Letter Combinations of a Phone NumberGiven a digit string, return all possible letter combinations that the number could represent.A mapping of digit ...
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其他好文 时间：
2015-01-13 14:03:28
阅读次数：
226
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 exa...
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其他好文 时间：
2015-01-13 10:35:09
阅读次数：
181
Given two integers n and k, return all possible combinations of k numbers out of 1 ... n.
For example,
If n = 4 and k = 2, a solution is:
[
[2,4],
[3,4],
[2,3],
[1,2],
[1,3],
[1,4],
]...
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其他好文 时间：
2015-01-13 08:58:28
阅读次数：
117
Given 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],[2,3,1],[3,...
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其他好文 时间：
2015-01-12 17:31:04
阅读次数：
164
题目：
Given a digit string, return all possible letter combinations that the number could represent.
A mapping of digit to letters (just like on the telephone buttons) is given below.
Input:D...
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编程语言 时间：
2015-01-11 14:56:20
阅读次数：
236
Given two integersnandk, return all possible combinations ofknumbers out of 1 ...n.For example,Ifn= 4 andk= 2, a solution is:[ [2,4], [3,4], [2,3],...
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其他好文 时间：
2015-01-11 00:54:09
阅读次数：
242
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：
2015-01-10 17:51:39
阅读次数：
272
题目：
Given two integers n and k, return all possible combinations of k numbers out of 1 ... n.
For example,
If n = 4 and k = 2, a solution is:
[
[2,4],
[3,4],
[2,3],
[1,2],
[1,3],
...
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编程语言 时间：
2015-01-10 11:20:00
阅读次数：
280
The problem:Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given"25525511135",r...
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其他好文 时间：
2015-01-10 01:03:04
阅读次数：
318
Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.
If such arrangement is not possible, it must rearrange it as the lowest possible o...
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其他好文 时间：
2015-01-09 14:22:04
阅读次数：
201
