Introduction - If you have any usage issues, please Google them yourself
There are N coins (even) face up in a row, each N-1 coins upside down on the original location, repeating the above process until all coins translated into their reverse side facing up. The design process for the computer to turn the coin of the most simple process, as well as the number of turned coins output (* indicates a positive, O negative) 2, there are N coins (N odd) face up in a row, each N-2 coins upside down on the original location, repeating the above process until all the last coin translated the reverse side facing up. Allows the computer to turn the coin of the most simple process, as well as the number of turned coins output (* indicates a positive, O negative)