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Version:
v0.0.0-...-d3fc627
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Published: Feb 15, 2020
License: MIT
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README
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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, return false.
Follow up: Could you solve it without loops/recursion?
Credits:Special thanks to @yukuairoy for adding this problem and creating all test cases.
解题思路
见程序注释
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