摘要: 题目链接:https://www.nowcoder.com/acm/contest/90/F 题目描述: 给定n,求1/x + 1/y = 1/n (x<=y)的解数。(x、y、n均为正整数) 知识点: 算术基本定理 解题思路: \(1/x + 1/y = 1/n\) \(yn + xn - xy 阅读全文
posted @ 2018-03-25 17:54 Blogggggg 阅读(218) 评论(0) 推荐(0) 编辑