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, 6, 8, 9, 10, 12 is the sequence of the first 10 ug... 阅读全文
posted @ 2015-12-21 14:17 dylqt 阅读(125) 评论(0) 推荐(0) 编辑