OJ上的题 求大神解答一下

约瑟夫环的系列问题 求大神解答 源代码最好...............................................................

I think you can find the answer here
http://baike.baidu.com/link?url=0iMX_9b0_VpNFQQtbAuD06cI0SdcNgnVc45NZpzKc1l-xICjlMs-c-Ox3QhYrRZPz7L3NIX-Lb7s02P-g6Dy-5ARhCIQV0e479UptzbUpYVr4_WSAOXceuvpK3NtXtx5