Available question text
Check by level-order traversal that each even-indexed level contains only odd values in strictly increasing order (left-to-right) and each odd-indexed level contains only even values in strictly decreasing order; return true iff all levels satisfy these parity and monotonicity constraints.
Related questions
Continue with questions that share topics or the same question type.
Sources · 1 reference
These records explain where the question appears. A company tag or candidate report does not guarantee a future interview question.
Hello Interview · 1 record
Meta
Leetcode 1609. Even Odd Tree
Reported Sep 6, 2024 · 1 source report
STAFF
Source snapshot: Nov 12, 2026
View source