2018年4月28日
ccpc 女生专场 C - Coprime Sequence HDU - 6025
摘要： Do you know what is called ``Coprime Sequence''? That is a sequence consists of nnpositive integers, and the GCD (Greatest Common Divisor) of them is 阅读全文
posted @ 2018-04-28 21:29 zhang_upstar 阅读(153) 评论(0) 推荐(0) 编辑