerarraynums,findthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestproduct.Example1:Input:[2,3,-2,4]Output:6
hkzmz·2019-01-27 21:17

Subarray Sum Equals K @ python

原题Givenanarrayofintegersandanintegerk,youneedtofindthetotalnumberofcontinuoussubarrayswhosesumequalstok.Example1:Input:nums=[1,1,1],k=2Output:2Note:Thelengthofthearrayisinrange[1,20,000].Therangeofnum
闲庭信步的空间·2019-01-26 07:56

Maximum Length of Repeated Subarray(week14)

题目描述GiventwointegerarraysAandB,returnthemaximumlengthofansubarraythatappearsinbotharrays.Example1:Input:A:[1,2,3,2,1]B:[3,2,1,4,7]Output:3Explanation:Therepeatedsubarraywithmaximumlengthis[3,2,1].Note
piubiupiu·2019-01-15 11:42

Shortest Subarray with Sum at Least K 解题报告（C++）

fuxuemingzhu个人博客：http://fuxuemingzhu.cn/目录题目描述题目大意解题方法队列日期题目地址：https://leetcode.com/problems/shortest-subarray-with-sum-at-least-k
负雪明烛·2018-12-20 10:32

Subarray Sum Equals K (和为K的子数组)

原题Givenanarrayofintegersandanintegerk,youneedtofindthetotalnumberofcontinuoussubarrayswhosesumequalstok.Example1:Input:nums=[1,1,1],k=2Output:2Note:Thelengthofthearrayisinrange[1,20,000].Therangeofnum
dby_freedom·2018-12-18 23:27

Shortest Unsorted Continuous Subarray（easy）

581.ShortestUnsortedContinuousSubarray（easy）Givenanintegerarray,youneedtofindonecontinuoussubarraythatifyouonlysortthissubarrayinascendingorder,thenthewholearraywillbesortedinascendingorder,too.Younee
momottyy·2018-12-16 15:17

Maximum Subarray

53.MaximumSubarrayGivenanintegerarraynums,findthecontiguoussubarray(containingatleastonenumber)whichhasthelargestsumandreturnitssum.Example:Input:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation:[4,-1,2,1]
随时学丫·2018-12-15 23:46

53-最大子序和-Java&python

1、题目https://leetcode-cn.com/problems/maximum-subarray/submissions/给定一个整数数组nums，找到一个具有最大和的连续子数组（子数组最少包含一个元素
Abecky·2018-12-11 22:58

《算法设计与分析》第十三周作业

第十三周作业@[toc]题目概要思路具体实现心得源码：姓名：李**学号：16340114题目：MaximumSubarray（https://leetcode.com/problems/maximum-subarray
Ray0758·2018-12-02 21:32

Shortest Subarray with Sum at Least K

下面给出题目地址：https://leetcode.com/problems/shortest-subarray-with-sum-at-least-k/这道题的大意是给定一个整数序列，求一个最短的连续非空的子序列
dicecaster·2018-11-29 10:33

Shortest Subarray with Sum at Least K

ProblemReturnthelengthoftheshortest,non-empty,contiguoussubarrayofAwithsumatleastK.Ifthereisnonon-emptysubarraywithsumatleastK,return-1.Example1:Input:A=[1],K=1Output:1Example2:Input:A=[1,2],K=4Output
linspiration·2018-11-26 00:00

ArrayUtils使用详解

将一个数组转换成Map,如果数组里是Entry则其Key与Value就是新Map的Key和Value,如果是Object[]则Object[0]为KeyObject[1]为Valueclone拷贝数组subarray
garfielder007·2018-11-02 15:48

【动态规划】Subarray Sum Equals K-子数组和为K

题目描述：给定一个整数数组和一个整数k，你需要找到该数组中和为k的子数组。如果存在该子数组返回true，否则返回false。输入输出：input：{3，34，4,12，5,2}output：true解题思路：（1）最优子结构（2）状态转移方程（3）边界条件情况1：如果s=0时，直接返回true。情况2：当指针到数组下标为0的时候，判断arr[0]是否等于s。情况3：当arr[i]大于s时，我们就不
Microstrong0305·2018-11-01 22:52

Maximum Subarray

我的相关文章：【1】牛客网在线编程专题《剑指offer-面试题31》连续子数组的最大和53.MaximumSubarrayDescription:Givenanintegerarraynums,findthecontiguoussubarray(containingatleastonenumber)whichhasthelargestsumandreturnitssum.Example:Input
Microstrong0305·2018-11-01 16:36

Minimum Size Subarray Sum

ExploreProblemsMockContestArticlesDiscussStorePremium74348209.MinimumSizeSubarraySumDescriptionHintsSubmissionsDiscussSolutionPickOneGivenanarrayofnpositiveintegersandapositiveintegers,findtheminimall
lifeqiuzhi521·2018-10-13 12:17

[LeetCode] 674. Longest Continuous Increasing Subsequence

ProblemGivenanunsortedarrayofintegers,findthelengthoflongestcontinuousincreasingsubsequence(subarray)
linspiration·2018-10-09 00:00

LeetCode #862 Shortest Subarray with Sum at Least K

文章目录题目分析过程暴力求解寻找优化由end寻找begin结语题目ShortestSubarraywithSumatLeastKReturnthelengthoftheshortest,non-empty,contiguoussubarrayofAwithsumatleastK.Ifthereisnonon-emptysubarraywithsumatleastK,return-1.Example
SquirrelYuyu·2018-10-08 10:15

Maximum Subarray

53.MaximumSubarray题目https://leetcode.com/problems/maximum-subarray/description/给出一个整数数组，要求找到最大和子串（至少包含一个数字
hoohaa_·2018-09-20 21:00

Subarray Sum Equals K 解题报告（Python）

作者：负雪明烛id：fuxuemingzhu个人博客：http://fuxuemingzhu.cn/目录题目描述题目大意解题方法日期题目地址：https://leetcode.com/problems/subarray-sum-equals-k
负雪明烛·2018-09-19 09:15

leetcode 53 Maximum Subarray (思路难！归纳法分治法）

Givenanintegerarraynums,findthecontiguoussubarray(containingatleastonenumber)whichhasthelargestsumandreturnitssum.Example:Input:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation:[4,-1,2,1]hasthelargestsum=6
DurianPudding·2018-09-18 21:38

Sum of Subarray Minimums解题思路

题目大意是:将各个连续子数组的最小值累加,求个和值.总体解题思路:(1)求出每个元素,在所有子数组中成为最小值的数量.(2)元素值乘以数量,再累加求和.详细解题思路:(1)求出各个元素的左边界.(2)求出各个元素的右边界.(3)在左边界内取一个位置(C左1)乘以在右边界内取一个位置(C右1).(4)注意相等的位置不能重复计算.实现代码如下:classSolution{public:intsumSu
dong_beijing·2018-09-16 23:16

LeetCode------Maximum SubArray

解法1分治法DivideandConquerApproach来解，这个分治法的思想就类似于二分搜索法，我们需要把数组一分为二，分别找出左边和右边的最大子数组之和，然后还要从中间开始向左右分别扫描，求出的最大值分别和左右两边得出的最大值相比较取最大的那一个，代码如下：/**分治法的思想就类似于二分搜索法，我们需要把数组一分为二，*分别找出左边和右边的最大子数组之和，然后还要从中间开始向左右分别扫描，
zhumqs·2018-09-06 20:52

最大子数组问题

最大子数组问题本文只是做一个记录，更细致的思路请查看算法导论最大子数组结构体typedefstruct{intlow,high,sum;}SubArray;暴力求解计算所有的数组区间的和进而得到最大的子数组
小胖西瓜·2018-09-01 20:00

Continuous Subarray Sum C++

自己开发的博客网站，欢迎访问https://www.weiboke.online#523.ContinuousSubarraySumGivenalistofnon-negativenumbersandatargetintegerk,writeafunctiontocheckifthearrayhasacontinuoussubarrayofsizeatleast2thatsumsuptothemu
WX_ming·2018-08-29 16:30

Minimum Size Subarray Sum

Givenanarrayofnpositiveintegersandapositiveintegers,findtheminimallengthofacontiguoussubarrayofwhichthesum≥s.Ifthereisn'tone,return0instead.Example:Input:s=7,nums=[2,3,1,2,4,3]Output:2Explanation:thes
lpy1990·2018-08-29 00:00

Maximum Subarray

题目Givenanintegerarraynums,findthecontiguoussubarray(containingatleastonenumber)whichhasthelargestsumandreturnitssum.Example:Input:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation:[4,-1,2,1]hasthelargestsum
njim3·2018-08-22 17:35

Continuous Subarray Sum

[leetcode]ContinuousSubarraySum链接：https://leetcode.com/problems/continuous-subarray-sum/description/QuestionGivenalistofnon-negativenumbersandatargetintegerk
Charles-Liu·2018-08-08 22:42

Shortest Subarray with Sum at Least K - Python

问题描述：和至少为K的最短子数组返回A的最短的非空连续子数组的长度，该子数组的和至少为K。如果没有和至少为K的非空子数组，返回-1。示例1：输入：A=[1],K=1输出：1示例2：输入：A=[1,2],K=4输出：-1示例3：输入：A=[2,-1,2],K=3输出：3提示：1=1的，也就是说k>0，后面会用到。（2）设，dp[i]=A[0]+A[1]+...+A[i-1]，就是dp[i]=列表第i
GorillaNotes·2018-07-07 21:12

Maximum Subarray

Givenanintegerarraynums,findthecontiguoussubarray(containingatleastonenumber)whichhasthelargestsumandreturnitssum.Example:Input:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation: [4,-1,2,1]hasthelargestsum=
cx1165597739·2018-07-03 22:09

Shortest Subarray with Sum at Least K

LeetCode:862.ShortestSubarraywithSumatLeastK题目描述Returnthelengthoftheshortest,non-empty,contiguoussubarrayofAwithsumatleastK.Ifthereisnonon-emptysubarraywithsumatleastK,return-1.Example1:Input:A=[1],K=
杨领well·2018-07-01 17:17

Maximum Subarray

使用分治法需满足的条件原问题可以分解为若干个规模较小的子问题子问题互相独立子问题的解合并处理后可得到原问题的解LeetCode-53:Maximumsubarray给定一个整数数组nums，找到一个具有最大和的连续子数组（子数组最少包含一个元素），返回其最大和。示例:输入:[-2,1,-3,4,-1,2,1,-5,4],输出:6解释:连续子数组[4,-1,2,1]的和最大，为6普通O(n)暴力求解
haixwang·2018-06-27 17:18

动态规划法（八）最大子数组问题（maximum subarray problem）

问题简介  本文将介绍计算机算法中的经典问题——最大子数组问题（maximumsubarrayproblem）。所谓的最大子数组问题，指的是：给定一个数组A，寻找A的和最大的非空连续子数组。比如，数组A=[-2,-3,4,-1,-2,1,5,-3]，最大子数组应为[4,-1,-2,1,5],其和为7。  首先，如果A中的元素全部为正（或非负数），则最大子数组就是它本身；如果A中的元素全部为负，则最
jclian91·2018-06-06 00:00

Subarray Sum Equals K

Givenanarrayofintegersandanintegerk,youneedtofindthetotalnumberofcontinuoussubarrayswhosesumequalstok.Example1:Input:nums=[1,1,1],k=2Output:2Note:Thelengthofthearrayisinrange[1,20,000].Therangeofnumbe
无名_1989·2018-05-28 09:13

LeetCode刷题之Maximum Subarray

ProblemFindthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestsum.Forexample,giventhearray[-2,1,-3,4,-1,2,1,-5,4],thecontiguoussubarray[4,-1,2,1]hasthelargestsum=6.MySolut
JRTx·2018-04-11 22:37

Shortest Unsorted Continuous Subarray python

给定一个整数数组，你需要找到一个连续的子数组，如果你只按升序对这个子数组进行排序，那么整个数组也将按照升序排序。你需要找到最短的这种子阵列并输出它的长度。排序后比对不相同的数段classSolution(object):deffindUnsortedSubarray(self,nums):""":typenums:List[int]:rtype:int"""s=e=-1snums=sorted(n
Adamoptimization·2018-04-11 15:05

Maximum Product Subarray

DescriptionFindthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestproduct.Forexample,giventhearray[2,3,-2,4],thecontiguoussubarray[2,3]hasthelargestproduct=6.SolutionDP,ti
Nancyberry·2018-04-07 03:44

Shortest Unsorted Continuous Subarray [python]

题目：Givenanintegerarray,youneedtofindonecontinuoussubarraythatifyouonlysortthissubarrayinascendingorder,thenthewholearraywillbesortedinascendingorder,too.Youneedtofindtheshortestsuchsubarrayandoutputit
茨威格的小胡子·2018-03-28 20:59

Maximum Length of Repeated Subarray

DescriptionGiventwointegerarraysAandB,returnthemaximumlengthofansubarraythatappearsinbotharrays.Example1:Input:A:[1,2,3,2,1]B:[3,2,1,4,7]Output:3Explanation:Therepeatedsubarraywithmaximumlengthis[3,2,
Nancyberry·2018-03-20 05:03

算法刷题：LeetCode中常见的动态规划题目

动态规划刷题笔记53.MaximumSubarray原题链接地址：https://leetcode.com/problems/maximum-subarray/description/题目描述Findthecontiguoussubarraywithinanarray
梅森上校·2018-03-04 20:29

Maximum Subarray

问题描述：Findthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestsum.Forexample,giventhearray[-2,1,-3,4,-1,2,1,-5,4],thecontiguoussubarray[4,-1,2,1]hasthelargestsum=6.解题思路：简单的动
牛奶芝麻·2018-02-28 16:41

[LeetCode] Maximum Subarray

ProblemFindthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestsum.ExampleForexample,giventhearray[-2,1,-3,4,-1,2,1,-5,4],thecontiguoussubarray[4,-1,2,1]hasthelargestsum=6.
linspiration·2018-01-15 00:00

Maximum Subarray

问题Findthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestsum.Forexample,giventhearray[-2,1,-3,4,-1,2,1,-5,4],thecontiguoussubarray[4,-1,2,1]hasthelargestsum=6.描述这道题是找到数组中的
酸酸甜甜丨丨秀逗·2018-01-12 11:45

Shortest Unsorted Continuous Subarray

Givenanintegerarray,youneedtofindonecontinuoussubarraythatifyouonlysortthissubarrayinascendingorder,thenthewholearraywillbesortedinascendingorder,too.Youneedtofindtheshortestsuchsubarrayandoutputitsle
leoe_·2018-01-10 18:25
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