Problem 1124. String permutations on phone keyboard
Given a number such as 2639 return all possible string permutations using the phone-keyboard on Problem 1069.
input = 78
output = {'pt';'pu';'pv';'qt';'qu';'qv';'rt';'ru';'rv';'st';'su';'sv'}
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2 Comments
Rafael S.T. Vieira
on 1 Sep 2020
This problem needs more test cases, and include the number 1 as well as complete phone numbers.
Dyuman Joshi
on 16 Jan 2022
Test suite is updated with additional test cases.
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