← Discussions on Reverse Bits
K kavyanai4
28 May 2026, 15:14

Intuition + complexity breakdown for Reverse Bits.

XOR cancels equal numbers, and x & (x - 1) clears the lowest set bit. Both give O(1) space solutions here.

3 replies

anirudhsubramanian 4 months, 2 weeks ago

Watch out for integer overflow in Java on the large test.

kkumar 4 months, 2 weeks ago

Watch out for integer overflow in Java on the large test.

sahil.p 4 months, 2 weeks ago

Nice. Got asked a variant of this in an interview.

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