摘要: 原题 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, 阅读全文
posted @ 2017-03-09 11:33 puyangsky 阅读(638) 评论(0) 推荐(0)