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Optum LeetCode Questions 2026

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

Last updated: 10 July 2026

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Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Reverse Prefix of Word	EASY	100%	Two PointersStringStack
Bank Account Summary	MEDIUM	100%	Database
Longest Common Subsequence	MEDIUM	75%	StringDynamic Programming
Maximum Subarray	MEDIUM	62.5%	ArrayDivide and ConquerDynamic Programming
Two Sum	EASY	62.5%	ArrayHash Table
All O`one Data Structure	HARD	62.5%	Hash TableLinked ListDesignDoubly-Linked List
Longest Substring Without Repeating Characters	MEDIUM	62.5%	Hash TableStringSliding Window

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