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Problem 1124. String permutations on phone keyboard

Created by Mehmet OZC

Given a number such as 2639 return all possible string permutations using the phone-keyboard on Problem 1069.

input = 2639

output = {'amdw' 'amdx' 'amdy' ... 'andy' 'andz' ... 'body' 'bodz' ... 'cody' ... 'cofz'}

Problem Group

Solution Statistics

20 correct solutions 15 incorrect solutions
Last solution submitted on Nov 03, 2014

Solution Comments