How to write code to realize the effect of dividing candy

This article introduces the knowledge about "how to write code to achieve the candy effect". In the actual case operation process, many people will encounter such difficulties. Next, let Xiaobian lead you to learn how to deal with these situations! I hope you can read carefully and learn something!

problem description

There are n children sitting in a circle. The teacher gave each child an even number of sweets at random, and then played the following game: Each child divided half of his sweets into the children on the left. After a round of sugar distribution, children with odd numbers of sugars are supplemented by one candy by the teacher, thus becoming even numbers. Repeat this game until all children have the same number of sweets. Your task is to predict how many sweets the teacher will need to reissue given the initial candy.

Input format: The program first reads in an integer N(2