2016年12月17日
HDU 5634 Rikka with Phi (线段树)
摘要： Problem DescriptionRikka and Yuta are interested in Phi function (which is known as Euler's totient function).Yuta gives Rikka an array A[1..n] of pos... 阅读全文
posted @ 2016-12-17 15:25 Shendu.CC 阅读(192) 评论(0) 推荐(0)