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Nextdoor LeetCode Questions 2026

Browse LeetCode problems frequently asked by Nextdoor. Filter by difficulty and timeframe to focus your interview prep.

Last updated: 20 Feb 2026

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Compare Version Numbers	MEDIUM	100%	Two PointersString
Trapping Rain Water	HARD	62.5%	ArrayTwo PointersDynamic ProgrammingStackMonotonic Stack
Merge Intervals	MEDIUM	75%	ArraySorting
All O`one Data Structure	HARD	87.5%	Hash TableLinked ListDesignDoubly-Linked List

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