CodeFights Solves It: pressingButtons

pressingButtons technical interview question solution

Time to call 1-800-CODEFIGHTS (that’s 1-800-2633344487)! Given a number, your job is to find all the possible strings that the number could represent on a telephone’s number pad. This week’s Interview Practice Task of the Week was pressingButtons. This programming problem has been asked in technical interviews at Google, Amazon, Uber, and Facebook. In other words, this is a classic question! In classic CodeFights Solves It fashion, I’m going to tell you to go solve the problem yourself first. After

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