Reverse Bits


Reverse the bits of an 32 bit unsigned integer A.

Input Format:

    First and only argument of input contains an integer A

Output Format:

    return a single unsigned integer denoting minimum xor value

Constraints:

0 <= A < 2^32

For Examples :

Example Input 1:
    A = 0
Example Output 1:
    0
Explanation 1:
        00000000000000000000000000000000  
=>      00000000000000000000000000000000
Example Input 2:
    A = 3
Example Output 2:
    3221225472
Explanation 2:
          00000000000000000000000000000011 
=>        11000000000000000000000000000000

Since java does not have unsigned int, use long

NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a doubt? Checkout Sample Codes for more details.
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