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Subarray
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
·
2020-07-11 00:25
leetcode
leetcode
Maximum Product
Subarray
152.MaximumProductSubarrayGivenanintegerarraynums,findthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestproduct.Example1:Input:[2,3,-2,4]Output:6Explanation:[2,3]hasthela
随时学丫
·
2020-07-11 00:25
leetcode
Shortest Unsorted Continuous
Subarray
题目描述Givenanintegerarray,youneedtofindonecontinuoussubarraythatifyouonlysortthissubarrayinascendingorder,thenthewholearraywillbesortedinascendingorder,too.样例Input:[2,6,4,8,10,9,15]Output:5Explanation:Y
lyoungzzz
·
2020-07-10 18:42
4.1 The maximum-
subarray
problem
4.1.1TheintroductiontothequestionSupposethatyoubeenofferedtheopportunitytoinvestintheVolatileChemicalCorporation.Youareallowedtobuyoneunitofstockonlyonetimeandthensellitatalaterdate,buyingandsellingaf
shejialuo
·
2020-07-10 10:23
算法导论
Minimum Size
Subarray
Sum长度最小的子数组(C语言)
题目描述:给定一个含有n个正整数的数组和一个正整数s,找出该数组中满足其和≥s的长度最小的连续子数组,并返回其长度。如果不存在符合条件的连续子数组,返回0。示例:输入:s=7,nums=[2,3,1,2,4,3]输出:2解释:子数组[4,3]是该条件下的长度最小的连续子数组。进阶:如果你已经完成了O(n)时间复杂度的解法,请尝试O(nlogn)时间复杂度的解法。来源:力扣(LeetCode)链接:
wangqingchuan92
·
2020-07-10 05:04
LeetCode
Maximum Product
Subarray
MaximumProductSubarrayFindthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestproduct.Forexample,giventhearray[2,3,-2,4],thecontiguoussubarray[2,3]hasthelargestproduct=6.这题
luckywqf
·
2020-07-09 19:15
leetcode
Maximum Length of Repeated
Subarray
最长重复子数组
Title给两个整数数组A和B,返回两个数组中公共的、长度最长的子数组的长度。示例1:输入:A:[1,2,3,2,1]B:[3,2,1,4,7]输出:3**解释:**长度最长的公共子数组是[3,2,1]。说明:1int:lengthA,lengthB,ans=len(A),len(B),0foriinrange(lengthA):forjinrange(lengthB):k=0whilei+k
Alex 007
·
2020-07-08 21:14
#
LeetCode
Leetcode-152:乘积最大子序列
思路:这里的子序列是
subarray
,即子数组,是连续的。我们使用三个变量,curMax表示当前最大,curMin表示当前最小,maxres
小北觅
·
2020-07-08 20:00
Maximum
Subarray
python 分治法以后补充
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。classSolution(object):defmaxSubArray(self,nums):"""
新雪兰
·
2020-07-08 19:38
leetcode
python
Maximum
Subarray
求一个给定序列的最大连续子序列和,如[-2,1,-3,4,-1,2,1,-5,4]的最大连续子序列为[4,-1,2,1]这是一个典型的动态规划问题,中文wiki页。publicstaticintmaxSubArray(int[]A){intmaxSoFar=A[0],maxEndingHere=A[0];for(inti=1;i0时dp[i]所表示的最大和可以转化为dp[i-1]+values[i
uzck
·
2020-07-08 11:59
Maximum
Subarray
Givenanarrayofintegers,findacontiguoussubarraywhichhasthelargestsum.**NoticeThesubarrayshouldcontainatleastonenumber.ExampleGiventhearray[−2,2,−3,4,−1,2,1,−5,3],thecontiguoussubarray[4,−1,2,1]hasthela
Leonlong
·
2020-07-08 09:52
【LeetCode】53. 最大子序和 (C++)
原题地址:https://leetcode-cn.com/problems/maximum-
subarray
/description/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(
rabbitsockx
·
2020-07-08 03:32
Leetcode
最长公共子序列(LCS)和最长公共子串长度DP算法
leetCode最长公共子串问题地址:https://leetcode-cn.com/problems/maximum-length-of-repeated-
subarray
/comments/leetCode
布玮
·
2020-07-08 01:14
数据结构与算法
Minimum Size
Subarray
Sum
题目:求数组中和大于某数的最小子数组的长度Givenanarrayofnpositiveintegersandapositiveintegers,findtheminimallengthofacontiguoussubarrayofwhichthesum≥s.Ifthereisn'tone,return0instead.Example:Input:s=7,nums=[2,3,1,2,4,3]Out
凉拌姨妈好吃
·
2020-07-08 01:15
LeetCode974.和可被K整除的子数组
题目来源:https://leetcode-cn.com/problems/
subarray
-sums-divisible-by-k/题目描述:classSolution{publicintsubarraysDivByK
晨初听雨
·
2020-07-08 00:27
LeetCode
Maximum Length of Repeated
Subarray
【Dynamic Programming】
GiventwointegerarraysAandB,returnthemaximumlengthofansubarraythatappearsinbotharrays.Example1:Input:A:[1,2,3,2,1]B:[3,2,1,4,7]Output:3Explanation:Therepeatedsubarraywithmaximumlengthis[3,2,1].Note:1&A
myRealization
·
2020-07-07 17:14
LeetCode
动态规划
Leetcode_581 Shortest Unsorted Continuous
Subarray
给定一个整数数组,你需要寻找一个连续的子数组,如果对这个子数组进行升序排序,那么整个数组都会变为升序排序。你找到的子数组应是最短的,请输出它的长度。示例1:输入:[2,6,4,8,10,9,15]输出:5解释:你只需要对[6,4,8,10,9]进行升序排序,那么整个表都会变为升序排序。说明:输入的数组长度范围在[1,10,000]。输入的数组可能包含重复元素,所以升序的意思是nums[i]:#结束
vcancy
·
2020-07-07 12:44
Maximum
Subarray
(53) - easy
53—MaximumSubarrayGivenanintegerarraynums,findthecontiguoussubarray(containingatleastonenumber)whichhasthelargestsumandreturnitssum.Example1:Input:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation:[4,-1,2,1
Kelly Fu
·
2020-07-07 12:16
Leetcode
Alorithm
C++
动态规划
Maximum Length of Repeated
Subarray
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:1
bowen_wu_
·
2020-07-07 04:15
C++
leetcode
leetcode-----53. 最大子序和
链接:https://leetcode-cn.com/problems/maximum-
subarray
/代码classSolution{public:intmaxSubArray(vector&nums
景云ⁿ
·
2020-07-06 21:00
LeetCode Week2: Maximum
Subarray
、Merge k Sorted Lists
这周主要实现了LeetCodeAlgorithms中的Divide-And-Conquer的题目,这里选择二道题来分析,分别是MaximumSubarray(easy)、MergekSortedLists(Hard)。一、MaximumSubarray题目描述:Findthecontiguoussubarraywithinanarray(containingatleastonenumber)whi
qy05
·
2020-07-06 17:48
LeetCode
【leetcode】718 最长重复子数组(数组,动态规划,二分查找)
题目链接:https://leetcode-cn.com/problems/maximum-length-of-repeated-
subarray
/题目描述给两个整数数组A和B,返回两个数组中公共的、长度最长的子数组的长度
zjwreal
·
2020-07-06 13:26
LeetCode
[leetcode]Maximum
Subarray
(C语言)
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.这道题并不大难,从头
zdavb
·
2020-07-06 12:31
leetcode
LeetCode Maximum
Subarray
LeetCodeMaximumSubarrayFindthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestsum.Forexample,giventhearray[−2,1,−3,4,−1,2,1,−5,4],thecontiguoussubarray[4,−1,2,1]hasthelarg
LarryNLPIR
·
2020-07-06 10:17
ACM-动态规划
LeetCode
leetcode
数据结构与算法
求解最大子数组求连续子数组的最大和一、暴力法:求出所有连续子数组的和,比较大小时间复杂度为O(n^2)#includeusingnamespacestd;//暴力法:算出所有子数组的和,比较int*FIND_MAXIMUN_
SUBARRAY
彼岸花
·
2020-07-06 05:01
c++
算法
算法强化班小结
//j代表的是
subarray
右断点的index+1的位置。
fwu11
·
2020-07-06 04:36
算法班笔记
leetcode Maximum
Subarray
MaximumSubarray题目详情:Findthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestsum.Forexample,giventhearray[-2,1,-3,4,-1,2,1,-5,4],thecontiguoussubarray[4,-1,2,1]hasthelargest
漫漫进化之路
·
2020-07-06 02:20
编程语言
算法
53 Maximum
Subarray
title:MaximumSubarraytags:-maximum-
subarray
-No.53-simple-divide-conquer-mathematical-analysisProblemGivenanintegerarraynums
yangminz
·
2020-07-06 02:17
LeetCode 907 题解
https://leetcode.com/problems/sum-of-
subarray
-minimums/description/题目大意:求连续子序列中最小值的和。
mEihUAlU233
·
2020-07-05 16:30
leetcode
LeetCode——Maximum
Subarray
Givenanintegerarraynums,findthecontiguoussubarray(containingatleastonenumber)whichhasthelargestsumandreturnitssum.Example:Input:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation:[4,-1,2,1]hasthelargestsum=6
yjfanling
·
2020-07-05 12:11
算法
Leetcode 53. 最大子序和
Leetcode53.最大子序和1、问题分析2、问题解决3、总结1、问题分析题目链接:https://leetcode-cn.com/problems/maximum-
subarray
/ 本质上就是一个动态规划问题
武汉加油、中国加油
·
2020-07-05 04:41
LeetCode
Hot100
Maximum
Subarray
题目大意:有一数组,找到其中连续的子串,使其的和最大,其中子串至少有一个数字。也就是最大子串和。解决思路:维护一个最大值maxnmaxnmaxn和一个和值sumsumsum。sumsumsum计算前几个数字的和。因为这些数字有正数与负数,因此sumsumsum就有可能是正数,0和负数。如果已经是负数了,就没有必要再加了,即使后面的是正数。因为抛弃掉前面的负数,重新开始加上后面的正数,sumsums
度凡心
·
2020-07-05 04:34
算法
LeetCode
Shortest Unsorted Continuous
Subarray
最短无序连续子数组
给定一个整数数组,你需要寻找一个连续的子数组,如果对这个子数组进行升序排序,那么整个数组都会变为升序排序。你找到的子数组应是最短的,请输出它的长度。示例1:输入:[2,6,4,8,10,9,15]输出:5解释:你只需要对[6,4,8,10,9]进行升序排序,那么整个表都会变为升序排序。说明:输入的数组长度范围在[1,10,000]。输入的数组可能包含重复元素,所以升序的意思是&nums){if(n
麦田里的哈士奇
·
2020-07-05 03:11
算法
leetcode
Leetcode Maximum
Subarray
经典最大子串和问题,要求用两种方法实现:1、Kadane算法,复杂度O(n);2、分治法,复杂度O(nlogn)。1、Kadane算法:代码比较简单,但是理解需要时间。初始化ans为0,每次用ans加上A[i]的值,并更新最大值,如果遇到ans=low;i--){tmp+=A[i];if(tmp>mmax)mmax=tmp;}tmp=mmax;for(inti=mid+1;immax)mmax=t
xshengh
·
2020-07-05 02:51
Leectcode
Maximum
Subarray
--Divide and Conquer(分治法)
题目链接53.MaximumSubarrayFindthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestsum.Forexample,giventhearray[-2,1,-3,4,-1,2,1,-5,4],thecontiguoussubarray[4,-1,2,1]hasthelarge
monkey_rose
·
2020-07-05 00:08
LeetCode
[leetcode]-523-Continuous
Subarray
Sum
题目:Givenalistofnon-negativenumbersandatargetintegerk,writeafunctiontocheckifthearrayhasacontinuoussubarrayofsizeatleast2thatsumsuptoamultipleofk,thatis,sumsupton*kwherenisalsoaninteger.Example1:Input:
ljh0302
·
2020-07-04 22:18
算法
leetcode
笔试面试题
LeetCode | Maximum
Subarray
题目:Findthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestsum.Forexample,giventhearray[−2,1,−3,4,−1,2,1,−5,4],thecontiguoussubarray[4,−1,2,1]hasthelargestsum=6.思路:思路1:O(n2
Allanxl
·
2020-07-04 21:25
LeetCode
LeetCode题解
Maximum Product
Subarray
(最大乘积)
原题网址:https://leetcode.com/problems/maximum-product-
subarray
/Findthecontiguoussubarraywithinanarray(containingatleastonenumber
jmspan
·
2020-07-04 20:17
数组
乘积
最值
分段
切分指针
分段指针
单个指针
Codeforces Round #632 (Div. 2)C. D.F题解
#CodeforcesRound#632(Div.2)C.D.F题解#比赛链接C-Eugeneandanarray题意:求一个array的有多少
subarray
是good的,
subarray
定义为子串,
gzr2018
·
2020-07-04 17:24
leetcode:max
subArray
key:用贪心法。由于一定要包含一个值,从当前位置考虑,要得到最大值,要么加上前面的,要么不加前面的。dp[i]=num[i]+dp[i-1]>0?dp[i-1]:0;intmaxSubArray(intA[],intn){vectordp(n);dp[0]=A[0];intres=dp[0];for(inti=1;i
kotomi_du
·
2020-07-04 16:40
算法
js实现最大子序和--力扣
目录1问题2输入输出3解法1)贪心方法2)动态规划3)动态规划空间优化4代码1问题https://leetcode-cn.com/problems/maximum-
subarray
/给定一个整数数组nums
bailizx
·
2020-07-04 10:25
#
动态规划
#
贪心算法
#
力扣top
LeetCode 最长重复子数组 Maximum Length of Repeated
Subarray
给两个整数数组A和B,返回两个数组中公共的、长度最长的子数组的长度。示例1:输入:A:[1,2,3,2,1]B:[3,2,1,4,7]输出:3解释:长度最长的公共子数组是[3,2,1]。说明:1<=len(A),len(B)<=10000<=A[i],B[i]<10解法,这是一道经典的动态规划算法,如下:publicclassMaxLengthRepeatedSubarray{//动态规划算法pu
扎克begod
·
2020-07-04 10:03
LeetCode
LeetCode--Python解析【Maximum
Subarray
】(53)
题目:方法:这道题虽然是easytag,但是从编程思想上来说还是有一定难度,参考了别人的算法进行完成。算法时间复杂度为O(n),一次遍历数组,对数组进行累加的操作。需要维护两个变量,分别为局部最优curr_sum,和全局最优max_sum。遍历数组时,从第一个元素开始累加,并赋值给局部最优curr_sum,当局部最优为负数时,可放弃对应子串,重置局部最优为0。每一次计算出新的局部最优时,与当前全局
zjrn
·
2020-07-04 09:41
LeetCode
[LeetCode]53.Maximum
Subarray
【题目】Findthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestsum.Forexample,giventhearray[−2,1,−3,4,−1,2,1,−5,4],thecontiguoussubarray[4,−1,2,1]hasthelargestsum=6.clicktosho
SunnyYoona
·
2020-07-04 08:41
leetCode 53.Maximum
Subarray
一、题目Findthecontiguoussubarraywithinanarray(containingatleastonenumber)whichhasthelargestsum.Forexample,giventhearray[−2,1,−3,4,−1,2,1,−5,4],thecontiguoussubarray[4,−1,2,1]hasthelargestsum=6.Morepracti
ArthurZhang_
·
2020-07-04 02:51
DP
LeetCode
Maximum
Subarray
(E)
MaximumSubarray(E)题目Givenanintegerarraynums,findthecontiguoussubarray(containingatleastonenumber)whichhasthelargestsumandreturnitssum.Example:Input:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation:[4,-1,2,
墨云黑
·
2020-07-03 01:00
LeetCode-Longest Continuous Increasing Subsequence
Description:Givenanunsortedarrayofintegers,findthelengthoflongestcontinuousincreasingsubsequence(
subarray
BeHelium
·
2020-07-02 16:06
LeetCode
leetcode------523. 连续的子数组和[1]
题目描述:https://leetcode-cn.com/problems/continuous-
subarray
-sum/description/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
qiang_____0712
·
2020-07-02 15:29
程序片段
ACM
Maximum
Subarray
Sum with One Deletion【动态规划】中等
Givenanarrayofintegers,returnthemaximumsumforanon-emptysubarray(contiguouselements)withatmostoneelementdeletion.Inotherwords,youwanttochooseasubarrayandoptionallydeleteoneelementfromitsothatthereissti
myRealization
·
2020-07-02 12:32
LeetCode
动态规划
Maximum
Subarray
【动态规划】简单
Givenanintegerarraynums,findthecontiguoussubarray(containingatleastonenumber)whichhasthelargestsumandreturnitssum.Example:Input:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation:[4,-1,2,1]hasthelargestsum=6
myRealization
·
2020-07-02 12:32
LeetCode
动态规划
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