Power of Four（Difficulty: Easy）
摘要：
题目： Given an integer (signed 32 bits), write a function to check whether it is a power of 4. Example:Given num = 16, return true. Given num = 5, retur 阅读全文
posted @ 2016-05-06 17:40 小凉 阅读(204) 评论(0) 推荐(0) 编辑
