摘要：
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 fa 阅读全文
posted @ 2017-06-26 23:35
Jimmy_Cheng
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摘要：
Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight). For example, the 32-bit 阅读全文
posted @ 2017-06-26 22:49
Jimmy_Cheng
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摘要：
Reverse bits of a given 32 bits unsigned integer. For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), retur 阅读全文
posted @ 2017-06-26 07:40
Jimmy_Cheng
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