Problems
Callback's own problems and the LeetCode questions companies have been asking, in one place — filter by category, company, topic, difficulty, and how recently a question showed up.
Asked on LeetCode
148 questions at Adobe · all time
- Course SchedulemediumDepth-First SearchBreadth-First SearchGraph TheoryTopological Sort+1frequency 41.7
- Decode WaysmediumStringDynamic Programmingfrequency 41.7
- Design TwittermediumHash TableLinked ListDesignHeap (Priority Queue)frequency 41.7
- Find the Winner of the Circular GamemediumArrayMathRecursionQueue+1frequency 41.7
- First Missing PositivehardArrayHash Tablefrequency 41.7
- Flatten a Multilevel Doubly Linked ListmediumLinked ListDepth-First SearchDoubly-Linked Listfrequency 41.7
- Increment Submatrices by OnemediumArrayMatrixPrefix Sumfrequency 41.7
- Jump Game IImediumArrayDynamic ProgrammingGreedyfrequency 41.7
- Kth Largest Element in an ArraymediumArrayDivide and ConquerSortingHeap (Priority Queue)+1frequency 41.7
- Largest Combination With Bitwise AND Greater Than ZeromediumArrayHash TableBit ManipulationCountingfrequency 41.7
- Largest Rectangle in HistogramhardArrayStackMonotonic StackRange Minimum/Maximum Queryfrequency 41.7
- Longest Consecutive SequencemediumArrayHash TableUnion-Findfrequency 41.7
- Longest Repeating Character ReplacementmediumHash TableStringSliding Windowfrequency 41.7
- Max Area of IslandmediumArrayDepth-First SearchBreadth-First SearchUnion-Find+1frequency 41.7
- Max Consecutive Ones IIImediumArrayBinary SearchSliding WindowPrefix Sumfrequency 41.7
- Maximize Distance to Closest PersonmediumArrayfrequency 41.7
- Maximum Profit From Trading StocksmediumArrayDynamic Programmingfrequency 41.7
- Merge Two Sorted ListseasyLinked ListRecursionfrequency 41.7
- Min StackmediumStackDesignfrequency 41.7
- Minimum Number of Days to Make m BouquetsmediumArrayBinary Searchfrequency 41.7
- Minimum Number of Swaps to Make the String BalancedmediumTwo PointersStringStackGreedy+1frequency 41.7
- Minimum Number of Taps to Open to Water a GardenhardArrayDynamic ProgrammingGreedyfrequency 41.7
- Minimum Swaps to Group All 1's Together IImediumArraySliding Windowfrequency 41.7
- Move ZeroeseasyArrayTwo Pointersfrequency 41.7
- Next Greater Element IIImediumMathTwo PointersStringfrequency 41.7
- Number of ProvincesmediumDepth-First SearchBreadth-First SearchUnion-FindGraph Theoryfrequency 41.7
- Online Stock SpanmediumStackDesignMonotonic StackData Streamfrequency 41.7
- Pacific Atlantic Water FlowmediumArrayDepth-First SearchBreadth-First SearchMatrixfrequency 41.7
- Permutation in StringmediumHash TableTwo PointersStringSliding Windowfrequency 41.7
- Pow(x, n)mediumMathRecursionfrequency 41.7
- Random Pick with WeightmediumArrayMathBinary SearchPrefix Sum+1frequency 41.7
- Range Sum Query - MutablemediumArrayDivide and ConquerDesignBinary Indexed Tree+2frequency 41.7
- Reconstruct ItineraryhardArrayStringDepth-First SearchGraph Theory+5frequency 41.7
- Reformat DateeasyStringfrequency 41.7
- Remove ElementeasyArrayTwo Pointersfrequency 41.7
- Search Suggestions SystemmediumArrayStringBinary SearchTrie+2frequency 41.7
- Shortest Path to Get All KeyshardArrayBit ManipulationBreadth-First SearchMatrixfrequency 41.7
- Single Element in a Sorted ArraymediumArrayBinary Searchfrequency 41.7
- Sliding Window MaximumhardArrayQueueSliding WindowHeap (Priority Queue)+2frequency 41.7
- Spiral Matrix IImediumArrayMatrixSimulationfrequency 41.7
- Split the ArrayeasyArrayHash TableCountingfrequency 41.7
- Squares of a Sorted ArrayeasyArrayTwo PointersSortingfrequency 41.7
- Subarray Sum Equals KmediumArrayHash TablePrefix Sumfrequency 41.7
- Surrounded RegionsmediumArrayDepth-First SearchBreadth-First SearchUnion-Find+1frequency 41.7
- Trim a Binary Search TreemediumTreeDepth-First SearchBinary Search TreeBinary Treefrequency 41.7
- Two Sum II - Input Array Is SortedmediumArrayTwo PointersBinary Searchfrequency 41.7
- Valid PalindromeeasyTwo PointersStringfrequency 41.7
- Word LadderhardHash TableStringBreadth-First SearchBidirectional Searchfrequency 41.7
Listings only — titles, difficulty, and tags link out to LeetCode. Imported from the leetcode-company-wise-problems snapshot dated 1 June 2025. Frequency is that dataset's own relative score within a company and time range.