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Ebay LeetCode Questions 2026

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

Last updated: 20 May 2026

Timeframe

Difficulty

Problem	Difficulty	Frequency	Topics
Two Sum	EASY	87.5%	ArrayHash Table
Longest Substring Without Repeating Characters	MEDIUM	62.5%	Hash TableStringSliding Window
Longest Palindromic Substring	MEDIUM	75%	Two PointersStringDynamic Programming
Valid Parentheses	EASY	75%	StringStack
Merge k Sorted Lists	HARD	50%	Linked ListDivide and ConquerHeap (Priority Queue)Merge Sort
Group Anagrams	MEDIUM	62.5%	ArrayHash TableStringSorting
Best Time to Buy and Sell Stock II	MEDIUM	50%	ArrayDynamic ProgrammingGreedy
Word Ladder	HARD	75%	Hash TableStringBreadth-First Search
LRU Cache	MEDIUM	100%	Hash TableLinked ListDesignDoubly-Linked List
Number of Islands	MEDIUM	75%	ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
Kth Largest Element in an Array	MEDIUM	62.5%	ArrayDivide and ConquerSortingHeap (Priority Queue)Quickselect
Reconstruct Itinerary	HARD	62.5%	ArrayStringDepth-First SearchGraph TheorySortingHeap (Priority Queue)Eulerian Circuit
Partition Equal Subset Sum	MEDIUM	87.5%	ArrayDynamic Programming
Subtree of Another Tree	EASY	87.5%	TreeDepth-First SearchString MatchingBinary TreeHash Function
Alternating Digit Sum	EASY	100%	Math
Minimum Window Subsequence	HARD	87.5%	StringDynamic ProgrammingSliding Window
Reorganize String	MEDIUM	50%	Hash TableStringGreedySortingHeap (Priority Queue)Counting
Binary Gap	EASY	87.5%	Bit Manipulation
Design Skiplist	HARD	87.5%	Linked ListDesign
Design a Stack With Increment Operation	MEDIUM	50%	ArrayStackDesign

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