Prime Ring Problem 杭州电子科技大学ACM在线判定系统的1016题素数环，本人自己写的算法，有兴趣的同学可以拿去参考下，正常情况是可以AC的-Prime Ring Problem, Hangzhou University of Electronic Science and Technology ACM determine the system' s 1016 title-line prime ring, I write their own algorithms, in