Willy Wonka and Candies

Problem description Willy Wonka has gone to collect berries for his candy. He finds a rather odd kind of bush with berries growing on the bush in a straight line.Willy also observed that the sweetness imparted by the berries to the candy produced depended on the berries he plucked. He saw that the sweetness imparted by the berry he plucked would depend on whether the neighboring berry will also