题目链接Given a string, find the length of the
longest substring without repeating characters. For example, the longest
substring without repeating letter...
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其他好文 时间：
2014-05-24 02:15:57
阅读次数：
291
header (ctype.h)Character handling functionsThis
header declares a set of functions to classify and transform individual
characters.FunctionsThese fun...
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其他好文 时间：
2014-05-23 22:04:32
阅读次数：
504
题目：Given a binary tree, determine if it is a valid
binary search tree (BST).Assume a BST is defined as follows:The left subtree of
a node contains onl...
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其他好文 时间：
2014-05-23 12:20:50
阅读次数：
407
【题目】
Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules.
The Sudoku board could be partially filled, where empty cells are filled with the character '.'.
A partially filled sudoku which is valid.
Note:
A valid Sudoku board (par...
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其他好文 时间：
2014-05-22 09:58:54
阅读次数：
234
【题目】
Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring.
For "(()", the longest valid parentheses substring is "()", which has length = 2.
Another example is ")()())", whe...
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其他好文 时间：
2014-05-20 16:39:07
阅读次数：
280
1. 首先安装samba服务。 2. 配置防火墙（要先关闭） 3.
创建samba服务器用户：smbpasswd -a username 删除samba服务器用户：smbpasswd -x username 4.
配置/etc/samba/smb.conf 需要配置valid user vi /et...
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系统相关 时间：
2014-05-19 15:58:50
阅读次数：
279
【题目】
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 valid but "(]" and "([)]" are not.
【题意】
判断给定的字符串是否是合法的...
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其他好文 时间：
2014-05-18 10:08:11
阅读次数：
327
【题目】
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.
For example, given n = 3, a solution set is:
"((()))", "(()())", "(())()", "()(())", "()()()"
【题意】
给定n对括号，输出所有可行的括号组合字符串。所谓合法，就是可以Valid Pare...
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其他好文 时间：
2014-05-18 09:06:41
阅读次数：
266
【题目】
You are given a string, S, and a list of words, L, that are all of the same length. Find all starting indices of substring(s) in S that is a concatenation of each word in L exactly once and without any intervening characters.
For example, given:
S:...
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其他好文 时间：
2014-05-18 08:31:48
阅读次数：
228
题意：
Evaluate the value of an arithmetic expression in
Reverse Polish Notation.
Valid operators are +, -, *,
/. Each operand may be an integer or another expression.
So...
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其他好文 时间：
2014-05-18 08:09:15
阅读次数：
190
