It's a three way street. One third of candidates don't try, one third can't do the only question that is to print numbers from 1 to N, one third succeed. It sa

It's a three way street. One third of candidates don't try, one third can't do the only question that is to print numbers from 1 to N, one third succeed. It saves a lot of time for everyone. Including time for the phone call with the team lead/manager where you will have the opportunity to discuss the role and the company in much greater details.