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Otterai LeetCode Questions 2026

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

Last updated: 20 Feb 2026

ProblemDifficultyFrequencyTopics
The Number of the Smallest Unoccupied ChairMEDIUM
75%
ArrayHash TableHeap (Priority Queue)
Trapping Rain Water IIHARD
100%
ArrayBreadth-First SearchHeap (Priority Queue)Matrix
Frog JumpHARD
75%
ArrayDynamic Programming
Word BreakMEDIUM
87.5%
ArrayHash TableStringDynamic ProgrammingTrieMemoization
Flatten Deeply Nested ArrayMEDIUM
75%

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