Given a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thesamerepeated num...
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其他好文 时间:
2014-11-27 10:27:04
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205
Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique longes...
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其他好文 时间:
2014-11-27 07:59:55
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184
"green","", "red","b" => "green", "","blue", "red","c" => "witer","hello","witer");//$result = array_unique($input); //去除重复元素$result = a_array_unique....
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编程语言 时间:
2014-11-26 18:48:40
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177
DECLARE @SQLSTR VARCHAR(1000);DECLARE My_Cursor CURSOR --定义游标 FOR (select 'ALTER TABLE '+o.name+' drop CONSTRAINT '+fk.name+';' AS Command from ...
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数据库 时间:
2014-11-26 13:37:59
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182
// 1. 核心代码 CGSize constraint = CGSizeMake(290, 20000.0f); NSAttributedString *attributedText = [[NSAttributedStringalloc]initWithString:_contentLabe.....
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其他好文 时间:
2014-11-26 13:34:37
阅读次数:
199
Givenn, generate all structurally uniqueBST's(binary search trees) that store values 1...n.For example,Givenn= 3, your program should return all 5 uni...
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其他好文 时间:
2014-11-25 22:47:09
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163
唯一路径问题IIUnique Paths IIFollow up for "Unique Paths":Now consider if some obstacles are added to the grids. How many unique paths would there be?An obs...
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其他好文 时间:
2014-11-25 20:21:24
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249
Given an arraySofnintegers, are there elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in the array which gives the sum of ...
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其他好文 时间:
2014-11-25 15:44:09
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123
Given an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:Elemen...
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其他好文 时间:
2014-11-25 12:21:50
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176
和上一题Unique Binary Search Trees一样,这里是要记录所有的可能。存在树里面。这题还是有点难的,我拿了笔写了前几个,推敲了一下,发现如果和上一题一样,存前面的值计算后面的的话会非常复杂,且可能涉及到给一颗数的所有节点加某个值。最终还是放弃用这个方法。可行的二叉查找树的数量是相...
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其他好文 时间:
2014-11-25 00:15:15
阅读次数:
275