2015年12月13日
Add Digits
摘要： 题目：Given a non-negative integer num, repeatedly add all its digits until the result has only one digit.For example:Given num = 38, the process is like... 阅读全文
posted @ 2015-12-13 18:33 lasclocker 阅读(110) 评论(0) 推荐(0) 编辑
[leetcode] Perfect Squares
摘要： 题目：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 = 1... 阅读全文
posted @ 2015-12-13 09:35 lasclocker 阅读(152) 评论(0) 推荐(0) 编辑