【[LeetCode]题解（python）：017-Letter Combinations of a Phone Number】的更多相关文章

[LeetCode][Python]17: Letter Combinations of a Phone Number

# -*- coding: utf8 -*-'''__author__ = 'dabay.wang@gmail.com' 17: Letter Combinations of a Phone Numberhttps://oj.leetcode.com/problems/letter-combinations-of-a-phone-number/ Given a digit string, return all possible letter combinations that the numbe…

【LeetCode】017. Letter Combinations of a Phone Number

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:Digit string "23" Output: ["ad", "ae"…

【JAVA、C++】LeetCode 017 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. 解题思路: 思路一: 使用DFS算法,JAVA实现如下: static String[] alpha = new String[] { " &q…

leetcode第18题--Letter Combinations of a Phone Number

Problem: 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:Digit string "23" Output: ["ad", "ae&…

LeetCode （17）Letter Combinations of a Phone Number

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:Digit string "23" Output: ["ad", "ae",…

[Leetcode]017. Letter Combinations of a Phone Number

public List<String> letterCombinations(String digits) { LinkedList<String> ans = new LinkedList<String>(); if(digits == null || digits.length() == 0) return ans; String[] mapping = new String[] {"0", "1", "abc&qu…

017 Letter Combinations of a Phone Number 电话号码的字母组合

给定一个数字字符串,返回数字所有可能表示的字母组合. 输入:数字字符串 "23"输出:["ad", "ae", "af", "bd", "be", "bf", "cd", "ce", "cf"]. 详见:https://leetcode.com/problems/letter-combinations-of-…

LeetCode（17）Letter Combinations of a Phone Number

题目如下: Python代码: class Solution(object): def letterCombinations(self, digits): """ :type digits: str :rtype: List[str] """ if not digits: return [] dic = {':'wxyz'} result = [] self.helper(digits,dic,0,"",result) ret…

《LeetBook》leetcode题解(17):Letter Combinations of a Phone Number[M]

我现在在做一个叫<leetbook>的免费开源书项目,力求提供最易懂的中文思路,目前把解题思路都同步更新到gitbook上了,需要的同学可以去看看 书的地址:https://hk029.gitbooks.io/leetbook/ 017. Letter Combinations of a Phone Number[M] 问题 Given a digit string, return all possible letter combinations that the number could r…

[LeetCode]Letter Combinations of a Phone Number题解

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. Input:Digit string "23" Outp…