典型的报数程序，编程入门时非常重要。内容是有n个人围成一圈报数，报到m的退出。其余人继续报数，直到只剩下一个人为止。-A typical report of the audit process, when the program started is very important. Contents of the report is a circle with n number of individuals, to report m the exit. The remaining number of people continue to report until the next person only so far.