这是一个约瑟夫环问题，也可以看作是一个有趣的小游戏。有n个人围成一圈，每人手持一个密码；从第一个人开始报数，报到上限值就出列，并报出自己的密码，直到最后一个出列。-This is an issue of Joseph ring can also be seen as an interesting little game. There are n individuals form a circle, each armed with a password from the beginning th