Statement

You may not know that William is an expert about muffins: he is even able to immediately judge the taste T_i of a muffin without even biting it! He is now in front of a long row of N muffins, and he really wants to eat some of them. The only way to pick up a muffin is to use a wide paddle that can lift exactly K muffins at a time, precisely the number that William wants. Help him choosing the best range of K adjacent muffins with the highest sum of tastes, to maximize his satisfaction!