摘要: 题目链接: https://projecteuler.net/problem=516 题目: $5$ smooth numbers are numbers whose largest prime factor doesn't exceed $5$. $5$ smooth numbers are al 阅读全文
posted @ 2018-01-18 23:11 LzyRapx 阅读(397) 评论(0) 推荐(0) 编辑