Approach Summary
For each of 32 bits: shift result left, OR in LSB of n, shift n right. After 32 iterations result holds reversed bits.
How to Recognize This Pattern
- Reverse all 32 bits of an unsigned integer
- Process bit-by-bit: extract LSB, append to result
Complexity Analysis
Time Complexity
O(1)
Space Complexity
O(1)
Tags
Divide and Conquer Bit Manipulation