随笔分类 -  置换群

摘要:poj 1026 Cipher (置换群,循环节) POJ - 1026 题意: Bob and Alice started to use a brand-new encoding scheme. Surprisingly it is not a Public Key Cryptosystem, b 阅读全文
posted @ 2020-07-14 16:40 茄子Min 阅读(195) 评论(0) 推荐(0)