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Udemy LeetCode Questions 2026

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

Last updated: 10 July 2026

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ProblemDifficultyFrequencyTopics
Median of Two Sorted ArraysHARD
87.5%
ArrayBinary SearchDivide and Conquer
Valid SudokuMEDIUM
100%
ArrayHash TableMatrix
Valid ParenthesesEASY
87.5%
StringStack
Merge Two Sorted ListsEASY
87.5%
Linked ListRecursion
Remove Duplicates from Sorted ArrayEASY
100%
ArrayTwo Pointers
Fruits Into Baskets IIEASY
100%
ArrayBinary SearchSegment TreeSimulationOrdered Set
Encode and Decode StringsMEDIUM
87.5%
ArrayStringDesign

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