摘要: Write a program to find the n-th ugly number. Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. For example, 1, 2, 3, 4, 5, 阅读全文
posted @ 2017-05-08 16:46 MT.Queen 阅读(124) 评论(0) 推荐(0) 编辑