← All problemsSign in

Single Operation Part 2

CodeChefRating 1273Open on judge ↗

Chef has the binary representation $S$ of a number $X$ with him. He can modify the number by applying the following operation **exactly once**: - Make $X := X \oplus \lfloor \frac{X}{2^{Y}} \rfloor$, where $(1 \leq Y \leq |S|)$ and $\oplus$ denotes the [bitwise XOR operation](https://en.wikipedia.org/wiki/Bitwise_operation#XOR). Chef wants to **minimize** the value of $X$ after performing the ope

HINT LADDERno hints yet
L1 Observation
L2 Technique
L3 Approach
L4 Pseudo-code
🔒
L5 Full solution
L5 unlocks only if you insist twice
solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI

Sign in to chat with the tutor and save your progress.

Sign in to start