Given a set of distinct integers,S, return all
possible subsets.Note: Elements in a subset must be in non-descending order. The
solution set m...
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其他好文 时间:
2014-06-04 20:01:32
阅读次数:
340
The set[1,2,3,…,n]contains a total ofn! unique
permutations.By listing and labeling all of the permutations in order,We get the
following sequence (ie...
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其他好文 时间:
2014-06-04 19:56:17
阅读次数:
347
Given an integern, generate a square matrix
filled with elements from 1 ton2in spiral order.For example,Givenn=3,You should
return the following matri...
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其他好文 时间:
2014-06-04 19:28:23
阅读次数:
220
Given an array withnobjects colored red, white or
blue, sort them so that objects of the same color are adjacent, with the colors
in the order red, wh...
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其他好文 时间:
2014-06-03 13:13:50
阅读次数:
537
关于index_hint
在mysql查询语句中可以通过指定index_hint来告诉优化器如何使用索引,详细可以参考这里index_hint: USE {INDEX|KEY} [FOR
{JOIN|ORDER BY|GROUP BY}] ([index_list]) | IGNO...
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数据库 时间:
2014-06-03 13:05:59
阅读次数:
394
在Android源码中发现,会如下使用:dlsym(RTLD_DEFAULT, name);也就是说
handle=RTLD_DEFAULT,在网上查了下,大致是说会在当前进程中按照 default library search
order搜索name这个symbol。其中RTLD_DEFAULT=...
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其他好文 时间:
2014-05-31 13:12:22
阅读次数:
196
DescriptionLet us consider sets of positive
integers less than or equal ton. Note that all elements of a set are different.
Also note that the order o...
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其他好文 时间:
2014-05-31 05:12:49
阅读次数:
246
DescriptionYou have an
arraya[1],?a[2],?...,?a[n], containing distinct integers from1ton. Your task is
to sort this array in increasing order with the...
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其他好文 时间:
2014-05-31 01:35:23
阅读次数:
318
Given an array where elements are sorted in
ascending order, convert it to a height balanced BST./** * Definition for binary
tree * struct TreeNode { ...
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其他好文 时间:
2014-05-30 15:10:23
阅读次数:
227
DescriptionAn ascending sorted sequence of
distinct values is one in which some form of a less-than operator is used to
order the elements from smalle...
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其他好文 时间:
2014-05-30 14:31:10
阅读次数:
297