I understand your point. But, for instance, the first interviewer said : "if you've already solved this problem, please say it and we change it". I think I didn

I understand your point. But, for instance, the first interviewer said : "if you've already solved this problem, please say it and we change it". I think I didn't do anything bad when I said it was pretty common and the solutions are X and Y... I'll not lie and say that's the first time I have to code a solution to reverse words in a String and dealt with it like it's an NP Problem...