82. Reverse Bits

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Input: n = 43261596

Output: 964176192

Explanation: 43261596 => 00000010100101000001111010011100 and 964176192 => 00111001011110000010100101000000

Input: n = 2147483644

Output: 1073741822

Explanation: 2147483644 => 01111111111111111111111111111100 1073741822 => 00111111111111111111111111111110

Time Complexity

O(1)

Space Complexity

O(1)