2018年8月9日
poj-2154-polya+euler函数
摘要： Color Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 11758 Accepted: 3783 Description Beads of N colors are connected together into a circ 阅读全文
posted @ 2018-08-09 16:48 *zzq 阅读(197) 评论(0) 推荐(0)
poj-1026-置换
摘要： Cipher Bob and Alice started to use a brand-new encoding scheme. Surprisingly it is not a Public Key Cryptosystem, but their encoding and decoding is 阅读全文
posted @ 2018-08-09 10:50 *zzq 阅读(140) 评论(0) 推荐(0)