2016年9月13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 @ 2016-09-13 16:18 icychen 阅读(113) 评论(0) 推荐(0) 编辑