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leetcode-valid number ZZ
http://blog.csdn.net/kenden23/article/details/18696083本题是十分麻烦的题目,情况是非常多,网上也很多方法,其中最有效,优雅的方法是有限状态自动机(Finite automata machine)。其他一般方法都会十分复杂,而代码不能算优雅。为此我...
分类:其他好文   时间:2014-10-26 11:30:51    阅读次数:171
[leetcode]Valid Palindrome
问题描述: Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example, "A man, a plan, a canal: Panama" is a palindrome. "race a car" is...
分类:其他好文   时间:2014-10-25 21:30:51    阅读次数:191
leetcode - Valid Sudoku
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 fille...
分类:其他好文   时间:2014-10-25 17:27:30    阅读次数:172
LeetCode Valid Parentheses
Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ...
分类:其他好文   时间:2014-10-25 14:18:46    阅读次数:178
[LeetCode] Longest Substring Without Repeating Characters (LinkedHashSet的妙用)
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. Fo...
分类:其他好文   时间:2014-10-25 07:04:13    阅读次数:208
Algebrizer
Microsoft SQL Server 2012 Internals把 SQL 语句的处理分为四个阶段,分别是 解析、绑定、优化、执行,如图所示:解析(Parse)主要是语法分析,比较简单。绑定(Bind),书中的解释比较简略:For queries with valid SQL syntax, ...
分类:其他好文   时间:2014-10-24 16:08:22    阅读次数:266
leetcode第35题--Valid Sudoku
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 wi...
分类:其他好文   时间:2014-10-24 14:15:06    阅读次数:174
LeetCode Length of Last Word
Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word doe...
分类:其他好文   时间:2014-10-24 13:00:38    阅读次数:170
[LeetCode] Word Break II (TLE)
Given a stringsand a dictionary of wordsdict, add spaces insto construct a sentence where each word is a valid dictionary word.Return all such possibl...
分类:其他好文   时间:2014-10-24 12:38:28    阅读次数:261
[LeetCode] Length of Last Word
Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word doe...
分类:其他好文   时间:2014-10-24 12:28:03    阅读次数:211
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