#845Medium#58 in Infosys's list· asked at 34 companies
Letter Combinations of a Phone Number
Hosted on LeetCode
Solve it on LeetCode, track it here.
This problem's full statement lives on LeetCode. Open it in a new tab, then come back to mark it solved, add notes and keep your streak.
LeetCode Premium locked?
Most company-tagged LeetCode problems are behind Premium. If you have ChatGPT Plus or Claude Pro, ask it for the full statement, examples and constraints. The buttons below open a chat with the prompt already filled in.
What we know
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'].