On the subject of Google Interview challenges and keypads, I wrote about a Google keypad challenge here: https://umaar.com/blog/my-code-exercise-submissions-par

On the subject of Google Interview challenges and keypads, I wrote about a Google keypad challenge here: https://umaar.com/blog/my-code-exercise-submissions-part-1/ https://umaar.com/blog/my-code-exercise-submissions-part-1/ - it's all about outputting keypad directions such as "right, right, ⏎" based on the desired input.