Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2]have the following unique perm...
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其他好文 时间:
2014-11-22 20:11:58
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180
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:
2014-11-22 00:37:03
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145
1.定义函数function array_unique_new($arr){$t = array_map('serialize', $arr);//利用serialize()方法将数组转换为以字符串形式的一维数组$t = array_unique($t);//去掉重复值$new_arr = arra...
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编程语言 时间:
2014-11-21 18:07:35
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224
通过rman备份不关库做dg假设主库db_unique_name=orcl备库db_unique_name=orcl21.主库归档目录,以oracle用户建立[root@orcl~]#su-oracle[oracle@orcl~]$cd/u01/oracle/oradata/orcl/arclog/[oracle@orcl~]$mkdirprmlog--主库时归档路径[oracle@orcl~]$mkdirstdlog--主库转换成..
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数据库 时间:
2014-11-21 16:30:41
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282
Follow up for "Unique Paths":
Now consider if some obstacles are added to the grids. How many unique paths would there be?
An obstacle and empty space is marked as 1 and 0 respectively
in the...
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其他好文 时间:
2014-11-21 10:41:42
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138
只要每次都保存前k优解就可以了
注意当价值一样时,只算一种,所以要进行去重复 的操作
用到了unique,
1 2 2 4 0 0
unique之后1 2 4 0 0 2
Bone Collector II
Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
T...
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其他好文 时间:
2014-11-21 09:12:39
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206
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.Each numb...
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其他好文 时间:
2014-11-21 06:57:39
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184
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 repeate...
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其他好文 时间:
2014-11-21 06:57:28
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212
# This file maps Internet media types to unique file extension(s).# Although created for httpd, this file is used by many software systems# and has be...
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其他好文 时间:
2014-11-20 18:25:53
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335
A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).
The robot can only move either down or right at any point in time. The robot is trying to reach the ...
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其他好文 时间:
2014-11-20 15:27:40
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167