Description
We are given a rooted tree of n vertices. The vertices are to be labeled with numbers
1, 2,..., n so that each label is unique and the heap condition holds, i.e. the label of any verte...
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其他好文 时间:
2014-08-22 17:53:39
阅读次数:
264
Combination Sum
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums
to T.
The same repeated number may be chosen ...
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其他好文 时间:
2014-08-22 16:24:19
阅读次数:
202
//php 控制器文件'12333','a2'=>'2222222','a3'=>'333333','a4'=>'3333333');$smarty->assign($qq_numbers);$smarty->assign('title','这是我的QQ号码');$smarty->assign('c...
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其他好文 时间:
2014-08-22 12:08:16
阅读次数:
131
1.禁止单个IP 2.禁止IP段$ban_range_low && $ip 另外请注意,PHP的ip2long有bug,请慎用"; //输出是 979569409 echo ip2long('58.99.011.1'),""; //输出是 979568897 echo ip2long('058...
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Web程序 时间:
2014-08-22 10:43:26
阅读次数:
205
DescriptionBusinesses like to have memorable telephone numbers. One way to make a telephone number memorable is to have it spell a memorable word or p...
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其他好文 时间:
2014-08-22 00:19:05
阅读次数:
195
特性一:函数可以穿出不固定的同一种类型的参数(参数的个数不固定)example:“func sumOf(numbers: Int...) -> Int { var sum = 0 for number in numbers { sum += number } r...
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编程语言 时间:
2014-08-22 00:06:35
阅读次数:
301
Given a sorted array of integers, find the starting and ending position of a given target value.Your algorithm's runtime complexity must be in the ord...
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其他好文 时间:
2014-08-21 22:33:34
阅读次数:
240
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below....
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其他好文 时间:
2014-08-21 21:11:24
阅读次数:
213
range的用法:>>> range(1,5) #代表从1到5(不包含5)[1, 2, 3, 4]>>> range(1,5,2) #代表从1到5,间隔2(不包含5)[1, 3]>>> range(5) #代表从0到5(不包含5)[0, 1, 2, 3, 4]列表操作:array = [1, 2, ...
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编程语言 时间:
2014-08-21 21:06:44
阅读次数:
252
思路: 枚举
Reduced ID Numbers
Time Limit: 2000MS Memory Limit: 65536K
Total Submissions: 8847 Accepted: 3552
Description
T. Chur teaches various groups of students at university U. Every U-student ...
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其他好文 时间:
2014-08-21 17:24:04
阅读次数:
166