25: Reverse bits
Given 32 bits unsigned integer
, write a method to reverse
bits
Example 1
Input: 1
Output: 2147483648
Explanation:
1
=00000000 00000000 00000000 00000001
,2147483648
=10000000 00000000 00000000 00000000
Example 2
Input: 7
Output: 3758096384