摘要: Problem code: LCMSUMGiven n, calculate the sum LCM(1,n) + LCM(2,n) + .. + LCM(n,n), where LCM(i,n) denotes the Least Common Multiple of the integers i... 阅读全文
posted @ 2014-08-28 21:07 芷水 阅读(420) 评论(0) 推荐(0) 编辑