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Given a regular phone number dial pad, write code that will list out all the possible letter combinations that can be made given three numerical digits as input. For example, the base function would look like this: function numberToChars(int *numbers) { // would return an array of different character combinations // if input was 123 // output: adg, adh, adi, bdg, etc... }
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Software Development Engineer In Test (SDET)

Interviewed at Microsoft

4★
Aug 18, 2015

Given a regular phone number dial pad, write code that will list out all the possible letter combinations that can be made given three numerical digits as input. For example, the base function would look like this: function numberToChars(int *numbers) { // would return an array of different character combinations // if input was 123 // output: adg, adh, adi, bdg, etc... }

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