2016年8月9日
leetcode 279: Perfect Squares
摘要： Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) which sum to n. For example, given n = 12, 阅读全文
posted @ 2016-08-09 19:59 西小贝 阅读(127) 评论(0) 推荐(0)
leetcode 264: Ugly Number II
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 @ 2016-08-09 10:54 西小贝 阅读(192) 评论(0) 推荐(0)