找到最多含有两个不同字符的子串的最长长度。例如:eoeabc,最长的是eoe为3,其他都为2.例如:string s="aqaqedadcdccd";使用一个map fmap记录每个字符出现的个数,详解在程序中注释。int lengthOfLongestSubstringTwoDistinct(st...
分类:
其他好文 时间:
2015-02-08 23:12:12
阅读次数:
150
《安装:打开notepad++插件->PluginManager->ShowPluginManager->available->选中TextFX->install》(注:如果没有插件的话--首先updates插件)Notepad++插件TextFX
Characters是一款默认安装的插件,由于功能强大,被编程爱好者认为是最好的Notepad++插件,第..
分类:
其他好文 时间:
2015-02-08 15:35:01
阅读次数:
235
Given a string containing just the characters '(', ')', '{', '}', '[' and ']',
determine if the input string is valid.
The brackets must close in the correct order, "()" and "()[]{}" are
all va...
分类:
其他好文 时间:
2015-02-08 12:55:47
阅读次数:
153
题目描述:Longest Valid ParenthesesGiven a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses s...
分类:
其他好文 时间:
2015-02-07 18:51:04
阅读次数:
139
题目要求:Valid SudokuDetermine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells...
分类:
其他好文 时间:
2015-02-07 18:44:25
阅读次数:
155
题目描述:Valid ParenthesesGiven a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must...
分类:
其他好文 时间:
2015-02-07 17:19:20
阅读次数:
217
点击打开链接
1009. K-based Numbers
Time limit: 1.0 second
Memory limit: 64 MB
Let’s consider K-based numbers, containing exactly N digits. We define a number to be valid if itsK-based ...
分类:
其他好文 时间:
2015-02-07 13:14:20
阅读次数:
142
Given a string s and a dictionary of words dict, add spaces in s to construct a sentence where each word is a valid dictionary word.Return all such possible sentences.For example, given s = “catsanddo...
分类:
其他好文 时间:
2015-02-07 13:12:11
阅读次数:
188
Given a string s consists of upper/lower-case alphabets and empty space characters ’ ‘, return the length of last word in the string.If the last word does not exist, return 0.Note: A word is defined...
分类:
其他好文 时间:
2015-02-06 18:53:14
阅读次数:
146
Given an input string, reverse the string word by word. A word is defined as a sequence of non-space characters.The input string does not contain lead...
分类:
其他好文 时间:
2015-02-06 16:36:03
阅读次数:
104