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:
2014-09-09 21:17:39
阅读次数:
205
Problem Description:
Given a collection of numbers that might contain duplicates, return all possible unique permutations.
For example,
[1,1,2] have the following unique permutations:
[1,1,2...
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其他好文 时间:
2014-09-09 16:17:29
阅读次数:
200
Implementatoito convert a string to an integer.Hint:Carefully consider all possible input cases. If you want a challenge, please do not see below and ...
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其他好文 时间:
2014-09-09 15:09:08
阅读次数:
256
Letter Combinations of a Phone Number
Total Accepted: 15964 Total
Submissions: 60700My Submissions
Given a digit string, return all possible letter combinations that the number could repr...
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其他好文 时间:
2014-09-09 13:13:39
阅读次数:
191
You should do it in a single SQL statement if at all possible. And believe it or not, it is almost always possible.If you can’t do it in a single SQL ...
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移动开发 时间:
2014-09-09 12:16:38
阅读次数:
262
Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2] have the following unique per...
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其他好文 时间:
2014-09-08 00:55:26
阅读次数:
269
题目原文
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 in...
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其他好文 时间:
2014-09-07 11:03:05
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:
2014-09-06 18:40:43
阅读次数:
224
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...
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其他好文 时间:
2014-09-06 07:32:22
阅读次数:
239
题目大意是有n个房间组成一棵树,你有m个士兵,从1号房间开始让士兵向相邻的房间出发,每个房间里有一个代价,代价是值/20个士兵,同时有一个价值,问你花费这m个士兵可以得到的最大价值是多少定义dp[i][j]表示根结点为i时,用掉j个士兵获得的最大possible。dp[i][j] = max(dp[...
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其他好文 时间:
2014-09-05 12:39:41
阅读次数:
165