Valid NumberValidate if a given string is numeric.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>trueNote:It is intended for the ...
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其他好文 时间:
2014-08-16 01:01:49
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195
Minimum Window SubstringGiven a string S and a string T, find the minimum window in S which will contain all the characters in T in complexity O(n).Fo...
Here another memory for speed implementation:class Solution {public: bool isValidSudoku(vector > &board) { size_t row_cnt = board.size(); ...
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其他好文 时间:
2014-08-15 14:18:48
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194
One classic method for composing secret messages is called a square code. The spaces are removed from the english textand the characters are written i...
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其他好文 时间:
2014-08-14 20:03:09
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276
Implement wildcard pattern matching with support for '?' and '*'.'?' Matches any single character.'*' Matches any sequence of characters (including th...
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其他好文 时间:
2014-08-14 19:44:09
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134
给定n, 返回所有匹配的n对括号的可能形式. 如给定n= 3, 一个解集是:"((()))", "(()())", "(())()", "()(())", "()()()"本题解法的思路是使用栈seq保存经历的字符串状态;使用栈valid保存对应的字符串中有效的括号对个数;当seq不为空时(即回溯未...
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其他好文 时间:
2014-08-14 19:42:29
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169
不要因为走的太远而忘记我们为什么出发[问题描述]Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets mu...
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其他好文 时间:
2014-08-14 01:00:57
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160
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana...
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其他好文 时间:
2014-08-14 00:59:37
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195
概要Windows Forms 控件通常不是thread-safe(直接或间接继承于System.Windows.Forms.Control),因此.NET Framework为防止multithread下对控件的存取可能导致控件状态的不一致,在调试时,CLR-Debugger会抛出一个Invali...
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其他好文 时间:
2014-08-13 21:39:57
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269
Description
D
Anti-Rhyme Pairs
Input: Standard Input
Output: Standard Output
Often two words that rhyme also end in the same sequence of characters. We use...
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其他好文 时间:
2014-08-13 18:45:37
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230