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'}

Solution Stats

71 Solutions

24 Solvers

Last Solution submitted on Jan 03, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments
Loading...