3Sum

16. 3Sum Closest

GivenanarraySofnintegers,findthreeintegersinSsuchthatthesumisclosesttoagivennumber,target.Returnthesumofthethreeintegers.Youmayassumethateachinputwouldhaveexactlyonesolution.Forexample,givenarrayS={-1
greatfulltime·2020-04-12 08:37

15. 3Sum

GivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.Forexample,givenarrayS=[-1,0,1
Jeanz·2020-04-12 04:05

15. 3Sum

DescriptionGivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.SolutionThree-point
Nancyberry·2020-04-09 18:20

LeetCode 16. 3Sum Closest

16.3SumClosestGivenanarraySofnintegers,findthreeintegersinSsuchthatthesumisclosesttoagivennumber,target.Returnthesumofthethreeintegers.Youmayassumethateachinputwouldhaveexactlyonesolution.Forexample,g
关玮琳linSir·2020-04-07 23:35

#16 3Sum Closest

问题：GivenanarraySofnintegers,findthreeintegersinSsuchthatthesumisclosesttoagivennumber,target.Returnthesumofthethreeintegers.Youmayassumethateachinputwouldhaveexactlyonesolution.Forexample,givenarrayS=
insoPlus·2020-04-07 02:14

15. 三数之和

地址:https://leetcode-cn.com/problems/3sum/0&&$nums[$i]==$nums[$i-1])continue;$left=$i+1;$right=count($
花花妹子。·2020-04-06 22:00

15. 3Sum

题目：题目解析：简单来说，就是三个数相加等于0，找出所有的无重复的组合。思路：开始想的很简单，先把所有的的都找出来然后再进行去重复。然后具体实现起来，就只会用for循环来实现，简直宛如一只ZZ，哎……代码：classSolution{publicList>threeSum(int[]nums){List>result=newArrayList>();if(nums.length==0)return
夏臻Rock·2020-04-06 15:01

16. 3Sum Closest

classSolution(object):defthreeSumClosest(self,nums,target):""":typenums:List[int]:typetarget:int:rtype:int"""result,diff=0,sys.maxintnums.sort()foriinxrange(0,len(nums)-2):ifi>0andnums[i]==nums[i-1]:c
阿团相信梦想都能实现·2020-04-06 05:27

Leetcode 3sum

ProblemGivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Leetcode3sumThink[a,b,c]独一性是这个问题中比较难以解决的问题，使用列表哈希可以解决这个问题。假设[a,b,c]是按照从小到大
AlexSun1995·2020-04-05 20:12

Leetcode 16. 3Sum Closest

题目GivenanarraySofnintegers,findthreeintegersinSsuchthatthesumisclosesttoagivennumber,target.Returnthesumofthethreeintegers.Youmayassumethateachinputwouldhaveexactlyonesolution.Forexample,givenarrayS={
persistent100·2020-04-05 04:51

LeetCode 15. 3Sum

题目给出一个有n个整数的数组S，在S中找到三个整数a,b,c，找到所有使得a+b+c=0的三元组。注意事项在三元组(a,b,c)，要求a>threeSum(int[]nums){//先将数组排序，由小到大，然后依次从第一个元素开始，两根指针，一头一尾遍历，如果找到等于target也就是0的就add进结果。//判断边界情况，当nums为空或者null的时候if(nums==null||nums.le
六尺帐篷·2020-04-03 16:52

LeetCode 15. 3Sum

GivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.Forexample,givenarrayS=[-1,0,1
关玮琳linSir·2020-04-02 18:21

leetcode 15 3Sum

Question：GivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Elementsinatriplet(a,b,c)mustbeinnon-descendingorder.(ie,a≤b≤c)Thes
yangqi916·2020-04-01 09:46

[Leetcode] 1. Two Sum 两数之和

RelatedTopics：[Array][HashTable]SimilarQuestions[3Sum][4Sum][TwoSumII-Inputarrayissorted][TwoSumIII-Datastructuredesign
lijia069·2020-03-29 15:49

3Sum

题目:GivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.Example:S=[-1,0,1,2,-1,-4],
BLUE_fdf9·2020-03-28 13:06

16. 3Sum Closest

题目GivenanarraySofnintegers,findthreeintegersinSsuchthatthesumisclosesttoagivennumber,target.Returnthesumofthethreeintegers.Youmayassumethateachinputwouldhaveexactlyonesolution.Forexample,givenarrayS={
Al73r·2020-03-28 11:28

Leetcode 16 3Sum Closest

描述GivenanarraySofnintegers,findthreeintegersinSsuchthatthesumisclosesttoagivennumber,target.Returnthesumofthethreeintegers.Youmayassumethateachinputwouldhaveexactlyonesolution.Forexample,givenarrayS={
AlexSun1995·2020-03-27 01:54

15. 3Sum

题目描述：给定一个有n个整数的数组S，找到其中所有由三个数a、b、c组成，使得a+b+c=0的三元组。如：givenarrayS=[-1,0,1,2,-1,-4],Asolutionsetis:[[-1,0,1],[-1,-1,2]]分析：3个数的和为定值，三重循环肯定可以解决，但复杂度太高。可以先排序，然后在一遍遍历中两边夹。时间复杂度O(n^2)，空间O(1)。这个思路可推广到k-sum，都是
Nautilus1·2020-03-26 14:37

15+18、3Sum 4Sum

15、3SumExamplegivenarrayS={-1012-1-4},Asolutionsetis:(-1,0,1)(-1,-1,2)复杂度时间O(N^2)空间O(1)思路双指针法3Sum其实可以转化成一个
小鲜贝·2020-03-24 01:40

leetcode 16. 3Sum Closest

题目描述GivenanarraySofnintegers,findthreeintegersinSsuchthatthesumisclosesttoagivennumber,target.Returnthesumofthethreeintegers.Youmayassumethateachinputwouldhaveexactlyonesolution.Forexample,givenarrayS
云胡_·2020-03-22 21:50

python遇上LeetCode：3sum问题

题目来源注意点：hash方式的利用预先对数组进行排序如何对结果进行去重源码如下：classSolution:defthreeSum(self,nums:List[int])->List[List[int]]:nums.sort()res=[]rec_set=set()foriinrange(len(nums)):ifi>0andnums[i]==nums[i-1]:#去重1continuecur_
DATA_KENGOU·2020-03-20 12:48

15. 3Sum

GivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.Forexample,givenarrayS=[-1,0,1
sherwin29·2020-03-19 18:15

X sum 类型题解题套路

Xsum类型题解题套路刷leetcode大概碰到的第一道就是TwoSum了，当时迅速解完的一丝得意，不过也在后面看到3Sum，4Sum以后被耗光了，实际上，这类题是遵循某种规律的，下面就详细来说说。
yuruilee·2020-03-19 00:53

3Sum Closest(最接近的三数之和)

http://www.lintcode.com/en/problem/3sum-closest/?rand=truepublicclassSolution{/**@paramnumbers:Giveanarraynumbersofninteger*@paramtarget:Aninteger*@return:returnthesumofthethreeintegers,thesumclosestt
天街孤独·2020-03-16 23:47

leetcode sum

假设唯一解例如：[2,7,11,15],target=9return[0,1]思路：两遍for循环遍历，但复杂度过高先设置一个对象，key为nums[i],value为i，然后遍历一遍即可，3sum就先设置对象
飞飞廉·2020-03-16 07:01

[Leetcode]18. 4Sum

--喜剧之王这道题是3sum的衍生题，解题思路相似，基本没有了之前那个题的难度，不过还是要注意，四个数去重的问题。
炭烧熊猫·2020-03-13 11:08

3Sum Closest

GivenanarraySofnintegers,findthreeintegersinSsuchthatthesumisclosesttoagivennumber,target.Returnthesumofthethreeintegers.Youmayassumethateachinputwouldhaveexactlyonesolution.Forexample,givenarrayS={-1
Leonlong·2020-03-12 00:45

#15 3Sum

问题：GivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.Forexample,givenarrayS=[-1,
insoPlus·2020-03-11 02:37

LeetCode-15 - 3Sum

GivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.Forexample,givenarrayS=[-1,0,1
空即是色即是色即是空·2020-03-07 01:22

LeetCode 15 [3Sum]

原题给出一个有n个整数的数组S，在S中找到三个整数a,b,c，找到所有使得a+b+c=0的三元组。如S={-1012-1-4},你需要返回的三元组集合的是：(-1,0,1)(-1,-1,2)在三元组(a,b,c)，要求atarget:right-=1else:left+=1returnres
Jason_Yuan·2020-03-05 09:46

15. 3Sum

classSolution(object):defthreeSum(self,nums):""":typenums:List[int]:rtype:List[List[int]]"""iflen(nums)0andv==nums[i-1]:continued={}forxinnums[i+1:]:ifxnotind:d[-v-x]=2;else:res.add((v,-v-x,x))returnm
阿团相信梦想都能实现·2020-03-04 21:20

16. 3Sum Closest

DescriptionGivenanarraySofnintegers,findthreeintegersinSsuchthatthesumisclosesttoagivennumber,target.Returnthesumofthethreeintegers.Youmayassumethateachinputwouldhaveexactlyonesolution.Forexample,give
Nancyberry·2020-03-04 06:45

如何稳定地做个渣渣2

LC18.4Sum与上一篇的2Sum和3Sum同类型，求所有相加等于0的四个数的组合。思路一样的。先排序，然后夹逼。没什么坑，不细说了。
SherlockZhou·2020-03-02 09:48

一道Leetcode(1) 3Sum

Array015.3SumGivenanarraynumsofnintegers,arethereelementsinnumssuchthat?Findalluniquetripletsinthearraywhichgivesthesumofzero.即：找到数组中的子集，这些子集满足：1.长度为32.元素相加为03.uniqueSolutions首先想到的最蠢的方法，利用三个for循环取出所有元
失业生1981·2020-03-01 20:32

3Sum

标签（空格分隔）：C++算法LetCode数组每日算法——letcode系列问题LongestCommonPrefixDifficulty:MediumGivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:
CarlBlack·2020-02-29 05:13

leetcode #15 3Sum

GivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.Forexample,givenarrayS=[-1,0,1
huntriver·2020-02-28 02:30

LeetCode_15 三数之和 （数组题）

题目地址：https://leetcode-cn.com/problems/3sum/题目：给定一个包含n个整数的数组nums，判断nums中是否存在三个元素a，b，c，使得a+b+c=0？
monkey01·2020-02-28 01:18

LeetCode 三数之和

三数之和题目来源：https://leetcode-cn.com/problems/3sum题目给定一个包含n个整数的数组nums，判断nums中是否存在三个元素a，b，c，使得a+b+c=0？
大梦三千秋·2020-02-24 20:59

16. 3Sum Closest

.(-1+2+1=2).分析：思路与3Sum类似，先排序再左右夹逼，不同之处在于因为找的是最接近目标值的3元组，故设变量记录每次三元组的和与目标
Nautilus1·2020-02-24 18:53

Leetcode 15: 3Sum

题目Givenanarraynumsofnintegers,arethereelementsa,b,cinnumssuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.Example:Givenarraynums
__Saber__·2020-02-24 04:18

LintCode 57. 3Sum

原题LintCode57.3SumDescriptionGivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.NoticeElementsinatriplet(a,b,c)mustbeinnon-descending
Andiedie·2020-02-23 14:26

Leetcode 15. 3Sum

题目GivenanarraySofnintegers,arethereelementsa,b,cinSsuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.Forexample,givenarrayS=[-1,0
persistent100·2020-02-22 16:29

[Day9]16. 3Sum Closest

Forsomeemotionalandscheduleissues,Ihavebeenabsentfortwodays.Butthereshouldn'tbeanyexcuseforthis.So,Iwouldmakeupassoonaspossible!DESCRIPTION:GivenanarraySofnintegers,findthreeintegersinSsuchthatthesumi
Shira0905·2020-02-22 11:26

3sum

#include#include#includeusingnamespacestd;//3sumclassSolution{public:vector>threeSum(vector&nums){unordered_map>record;vectoraux;vector>ret;vectorres;for(inti=0;ivec(nums,nums+sizeof(nums)/sizeof(int)
极速魔法·2020-02-21 09:32

LeetCode—15. 3Sum

Type：mediumGivenanarraynumsofnintegers,arethereelementsa,b,cinnumssuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.Example:Given
萌小熙喵·2020-02-20 16:07

15. 3Sum

publicclassSolution{publicList>threeSum(int[]nums){Arrays.sort(nums);List>res=newArrayList0&&nums[i]!=nums[i-1])){intlo=i+1,hi=nums.length-1,sum=0-nums[i];while(lo
夜皇雪·2020-02-19 01:32

Leetcode 16. 3Sum Closest

文章作者：Tyan博客：noahsnail.com|CSDN|1.Description3SumClosest2.SolutionBruteForceclassSolution{public:intthreeSumClosest(vector&nums,inttarget){intlength=nums.size();intsum=nums[0]+nums[1]+nums[2];intmin=ab
SnailTyan·2020-02-18 03:23

16. 3Sum Closest

GivenanarraySofnintegers,findthreeintegersinSsuchthatthesumisclosesttoagivennumber,target.Returnthesumofthethreeintegers.Youmayassumethateachinputwouldhaveexactlyonesolution.Forexample,givenarrayS={-1
Jeanz·2020-02-14 06:15

3Sum Closest

/*1遍历整个数组2起始点和结束点从前后往中间遍历3比较和与target的差值小的存入结果当中注意ans初始值不能付最大；*/classSolution{publicintthreeSumClosest(int[]nums,inttarget){if(nums==null||nums.lengthtarget){end--;}elseif(sum
走地牙·2020-02-13 07:08

15. 3Sum

Givenanarraynumsofnintegers,arethereelementsa,b,cinnumssuchthata+b+c=0?Findalluniquetripletsinthearraywhichgivesthesumofzero.Note:Thesolutionsetmustnotcontainduplicatetriplets.Example:Givenarraynums=[
尚无花名·2020-02-12 03:25
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