2015年12月27日
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, return 3 because 12 = 4 + 4 + 4; given n = 13, re... 阅读全文
posted @ 2015-12-27 11:52 dylqt 阅读(199) 评论(0) 推荐(0)