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17. Letter Combinations of a Phone Number[M]电话号码的字母组合

题目 Given a string containing digits from 2-9 inclusive, 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 that 1 does not map to any lett…

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# -*- 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…

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17. Letter Combinations of a Phone Number Medium Given a string containing digits from 2-9 inclusive, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telephone buttons) is given…

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一.题目说明 题目17. Letter Combinations of a Phone Number,题目给了下面一个图,输入一个字符串包括2-9,输出所有可能的字符组合. 如输入23所有可能的输出: "ad", "ae", "af", "bd", "be", "bf", "cd", "ce", "cf" 二.我的做法 这个题目…

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[LeetCode] 17. Letter Combinations of a Phone Number 电话号码的字母组合

Given a string containing digits from 2-9inclusive, 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 that 1 does not map to any letters. E…

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 17]Letter Combinations of a Phone Number

1 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&quo…