I agree with you; it is easy solving sitting at the computer, but in front of a group of interviewers might be stressful like that. The method to solve it depe

I agree with you; it is easy solving sitting at the computer, but in front of a group of interviewers might be stressful like that. The method to solve it depends on the programming language. In this case, I would use Haskell; however, this would likely be a part of a larger program, and in that case the programming language that the larger program is written in would be used instead.