原文:[LeetCode] Letter Combinations of a Phone Number

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. Note:Although the above ...

2012-11-12 11:30 0 5158 推荐指数:

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LeetCode:Letter Combinations of a Phone Number

题目链接 Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like ...

Fri Jun 06 06:17:00 CST 2014 0 3383
LeetCode(17) - Letter Combinations of a Phone Number

  经典的backtracking(回溯算法)的题目。当一个题目,存在各种满足条件的组合,并且需要把它们全部列出来时,就可以考虑backtracking了。当然,backtracking在一定程度上属 ...

Sun Mar 13 20:23:00 CST 2016 0 3788
LeetCode:Combinations

题目链接 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 ...

Fri Dec 06 23:50:00 CST 2013 0 2462
 
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