The director of a circus has decided to add a new performance, the monkey dance, to his show.

The monkey dance is danced simultaneously by 21 monkeys.
There are 21 circles drawn on the ground, and in the beginning, each monkey sits on a different circle.
There are 21 arrows drawn from circle to circle in such a way that exactly one arrow starts and exactly one arrow ends in each circle. No arrow can both begin and end at the same circle.

When the show begins, the monkeys dance in their circles until the ringmaster blows his whistle. At each whistle blow, the monkeys simultaneously jump from their circles to the next, following the arrows. The dance ends when all the monkeys have returned to the circles where they initially started.

The director wishes the dance to last as long as possible. What is the maximum number of whistle blows he can make before the dance ends?

Monkey dance is a form of entertainment that involves a group of people imitating the movements of monkeys in a playful and exaggerated manner. This dance form is typically performed at festivals and events, and it often involves participants wearing costumes and masks to enhance the performance. The dance usually begins with one person starting to move like a monkey, and soon, the rest of the group follows suit, creating a synchronized and amusing display. Once they start dancing, the performers are known to keep the energy and excitement level high throughout the performance.

Posted by JamesYawn on 2023-05-08 13:50:25