【Leetcode】【Medium】Letter Combinations of a Phone Number

【【Leetcode】【Medium】Letter Combinations of a Phone Number】的更多相关文章

【leetcode】Letter Combinations of a Phone Number

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" Outpu…

【LeetCode题意分析&解答】40. Combination Sum II

Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. Each number in C may only be used once in the combination. Note: All numbers (including target) will be posi…

【LeetCode题意分析&解答】37. Sudoku Solver

Write a program to solve a Sudoku puzzle by filling the empty cells. Empty cells are indicated by the character '.'. You may assume that there will be only one unique solution. A sudoku puzzle... ...and its solution numbers marked in red. 题意分析: 本题是要解…

【LeetCode题意分析&解答】35. Search Insert Position

Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order. You may assume no duplicates in the array. Here are few examples.[1,3,5,6], 5 → 2[1,3,5,6], 2 →…

Leetcode之回溯法专题-17. 电话号码的字母组合(Letter Combinations of a Phone Number)

[Leetcode]17. 电话号码的字母组合(Letter Combinations of a Phone Number) 题目描述: 给定一个仅包含数字 2-9 的字符串,返回所有它能表示的字母组合. 给出数字到字母的映射如下(与电话按键相同).注意 1 不对应任何字母. 示例: 输入:"23"输出:["ad", "ae", "af", "bd", "be", "bf&qu…

[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…

Letter Combinations of a Phone Number - LeetCode

目录题目链接注意点解法小结题目链接 Letter Combinations of a Phone Number - LeetCode 注意点可以不用按字典序排序解法解法一:输入的数字逐个处理,在已经生成的字符串后面追加该当前数字对应的所有字符.时间复杂度为O(n) class Solution { public: vector<string> letterCombinations(string digits) { vector<string> ans,temp_an…

LeetCode解题报告—— Container With Most Water & 3Sum Closest & Letter Combinations of a Phone Number

1. Container With Most Water Given n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line i is at (i, ai) and (i, 0). Find two lines, which togethe…

Leetcode 17. Letter Combinations of a Phone Number(水)

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…

《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 解题报告

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"Output…

[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…

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

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. Notice Although the above answer is in lexicographical order, your answe…

算法练习--LeetCode--17. Letter Combinations of a Phone Number

Letter Combinations of a Phone NumberMedium 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 belo…

69. Letter Combinations of a Phone Number

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" Outpu…

Letter Combinations of a Phone Number：深度优先和广度优先两种解法

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" Outpu…

leetcode-algorithms-17 Letter Combinations of a Phone Number

leetcode-algorithms-17 Letter Combinations of a Phone Number 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 butto…

刷题17. Letter Combinations of a Phone Number

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…

【Leetcode】【Medium】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" Output: ["ad", "ae", &q…

【一天一道LeetCode】#17. Letter Combinations of a Phone Number

一天一道LeetCode (一)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",…

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

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 个人公众号:负雪明烛本文关键词:电话号码, 字母组合,回溯法,题解,leetcode, 力扣,Python, C++, Java 目录题目描述题目大意解题方法回溯法内置函数循环日期题目地址:https://leetcode.com/problems/generate-parentheses/description/ 题目描述 Given a string contain…

【leetcode】 Letter Combinations of a Phone Number(middle)

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", &q…

【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…

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