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
54 questions at Anduril · all time
- Number of IslandsmediumArrayDepth-First SearchBreadth-First SearchUnion-Find+1frequency 100.0
- Course SchedulemediumDepth-First SearchBreadth-First SearchGraph TheoryTopological Sort+1frequency 79.6
- Course Schedule IImediumDepth-First SearchBreadth-First SearchGraph TheoryTopological Sortfrequency 79.6
- Video StitchingmediumArrayDynamic ProgrammingGreedyfrequency 79.6
- Daily TemperaturesmediumArrayStackMonotonic Stackfrequency 78.0
- HeatersmediumArrayTwo PointersBinary SearchSortingfrequency 78.0
- Shortest Word DistanceeasyArrayStringfrequency 78.0
- Group AnagramsmediumArrayHash TableStringSortingfrequency 74.2
- Making A Large IslandhardArrayDepth-First SearchBreadth-First SearchUnion-Find+1frequency 74.2
- Maximum Number of Visible PointshardArrayMathGeometrySliding Window+1frequency 74.2
- Find Median from Data StreamhardTwo PointersDesignSortingHeap (Priority Queue)+1frequency 72.0
- Search Suggestions SystemmediumArrayStringBinary SearchTrie+2frequency 66.9
- Shortest Word Distance IImediumArrayHash TableTwo PointersString+1frequency 66.9
- Merge IntervalsmediumArraySortingQuicksortfrequency 63.7
- Push DominoesmediumTwo PointersStringDynamic Programmingfrequency 63.7
- Rotting OrangesmediumArrayBreadth-First SearchMatrixfrequency 63.7
- Shortest Path in Binary MatrixmediumArrayBreadth-First SearchMatrixfrequency 63.7
- Brace ExpansionmediumStringBacktrackingStackBreadth-First Search+1frequency 60.0
- Meeting Rooms IImediumArrayTwo PointersGreedySorting+2frequency 60.0
- Merge k Sorted ListshardLinked ListDivide and ConquerHeap (Priority Queue)Merge Sort+1frequency 60.0
- Queries on Number of Points Inside a CirclemediumArrayMathGeometryfrequency 60.0
- Race CarhardDynamic ProgrammingHeuristic SearchA* Searchfrequency 60.0
- Spiral MatrixmediumArrayMatrixSimulationfrequency 60.0
- Time Based Key-Value StoremediumHash TableStringBinary SearchDesignfrequency 60.0
- Evaluate Reverse Polish NotationmediumArrayMathStackfrequency 55.4
- Insert into a Binary Search TreemediumTreeBinary Search TreeBinary Treefrequency 55.4
- Minimum Rounds to Complete All TasksmediumArrayHash TableGreedyCountingfrequency 55.4
- Ransom NoteeasyHash TableStringCountingfrequency 55.4
- String CompressionmediumTwo PointersStringfrequency 55.4
- Accounts MergemediumArrayHash TableStringDepth-First Search+3frequency 49.5
- Balanced Binary TreeeasyTreeDepth-First SearchBinary Treefrequency 49.5
- Binary Tree Inorder TraversaleasyStackTreeDepth-First SearchBinary Treefrequency 49.5
- Buildings With an Ocean ViewmediumArrayStackMonotonic Stackfrequency 49.5
- Find the Duplicate NumbermediumArrayTwo PointersBinary SearchBit Manipulation+2frequency 49.5
- Game of LifemediumArrayMatrixSimulationfrequency 49.5
- Insert into a Sorted Circular Linked ListmediumLinked Listfrequency 49.5
- Longest Cycle in a GraphhardDepth-First SearchBreadth-First SearchGraph TheoryTopological Sort+2frequency 49.5
- MinesweepermediumArrayDepth-First SearchBreadth-First SearchMatrixfrequency 49.5
- Palindromic SubstringsmediumTwo PointersStringDynamic Programmingfrequency 49.5
- Search in Rotated Sorted ArraymediumArrayBinary Searchfrequency 49.5
- Valid ParentheseseasyStringStackBracket Sequencesfrequency 49.5
- Verifying an Alien DictionaryeasyArrayHash TableStringfrequency 49.5
- Word Break IIhardArrayHash TableStringDynamic Programming+3frequency 49.5
- Binary Tree Vertical Order TraversalmediumHash TableTreeDepth-First SearchBreadth-First Search+2frequency 41.3
- House RobbermediumArrayDynamic Programmingfrequency 41.3
- LRU CachemediumHash TableLinked ListDesignDoubly-Linked Listfrequency 41.3
- Minimum Window SubstringhardHash TableStringSliding Windowfrequency 41.3
- Move ZeroeseasyArrayTwo Pointersfrequency 41.3
- Number of Distinct IslandsmediumArrayHash TableDepth-First SearchBreadth-First Search+4frequency 41.3
- Reverse BitseasyDivide and ConquerBit Manipulationfrequency 41.3
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.