aditya109/git-osp-for-beginners

Letter Combinations of a Phone Number [C++-Solution required]

Closed this issue · 12 comments

aditya109 commented

Given a string containing digits from 2-9 inclusive, return all possible letter combinations that the number could represent. Return the answer in any order.

A mapping of digit to letters (just like on the telephone buttons) is given below. Note that 1 does not map to any letters.

img

Example 1:

Input: digits = "23"
Output: ["ad","ae","af","bd","be","bf","cd","ce","cf"]

Example 2:

Input: digits = ""
Output: []

Example 3:

Input: digits = "2"
Output: ["a","b","c"]

Constraints:

  • 0 <= digits.length <= 4
  • digits[i] is a digit in the range ['2', '9'].

Reference: https://leetcode.com/problems/letter-combinations-of-a-phone-number/

varnaa commented

@aditya109 Hi, can i work on this issue ?

aditya109 commented

Hi @varnaa ! have assigned this issue to you. Before raising a PR, please take a look at CONTRIBUTING.md and follow the guidelines. Also, if it is not too much to ask, please consider starring ⭐ the repository. It helps boost the repo popularity and guide more people towards active contribution. That is all. Happy hacking !

harshitcodes1 commented

@aditya109 Hi, can I work on this issue? Please

aditya109 commented

Hi @harshitcodes1 ! Sure thing. I have assigned this issue to you.
Before raising a PR, please take a look at CONTRIBUTING.md and follow the guidelines.
Also, if it is not too much to ask, please consider starring ⭐ the repository. It helps boost the repo popularity and guide more people towards active contribution. That is all. Happy hacking !

harshitcodes1 commented

Thank you sir I will try my best

  • ❤️1
aditya109 commented

Thank you sir I will try my best

Hi @harshitcodes1 ! Aditya is fine, don't be so formal ! 😆

harshitcodes1 commented

Please check I have made a Pull Request #530. And please tell me if any mistake I have done in that PR. (Beginner Contributor)

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aditya109 commented

Please check I have made a Pull Request #530. And please tell me if any mistake I have done in that PR. (Beginner Contributor)

Hi @harshitcodes1 ! Please check my comments and rectify the same. LMK when you are done.

harshitcodes1 commented

Sir can you specify my mistake because I followed the contributing.md.

aditya109 commented

Sir can you specify my mistake because I followed the contributing.md.

Read this comment on your PR #530 (review)

harshitcodes1 commented

Ohh got it 😅

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harshitcodes1 commented

Please check I have changed the extension of the file. #530

  • 👍1