摘要: 原题: Given an integer, write a function to determine if it is a power of three. Follow up: Could you do it without using any loop / recursion? 这个题目本身没有 阅读全文
posted @ 2016-01-09 14:53 cotyb 阅读(914) 评论(0) 推荐(1) 编辑
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