# Whiteboarding Role Play
Blake (Amazon) joined us to provide a mock interview for C4 students. Instructors Charles and Jeremy played the roles of interviewees. They did not know the question beforehand, but they were asked to model a "bad" interview (Charles) and "good" interview (Jeremy).

## The problem
Given an array of non-negative numbers, write a function to determine if any two numbers sum to 10.

## Sample solutions
To see some sample solutions, click [here](WB-2016-01-27-solutions.md).
