一道非常有意思的题目。
原题如下:
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 must not contain duplicate subsets.
For example,
If S = [1,2,3], a solution is:
[
[3],
[...
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其他好文 时间:
2014-12-15 19:10:08
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123
Implement atoi to convert a string to an integer.
Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself what are the possible input ca...
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其他好文 时间:
2014-12-15 19:07:22
阅读次数:
181
Question:Atraditionalrussionsquareismadeby4blocks,andhas7differentpatterns.GivenNblocks,howmanydifferentpatternswouldbe.N=1,P#=1N=2,P#=1N=3,P#=3N=4,P#=7.AssumeN=k,P#=PkthenwhenN=k+1,P#=foreachPinPk,appendonemoreblockaroundP,removedups.classPattern
{
List<..
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其他好文 时间:
2014-12-15 10:34:54
阅读次数:
150
Implement atoi to convert a string to an integer.
Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and ask yourself what are the possible input ca...
分类:
其他好文 时间:
2014-12-15 09:09:52
阅读次数:
166
Permutations IIGiven a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2]have the follow...
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其他好文 时间:
2014-12-13 19:16:20
阅读次数:
180
PermutationsGiven a collection of numbers, return all possible permutations.For example,[1,2,3]have the following permutations:[1,2,3],[1,3,2],[2,1,3]...
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其他好文 时间:
2014-12-13 14:59:31
阅读次数:
175
标题:String to Integer (atoi)通过率:13.8难度:简单Implementatoito convert a string to an integer.Hint:Carefully consider all possible input cases. If you want a...
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其他好文 时间:
2014-12-12 23:29:08
阅读次数:
237
Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon...
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其他好文 时间:
2014-12-11 00:12:47
阅读次数:
297
【题目】
Given a collection of integers that might contain duplicates, S, return all possible subsets.
Note:
Elements in a subset must be in non-descending order.The solution set must not con...
分类:
其他好文 时间:
2014-12-10 12:38:33
阅读次数:
196
PermutationsGiven a collection of numbers, return all possible permutations.For example,[1,2,3]have the following permutations:[1,2,3],[1,3,2],[2,1,3]...
分类:
其他好文 时间:
2014-12-10 12:18:30
阅读次数:
155