← All problemsSign in

XOR Smaller

CodeChefRating 1488Open on judge ↗

You are given an array $A$ containing $N$ elements. Count the number of positive integers $X$ satisfying the following condition : - $(X \oplus A_i) < A_i$ for all $1 \le i \le N$, where $\oplus$ represents the Bitwise XOR operator. It can be proven that the answer is always finite under the given constraints. ### Input - The first line of input will contain a single integer $T$, denoting the

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