RIOT Walk

Question 1

R in RIOT Walk

Answer 1

First, just restate the problem back. Use your own wording, not the word for word description given. Demonstrate that you understand the problem. Take the opportunity to ask clarifying questions - your interviewer will nod, contribute details, correct your description or otherwise reveal additional information.

Question 2

IO in RIOT Walk

Answer 2

State a few inputs with their outputs. “For the IsOdd function, if I pass in 3, I expect true. For 6, I expect false. Am I thinking about this right?

Question 3

T in RIOT Walk

Answer 3

Now you can channel your inner ETG (Evil Test Genius). In the whiteboard corner, list all the off-the-wall input parameters you can think of: negatives, non-integers, empty arrays, string instead of arrrays, really huge inputs, miraculously unlikely inputs, inputs that break the rules, missing parameters.