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parentheses
Leetcode-Valid
Parentheses
-Python
ValidParentheses验证有效括号对:给定一个只包含括号类型的字符串,判断该字符串的括号是否有效闭合。DescriptionGivenastringcontainingjustthecharacters‘(‘,‘)’,‘{‘,‘}’,‘[’and‘]’,determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectord
韦人人韦
·
2017-08-16 10:27
Python
leetcode
Algorithm
Split with "capturing
parentheses
"
开发中遇到一个场景,类似下面这条字符串需要进行split操作,conststr='name:xxxANDage:12ORsex:male';希望得到的结果是,['name:xxx','age:12','sex:male']一开始凭直觉的解决方案是:str.split(/(AND|OR)/g)//['name:xxx','AND','age:12','OR','sex:male']也就是说当你在sp
黑知更鸟
·
2017-08-04 15:59
Generate
Parentheses
)
Givennpairsofparentheses,writeafunctiontogenerateallcombinationsofwell-formedparentheses.这道算法涉及到什么卡特兰数,我们把他考虑成一个树的剪枝问题,确定剪枝的条件,就是剩余的左括号树一定大于右括号数。本文算法,采纳自这篇大牛博客,详细解释,请跳转http://blog.csdn.net/yutianzuiji
Aaron92
·
2017-08-03 11:24
算法设计
Longest Valid
Parentheses
问题Givenastringcontainingjustthecharacters‘(’and‘)’,findthelengthofthelongestvalid(well-formed)parenthesessubstring.For“(()”,thelongestvalidparenthesessubstringis“()”,whichhaslength=2.Anotherexampleis“
aloserbird
·
2017-07-22 10:32
leetcode-java
LeetCode#22* Generate
Parentheses
Givennpairsofparentheses,writeafunctiontogenerateallcombinationsofwell-formedparentheses.Forexample,givenn=3,asolutionsetis:[“((()))”,“(()())”,“(())()”,“()(())”,“()()()”]题意:给一个整数n要求组合成一个由n对小括号组成的字符串,要
Sly_461
·
2017-07-18 11:10
【LeetCode】
LeetCode#20 Valid
Parentheses
Givenastringcontainingjustthecharacters‘(‘,‘)’,‘{‘,‘}’,‘[’and‘]’,determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,“()”and“()[]{}”areallvalidbut“(]”and“([)]”arenot.题意:给一串只包含有’(‘,‘
Sly_461
·
2017-07-17 20:54
【LeetCode】
LeetCode--Valid
Parentheses
问题这个问题是非常简单的。就是匹配括号。那么要用到stack这个数据结构。而用C++的stack来编写,问题变得非常简单。同时感谢这篇博客的博主http://blog.csdn.net/zhouworld16/article/details/17629755代码分析classSolution{public:boolisValid(strings){stackcharStack;size_ti=0;
dp_huang
·
2017-07-01 13:06
c语言
算法每日一题
[LeetCode] Valid
Parentheses
ValidParenthesesGivenastringcontainingjustthecharacters'(',')','{','}','['and']',determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,"()"and"()[]{}"areallvalidbut"(]"and"([)]"arenot
annielulu
·
2017-06-22 00:00
leetcode
LintCode
[LeetCode] Generate
Parentheses
GenerateParenthesesGivennpairsofparentheses,writeafunctiontogenerateallcombinationsofwell-formedparentheses.DFSTimeComplexityO(2^n)Itistraverseofatree.Thelevelis2n.O(2^2n-1)-->O(2^n)SpaceComplexityO(N
annielulu
·
2017-06-17 00:00
leetcode
LintCode
Valid
Parentheses
1.描述Givenastringcontainingjustthecharacters'(',')','{','}','['and']',determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,"()"and"()[]{}"areallvalidbut"(]"and"([)]"arenot.2.分析3.代码cla
YellowLayne
·
2017-06-14 15:21
算法设计与分析(15) -- Generate
Parentheses
(难度:Medium)
算法设计与分析(15)题目:GenerateParentheses问题描述:Givennpairsofparentheses,writeafunctiontogenerateallcombinationsofwell-formedparentheses.Forexample,givenn=3,asolutionsetis:["((()))","(()())","(())()","()(())","
alexlau8
·
2017-05-29 17:47
算法设计作业
算法设计与分析(14)-- Valid
Parentheses
(难度:Easy)
算法设计与分析(14)题目:ValidParentheses问题描述:Givenastringcontainingjustthecharacters‘(‘,‘)’,‘{‘,‘}’,‘[’and‘]’,determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,“()”and“()[]{}”areallvalidbut
alexlau8
·
2017-05-29 16:24
算法设计作业
[leetcode]Longest Valid
Parentheses
32.LongestValidParenthesesGivenastringcontainingjustthecharacters'('and')',findthelengthofthelongestvalid(well-formed)parenthesessubstring.For"(()",thelongestvalidparenthesessubstringis"()",whichhasle
KusanoNEU
·
2017-05-28 11:07
Leetcode
xtu 1266
Parentheses
2017湘潭邀请赛G
ParenthesesBobohasaverylongsequencedividedinto n consecutivegroups.The i-thgroupconsistsof li copiesofcharacter ci where ci iseither"("or")".Asthesequencemaynotbevalidparenthesessequence,Bobocanchange
whppmy
·
2017-05-16 11:05
c/c++
Generate
Parentheses
(LeetCode Algorithm Problem)
本体是一个括号匹配的问题,但不是检查一串括号是否匹配,而是输入括号的数量,将所有匹配的括号串输出。原题链接Givennpairsofparentheses,writeafunctiontogenerateallcombinationsofwell-formedparentheses.Forexample,givenn=3,asolutionsetis:[“((()))”,“(()())”,“(()
YouyouPan
·
2017-05-12 13:02
leetcode
Valid
Parentheses
Givenastringcontainingjustthecharacters'(',')','{','}','['and']',determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,"()"and"()[]{}"areallvalidbut"(]"and"([)]"arenot.SolutionWeshoul
xxx亦凡桑
·
2017-05-11 20:55
【LeetCode20】【Valid
Parentheses
】
题目:Givenastringcontainingjustthecharacters‘(‘,‘)’,‘{‘,‘}’,‘[’and‘]’,determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,“()”and“()[]{}”areallvalidbut“(]”and“([)]”arenot.就是说要判断内容为”{“
HeMingisCoding
·
2017-05-04 11:17
leetcode
Remove Invalid
Parentheses
题目大意给定一个字符串,可能会包括’(‘,’)’,和其他字符,得到所有合理的记过,实际上也就是左右括号匹配问题。例子:“()())()”->[“()()()”,“(())()”]“(a)())()”->[“(a)()()”,“(a())()”]“)(”->[“”]解题思路参考:https://discuss.leetcode.com/topic/34875/easy-short-concise-a
虚心的小胖
·
2017-04-23 17:07
算法刷题
20.Valid
Parentheses
(Stack-Easy)
转载请注明作者和出处:http://blog.csdn.net/c406495762Givenastringcontainingjustthecharacters“(“,“)”,“{“,“}”,“[”and“]”,determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,“()”and“()[]{}”areallv
c406495762
·
2017-04-13 15:00
LeetCode
stack
FB面经 Prepare: Make
Parentheses
valid
给一组括号,remove最少的括号使得它valid从左从右各scan一次1packagefb;23publicclassremoveParen{45publicstaticStringfix(Stringstr){6StringBufferres=newStringBuffer(str);7intl=0,r=0;8inti=0;9while(i=0){27if(res.charAt(i)==')'
neverlandly
·
2017-03-16 22:00
Longest Valid
Parentheses
三种解法dppublicclassSolution{publicintlongestValidParentheses(Strings){intmaxans=0;intdp[]=newint[s.length()];for(inti=1;i=2?dp[i-2]:0)+2;}elseif(i-dp[i-1]>0&&s.charAt(i-dp[i-1]-1)=='('){dp[i]=dp[i-1]+((
邵闯
·
2017-03-10 23:19
LeetCode 241 - Different Ways to Add
Parentheses
问题Givenastringofnumbersandoperators,returnallpossibleresultsfromcomputingallthedifferentpossiblewaystogroupnumbersandoperators.Thevalidoperatorsare+,-and*ExampleInput:2*3-4*5(2*(3-(4*5)))=-34((2*3)-(4
xingpingz
·
2017-02-27 00:00
leetcode
Generate
Parentheses
-Meidum
QuestionGivennpairsofparentheses,writeafunctiontogenerateallcombinationsofwell-formedparentheses.给出一对括号,请你生成所有良好格式的组合(每个开括号后总有一个闭括号对应,错误示例:“)(”)Examplegivenn=3,asolutionsetis:[“((()))”,“(()())”,“(())(
Euadvancer
·
2017-02-23 19:53
LeetCode-回溯
Valid
Parentheses
////main.swift//20.ValidParentheses////CreatedbyFlyingPuPuon13/02/2017.//Copyright(c)2017FPP.Allrightsreserved.///*20.ValidParenthesesGivenastringcontainingjustthecharacters'(',')','{','}','['and']',d
小万叔叔
·
2017-02-13 11:19
【LeetCode】Generate
Parentheses
DescriptionGenerateParenthesesMergetwosortedlinkedlistsandreturnitasanewlist.Thenewlistshouldbemadebysplicingtogetherthenodesofthefirsttwolists.CodeclassSolution(object):defgenerateParenthesis(self,n)
VegB
·
2017-02-03 14:48
Python
LeetCode
Python中的None和空(“SyntaxError: Missing
parentheses
in call to 'print'”)
“SyntaxError:Missingparenthesesincallto‘print’”先看一个错误:>>>a=1 >>>printa File"",line1 printa ^ SyntaxError:Missingparenthesesincallto'print' >>>print(a) 1这是什么鬼?这是Python2和Python3的区别,在Python3中,不能使用printa,
wangshubo1989
·
2016-11-23 10:00
python
none
【艾米莉娅】matrix:valid
parentheses
括号匹配代码分享(非堆栈版)
之前大风dalao使用堆栈实现了括号匹配,但毕竟堆栈是过于超前的内容,很多小伙伴看不懂。因而分享一下自己做的非堆栈型括号匹配代码。Givenastringcontainingjustthecharacters‘(‘,‘)’,‘{‘,‘}’,‘[’and‘]’,determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder
class7club
·
2016-11-20 15:56
[LeetCode 241]Different Ways to Add
Parentheses
**Reference:**https://leetcode.com/problems/different-ways-to-add-
parentheses
/这题虽然我的解法比较挫,但是涉及几个子问题广:
酒桶九筒
·
2016-11-14 13:17
【大风】matrix:valid
parentheses
括号匹配代码分享
Givenastringcontainingjustthecharacters‘(‘,‘)’,‘{‘,‘}’,‘[’and‘]’,determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,“()”and“()[]{}”areallvalidbut“(]”and“([)]”arenot.#include#includ
class7club
·
2016-11-12 15:59
Different Ways to Add
Parentheses
Givenastringofnumbersandoperators,returnallpossibleresultsfromcomputingallthedifferentpossiblewaystogroupnumbersandoperators.Thevalidoperatorsare+,-and*.Example1Input:"2-1-1".((2-1)-1)=0(2-(1-1))=2Out
exialym
·
2016-11-10 14:14
Generate
Parentheses
问题:Givennpairsofparentheses,writeafunctiontogenerateallcombinationsofwell-formedparentheses.Forexample,givenn=3,asolutionsetis:[ "((()))", "(()())", "(())()", "()(())", "()()()" ]问题的要求是:写出所有符合正常使用方式的括
Gaugamela
·
2016-11-05 17:00
Valid
Parentheses
问题:Givenastringcontainingjustthecharacters'(',')','{','}','['and']',determineiftheinputstringisvalid. Thebracketsmustcloseinthecorrectorder,"()"and"()[]{}"areallvalidbut"(]"and"([)]"arenot.问题的要求是:判断括
Gaugamela
·
2016-11-03 19:00
Scala之小括号和花括号(
Parentheses
& Crurly Braces)
推荐:博主历时三年倾注大量心血创作的《大数据平台架构与原型实现:数据中台建设实战》一书已由知名IT图书品牌电子工业出版社博文视点出版发行,真诚推荐给每一位读者!点击《重磅推荐:建大数据平台太难了!给我发个工程原型吧!》了解图书详情,扫码进入京东手机购书页面!文章目录推荐:博主历时三年倾注大量心血创作的[《大数据平台架构与原型实现:数据中台建设实战》](https://item.jd.com/126
bluishglc
·
2016-10-27 15:41
Scala语言
Scala之小括号和花括号(
Parentheses
& Crurly Braces)
在调用函数时如果你要调用的函数有两个或两个以上的参数那么你只能使用小括号如果你要调用的函数只有单一参数那么通常情况下小括号和花括号是可以互换的在调用单一参数函数时小括号和花括号虽然等效但还是有差异的在调用一个单一参数函数时如果参数本身是一个通过case语句实现的偏函数你只能使用花括号作为表达式expression和语句块codeblocks时尽管这是一个非常基础的问题,但是如果不仔细梳理一下,还是
bluishglc
·
2016-10-27 15:00
scala
Braces
小括号
花括号
parenthese
Valid
Parentheses
#Stack (Easy)
Problem:###Givenastringcontainingjustthecharacters'(',')','{','}','['and']',determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,"()"and"()[]{}"areallvalidbut"(]"and"([)]"arenot.Solu
LonelyGod小黄老师
·
2016-10-24 20:10
Remove Invalid
Parentheses
题目来源leetcode301给定一个包含许多左括号和右括号的字符串,删除最少的括号,使得删除括号后的字符串中的括号匹配,要求输出所有结果。首先来计算一下究竟最少要删除多少个左括号和右括号。可以从左到右扫描字符串,用x1和x2分别记录要删除的左括号和右括号,遇到左括号时x1+1,遇到右括号时若x1大于0,则x1-1,否则x2+1,这样可以保证删除最少的左括号和右括号。之后对整个字符串进行搜索,用于
Alliyou
·
2016-10-09 18:27
Longest Valid
Parentheses
LongestValidParenthesesGivenastringcontainingjustthecharacters‘(’and‘)’,findthelengthofthelongestvalid(well-formed)parenthesessubstring.For“(()”,thelongestvalidparenthesessubstringis“()”,whichhaslengt
King来写代码
·
2016-10-05 07:44
LeetCode
Longest Valid
Parentheses
32.LongestValidParenthesesGivenastringcontainingjustthecharacters'('and')',findthelengthofthelongestvalid(well-formed)parenthesessubstring.For"(()",thelongestvalidparenthesessubstringis"()",whichhasle
風子余
·
2016-10-01 00:37
Code
Leet
LeetCode
Leetcode-第22题:Generate
Parentheses
题目:Givennpairsofparentheses,writeafunctiontogenerateallcombinationsofwell-formedparentheses.Forexample,givenn=3,asolutionsetis:"((()))","(()())","(())()","()(())","()()()"分析:对于一个给定的n,有效的括号必定包括n个'('和n个
八刀一闪
·
2016-09-24 16:29
Valid
Parentheses
20.ValidParenthesesGivenastringcontainingjustthecharacters'(',')','{','}','['and']',determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,"()"and"()[]{}"areallvalidbut"(]"and"([)]"are
風子余
·
2016-09-17 22:56
Code
Leet
LeetCode
Different Ways to Add
Parentheses
/*leetcode241.DifferentWaystoAddParenthesesGivenastringofnumbersandoperators,returnallpossibleresultsfromcomputingallthedifferentpossiblewaystogroupnumbersandoperators.Thevalidoperatorsare+,-and*.Exam
charles1e
·
2016-09-10 18:00
LeetCode
Valid
Parentheses
字符串
20.ValidParenthesesGivenastringcontainingjustthecharacters'(',')','{','}','['and']',determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,"()"and"()[]{}"areallvalidbut"(]"and"([)]"are
313119992
·
2016-08-11 00:21
字符串
leetCode练习
leetcode---Valid
Parentheses
Givenastringcontainingjustthecharacters‘(‘,‘)’,‘{‘,‘}’,‘[’and‘]’,determineiftheinputstringisvalid.Thebracketsmustcloseinthecorrectorder,“()”and“()[]{}”areallvalidbut“(]”and“([)]”arenot.解题思路:使用一个栈临时存储,
a1b2c3d4123456
·
2016-06-21 10:00
String
stack
Valid
Parentheses
[easy] (Python)
题目链接https://leetcode.com/problems/valid-
parentheses
/题目原文Givenastringcontainingjustthecharacters‘(‘,‘)
coder_orz
·
2016-06-17 10:55
python
LeetCode
LeetCode
LeetCode解题报告
Different Ways to Add
Parentheses
TotalAccepted: 23674 TotalSubmissions: 65569 Difficulty: MediumGivenastringofnumbersandoperators,returnallpossibleresultsfrom computingallthedifferentpossiblewaystogroupnumbersandoperators. Thevalidop
EbowTang
·
2016-06-16 09:00
LeetCode
C++
算法
面试
动态规划
LeetCode:Remove Invalid
Parentheses
RemoveInvalidParenthesesTotalAccepted: 14168 TotalSubmissions: 43620 Difficulty: HardRemovetheminimumnumberofinvalidparenthesesinordertomaketheinputstringvalid.Returnallpossibleresults.Note:Theinputst
itismelzp
·
2016-06-15 22:00
LeetCode
search
search
Depth-first
Breadth-first
Longest Valid
Parentheses
题目描述:Givenastringcontainingjustthecharacters'('and')',findthelengthofthelongestvalid(well-formed)parenthesessubstring.For"(()",thelongestvalidparenthesessubstringis"()",whichhaslength=2.Anotherexample
yeshiwu
·
2016-06-15 18:00
java
LeetCode
动态规划
【Leetcode】Longest Valid
Parentheses
题目链接:https://leetcode.com/problems/longest-valid-
parentheses
/题目:Givenastringcontainingjustthecharacters
yeqiuzs
·
2016-06-10 16:00
LeetCode
【Leetcode】Remove Invalid
Parentheses
题目链接:https://leetcode.com/problems/remove-invalid-
parentheses
/题目:Removetheminimumnumberofinvalidparenthesesinordertomaketheinputstringvalid.Returnallpossibleresults.Note
yeqiuzs
·
2016-06-09 18:00
LeetCode
【Leetcode】Valid
Parentheses
题目链接:https://leetcode.com/problems/valid-
parentheses
/题目:Givenastringcontainingjustthecharacters '(',
yeqiuzs
·
2016-06-05 19:00
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