2016年2月21日
258.Add Digits
摘要： 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 @ 2016-02-21 22:55 torrescx 阅读(195) 评论(0) 推荐(0) 编辑