LeetCode solutions

2792. Neighboring Bitwise XOR

My accepted Python solution to LeetCode problem 2792, Neighboring Bitwise XOR, running in 19ms.

Difficulty: Medium
Python
Runtime 19ms
Memory 22.5MB

By Pranay Mahendrakar
Updated 20 Aug 2026

Read the problem on LeetCode View on GitHub

The problem statement is LeetCode’s and stays on their site. What follows is my accepted solution.

Python

Accepted on LeetCode — runtime 19ms, memory 22.5MB, accepted 2026-01-01.

python

class Solution:
        def doesValidArrayExist(self, derived: List[int]) -> bool:
                return sum(derived) % 2 == 0

Source