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Combination
leetcode------
Combination
Sum II
标题:CombinationSumII通过率:25.1%难度:中等Givenacollectionofcandidatenumbers(C)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.EachnumberinCmayonlybeusedonceinthecombination.Not
weixin_34367845
·
2020-07-08 18:26
组合求和(元素不能重复使用)
Combination
Sum II
为什么80%的码农都做不了架构师?>>>问题:Givenacollectionofcandidatenumbers(C)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.EachnumberinCmayonlybeusedonceinthecombination.Note:Allnumbe
weixin_34226182
·
2020-07-08 17:29
Combination
Sum
Givenasetofcandidatenumbers(candidates)(withoutduplicates)andatargetnumber(target),findalluniquecombinationsincandidateswherethecandidatenumberssumstotarget.Thesamerepeatednumbermaybechosenfromcandida
weixin_28739073
·
2020-07-08 13:48
leetcode
Combination
Sum
题目:解答:思路是递归求解,首先序列排序,然后依次对第一个数a0a_0a0取0→⌊targeta0⌋0\to\left\lfloor\dfrac{target}{a_0}\right\rfloor0→⌊a0target⌋,递归处理1-len的序列,这样递归处理对第i个数,取0→⌊target−sumpreai⌋0\to\left\lfloor\dfrac{target-sum_{pre}}{a_i
潭溪Zerg
·
2020-07-08 10:13
刷题
LeetCode
C++
算法
leetcode
combination
-sum题集
39.组合总和https://leetcode-cn.com/problems/
combination
-sum/40.组合总和IIhttps://leetcode-cn.com/problems/
combination
-sum-ii
今天也要笑笑鸭
·
2020-07-08 05:10
leetcode
python
Combination
Sum && 40.
Combination
Sum II && 216.
Combination
Sum III
组合总和问题—39.CombinationSum&&40.CombinationSumII&&216.CombinationSumIII一、给定一个无重复元素的数组candidates和一个目标数target,找出candidates中所有可以使数字和为target的组合1.题目39.CombinationSumGivenasetofcandidatenumbers(candidates)(wit
凌凌小博客
·
2020-07-07 22:49
leetcode刷题
leetcode算法刷题
LeetCode39 -
Combination
Sum
问题分析:此问题同之前括号匹配问题一样,使用递归思想Givenasetofcandidatenumbers(candidates)(withoutduplicates)andatargetnumber(target),findalluniquecombinationsincandidateswherethecandidatenumberssumstotarget.Thesamerepeatednu
减肥De狗
·
2020-07-07 22:35
LeetCode
C++
LeetCode
Combination
Sum II
https://leetcode-cn.com/problems/
combination
-sum-ii/solution/hui-su-suan-fa-jian-zhi-python-dai-ma-java-dai-m
USC_ECE
·
2020-07-07 21:17
Depth
First
Search
Combination
Sum
https://leetcode-cn.com/problems/
combination
-sum/solution/hui-su-suan-fa-jian-zhi-python-dai-ma-java-dai-m
USC_ECE
·
2020-07-07 21:17
Depth
First
Search
leetcode
Combination
Sum IV
Givenanintegerarraywithallpositivenumbersandnoduplicates,findthenumberofpossiblecombinationsthatadduptoapositiveintegertarget.题解:通过数组中的元素进行组合,满足和等于target。每个元素可以重复利用。解法一:动态规划(自下而上):该题跟上台阶有点类似,我们需要维护一个d
唯一昵称真难
·
2020-07-07 20:43
Leetcode
JAVA
Combination
Sum II
Givenacollectionofcandidatenumbers(C)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.EachnumberinCmayonlybeusedonceinthecombination.Note:Allnumbers(includingtarget)will
nameix
·
2020-07-07 17:48
LeetCode
leetcode笔记:
Combination
Sum II
一.题目描述Givenasetofcandidatenumbers(C)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.ThesamerepeatednumbermaybechosenfromConcenumberoftimes.Note:•Allnumbers(includingtar
Herbert_Zero
·
2020-07-07 14:08
数据结构与算法
leetcode笔记
leetcode题解-
Combination
Sum系列
这个系列一共有四道题,每道题目之间稍微有些不同,下面通过对比来总结一下,四道题目都可以使用backtracking回溯方法做,当然也可以是使用DP进行求解。首先看第一道:39.CombinationSumGivenasetofcandidatenumbers(C)(withoutduplicates)andatargetnumber(T),findalluniquecombinationsinCw
liuchongee
·
2020-07-07 14:54
leetcode刷题
Combination
Sum III
一、题目CombinationSumIII二、解题输入任意的k,和n,求出k个数加起来数值等于n的所有情况。这一题由于没接触过回溯法,迟迟不知道怎么下手,观察了网上的一些大神的解法,才知道回溯这个东西,豁然开朗。三、尝试与结果classSolution(object):defsolve(self,k,cur,remainder,prevVal,listT,result):ifcur==k:ifre
乐乐可爱睡觉
·
2020-07-07 10:14
Combination
Sum II leetcode Python 2016 new season
Givenacollectionofcandidatenumbers(C)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.EachnumberinCmayonlybeusedonceinthecombination.Note:Allnumbers(includingtarget)will
hyperbolechi
·
2020-07-07 10:24
leetcode
2016刷题
Combination
Sum II(重要)
Givenacollectionofcandidatenumbers(C)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.EachnumberinCmayonlybeusedonceinthecombination.Note:Allnumbers(includingtarget)will
知之可否
·
2020-07-07 08:32
leetcode
Combination
Sum [JavaScript]
一、解题思路 &mesp;本题要求列出所有组成目标值的具体方案,那么就很容易想到DFS搜索所有方案,并且通过HashMap去重解决问题:constcombinationSum=(candidates,target)=>{constans=[]constcache=newMap()dfs(candidates,0,[])returnansfunctiondfs(candidates,sum,arr)
descire
·
2020-07-07 06:54
LeetCode
JavaScript
Combination
Sum组合总和【Python】
LeetCode0039.CombinationSum组合总和【Medium】【Python】【回溯】ProblemLeetCodeGivenasetofcandidatenumbers(candidates)(withoutduplicates)andatargetnumber(target),findalluniquecombinationsincandidateswherethecandid
Wonz
·
2020-07-07 01:15
LeetCode个人题解
#
回溯
#
DFS
Combination
Sum
题目Givenasetofcandidatenumbers(C)(withoutduplicates)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.ThesamerepeatednumbermaybechosenfromCunlimitednumberoftimes.Note:Alln
BLUE_fdf9
·
2020-07-06 22:04
(Medium)
Combination
Sum II
题目链接提交代码:classSolution{publicList>combinationSum(int[]candidates,inttarget){List>result=newArrayList>();if(candidates==null)returnresult;mergeSort(candidates,0,candidates.length-1);findCombination(res
AXIMI
·
2020-07-06 20:42
leetcode
Combination
Sum 、40.
Combination
Sum II 、216.
Combination
Sum III 、377.
Combination
Su...
CombinationSum:所有数都正数,原始数组中没有重复的数字,生成的子数组中可以重复使用某一个数值CombinationSumII:所有数都正数,原始数组中有重复的数字,生成的子数组中不能重复使用某一个数值CombinationSumIII:所有数都正数且只能是1到9之间的数,原始数组中没有重复的数字,生成的子数组中不能重复使用某一个数值CombinationSumIV:所有数都正数,原始
weixin_30706507
·
2020-07-06 19:43
leetcode-----40. 组合总和 II
链接:https://leetcode-cn.com/problems/
combination
-sum-ii/代码(dfs)classSolution{public:vector>ans;vectorpath
景云ⁿ
·
2020-07-06 15:00
leetcode-----39. 组合总和
链接:https://leetcode-cn.com/problems/
combination
-sum/代码(dfs)classSolution{public:vector>ans;vectorpath
景云ⁿ
·
2020-07-06 15:00
python 实现组合以及全组合
组合数是所有可能产生的组合的种数本列通过26个小写字母来演示组合的代码如下:defcombination_k(s,k): ''' 字符串s中选取k(0输入的字符串 k-->选取的元素的个数 测试结果如下:
combination
_k
刘小北
·
2020-07-06 11:39
python
recursion
python
组合
递归
java高级语言 - GUI 02 简单计算器的实现 组合 内部类优化
简易计算器组合大于继承classAextendsB{//inheritance}classA{publicBb;//
combination
//refer!}
ShakeSharkPP
·
2020-07-06 02:13
javase
Combination
Sum IV
DescriptionGivenanintegerarraywithallpositivenumbersandnoduplicates,findthenumberofpossiblecombinationsthatadduptoapositiveintegertarget.Example:nums=[1,2,3]target=4Thepossiblecombinationwaysare:(1,1,
Nancyberry
·
2020-07-05 13:18
Combination
Sum II
题目链接:https://www.lintcode.com/problem/
combination
-sum-ii/description/***@paramnum:Giventhecandidatenumbers
__KevinYzy__
·
2020-07-04 18:47
Go
Lintcode
看板娘(
Combination
)
看板娘html代码(JavaScript)Live2DinitModel()css代码:#live2dcanvas{border:0!important;}
FlowersandBoys
·
2020-07-04 16:00
Combination
Sum II
题目描述(难度:Medium)Givenacollectionofcandidatenumbers(C)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.EachnumberinCmayonlybeusedonceinthecombination.Note:Allnumbers(inclu
qingyujean
·
2020-07-02 15:56
leetcode
Backtracking
Combination
Sum
题目描述(难度:Medium):Givenasetofcandidatenumbers(C)(withoutduplicates)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.ThesamerepeatednumbermaybechosenfromCunlimitednumberoft
qingyujean
·
2020-07-02 15:56
leetcode
Backtracking
Combination
Sum III
题目描述(难度):Findallpossiblecombinationsofknumbersthatadduptoanumbern,giventhatonlynumbersfrom1to9canbeusedandeachcombinationshouldbeauniquesetofnumbers.Example1:Input:k=3,n=7Output:[[1,2,4]]Example2:Inpu
qingyujean
·
2020-07-02 15:56
leetcode
Backtracking
学C,从阶乘谈起
关键词:C,语言的科学和艺术(Theartandscienceofc),阶乘,排列组合今天早上因为拿错了书,没有想到也有了新的收获,原来是第五章的习题11要求绘制一个PASCAL三角形,上次是因为没有作
Combination
notonlyc
·
2020-07-02 13:11
c
combinations
算法
float
pascal
优化
MobileNetV2在python2.7中报错TypeError: new() received an invalid
combination
of arguments完美解决
在github下载的MobileNetV2,在python2.7上报错如下:TypeError:new()receivedaninvalidcombinationofarguments-got(float,float,int,int),butexpectedoneof:*(torch.devicedevice)*(torch.Storagestorage)*(Tensorother)*(tuple
白话先生
·
2020-07-02 09:18
LeetCode_
Combination
Sum II
Givenacollectionofcandidatenumbers(C)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.EachnumberinCmayonlybeusedonceinthecombination.Note:Allnumbers(includingtarget)will
leileicaocao
·
2020-07-02 07:47
LeetCode
Combination
Sum II
本题要求相比I多了一个要求,数组里的数字在一个solution里只能至多出现一次。于此同时,我们要考虑candidate里出现重复的数字时怎么处理的情况。原则是,要使用一个数,只有当前面的相同的值的数都用了的时候才能用。这样便可以避免因为candidate里有重复的数字导致res里有重复的solution的情况。////main.cpp//leetcode////CreatedbyYangKion
yangqi916
·
2020-07-01 16:33
复盘日志
1,从本篇文章/音频/视频中我学到的最重要的概念用英文交流点餐2,我在本片文章/音频/视频中学到的怦然心动的单词
combination
联合,合作trait特性,品质,3,在本片文章/音频/视频中我最喜欢的一句话
土管一班02常洋梅
·
2020-07-01 10:57
Combination
Sum II 凑一个和,不能重复用一个元素
Givenacollectionofcandidatenumbers(candidates)andatargetnumber(target),findalluniquecombinationsincandidateswherethecandidatenumberssumstotarget.Eachnumberincandidatesmayonlybeusedonceinthecombination
苗妙苗
·
2020-07-01 08:00
Combination
Sum II 凑出一个和,不可以重复用元素(含duplicates)
Givenacollectionofcandidatenumbers(candidates)andatargetnumber(target),findalluniquecombinationsincandidateswherethecandidatenumberssumstotarget.Eachnumberincandidatesmayonlybeusedonceinthecombination
苗妙苗
·
2020-07-01 05:00
[LeetCode 39]
Combination
Sum (medium)
Givenasetofcandidatenumbers(candidates)(withoutduplicates)andatargetnumber(target),findalluniquecombinationsincandidateswherethecandidatenumberssumstotarget.Thesamerepeatednumbermaybechosenfromcandida
蓝眼睛灰
·
2020-07-01 03:14
Combination
Sum II
04/19/2017更新今天重做CombinationSum顺便把这题也看看,看到之前写的「但if>start这条件实在太难理解了」这句话,现在真是觉得自己有进步的,因为现在再看i>start这非常容易理解啊,就是要从下一层的start之后开始遍历嘛。原因就是之前对dfs,脑子中是没有一个matrix那种一层层的模型的(像CombinationSum和NQueens那种n*n一层层往下深搜的模型)
DrunkPian0
·
2020-06-30 23:50
组合总和:给定一个无重复元素的数组和一个目标数,找出所有可以使数字和为目标数的组合java实现
题目描述https://leetcode-cn.com/problems/
combination
-sum给定一个无重复元素的数组candidates和一个目标数target,找出candidates中所有可以使数字和为
WukongGo
·
2020-06-30 20:06
DFS
LeetCode
Combination
Sum
Givenasetofcandidatenumbers(C)(withoutduplicates)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.ThesamerepeatednumbermaybechosenfromCunlimitednumberoftimes.Note:Allnum
ThereThere_0d70
·
2020-06-30 10:57
python使用Networkx生成人物关系可视化详解
所以,简单粗暴但高效的做法是直接从搜索引擎中得到主要人物的名称,并将其放入列表中;2,遍历文本的第一个段落,并检查人物名称是否在此段落中,如果在,将其放入一个空列表中,并使用
combination
将其转化成人物名称的两两组合
rawenlei
·
2020-06-29 07:59
Combination
Sum II
DescriptionGivenacollectionofcandidatenumbers(C)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.EachnumberinCmayonlybeusedonceinthecombination.Note:Allnumbers(including
Nancyberry
·
2020-06-29 04:44
GL各个表结构总结
NewProgramerEBSGL表结构学习(转)gl_code_combinations:科目组合字段名含义备注code_
combination
_id主键,科目编码ID,自动编号segment1分行代码
GradyFeng
·
2020-06-29 01:04
EBS
EBS
GL
EBS GL 账户组合和账户描述
分别为公司段、部门段、科目段、子科目段、项目段、产品段、公司间段、备用段1、备用段2,一般只会到项目段即segment1-6ACCOUNT_TYPE为账户类型gcc与日记账行表关联条件gcc.code_
combination
_id
GradyFeng
·
2020-06-29 01:32
EBS
Oracle
Leetcode - No.17 Letter
Combination
of a Phone Number
DescriptionGivenastringcontainingdigitsfrom2-9inclusive,returnallpossiblelettercombinationsthatthenumbercouldrepresent.Amappingofdigittoletters(justlikeonthetelephonebuttons)isgivenbelow.Notethat1does
KidneyBro
·
2020-06-28 20:55
Combination
Sum
Givenasetofcandidatenumbers(C)andatargetnumber(T),findalluniquecombinationsinCwherethecandidatenumberssumstoT.ThesamerepeatednumbermaybechosenfromCunlimitednumberoftimes.Note:Allnumbers(includingtarge
weixin_34115824
·
2020-06-28 11:23
backTrack
leetcode中常见的backTrack类题目:
combination
、subsets、permutation、PalindromePartitioning.1、combinationleetcode39
travellerdiao
·
2020-06-27 04:42
leetcode
Combination
Sum II (M)
CombinationSumII(M)题目Givenacollectionofcandidatenumbers(candidates)andatargetnumber(target),findalluniquecombinationsincandidateswherethecandidatenumberssumstotarget.Eachnumberincandidatesmayonlybeuse
墨云黑
·
2020-06-27 03:00
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