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 tele ...
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其他好文 时间:
2016-10-17 13:21:56
阅读次数:
138
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: 求C(k,n)的所有结果。 ...
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编程语言 时间:
2016-10-16 18:40:33
阅读次数:
140
Combination Sum 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. ...
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其他好文 时间:
2016-10-04 09:52:29
阅读次数:
215
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example, given n = 3, a solution set is: ...
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其他好文 时间:
2016-10-02 00:41:14
阅读次数:
129
Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telepho ...
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其他好文 时间:
2016-10-02 00:20:22
阅读次数:
192
题目: Given two integers n and k, return all possible combinations of k numbers out of 1 ... n. (Medium) For example,If n = 4 and k = 2, a solution is: ...
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其他好文 时间:
2016-09-30 02:05:50
阅读次数:
148
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums toT. Each numb ...
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其他好文 时间:
2016-09-25 11:55:00
阅读次数:
140
题目: 给定一个数字字符串,返回数字所能代表的所有字母组合; 举例: Input:Digit string "23" Output: ["ad", "ae", "af", "bd", "be", "bf", "cd", "ce", "cf"]. 解题思路: 1. 首先要判断给定的数字字符串是否合法( ...
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其他好文 时间:
2016-09-17 21:42:43
阅读次数:
130
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: ...
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其他好文 时间:
2016-09-17 07:11:53
阅读次数:
121