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.
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2 problems asked at Netflix — full prompts you can work right here.
Asked on LeetCode
29 questions at Netflix · all time
- Cache With Time Limitmediumfrequency 100.0
- Time Based Key-Value StoremediumHash TableStringBinary SearchDesignfrequency 91.5
- Longest Substring Without Repeating CharactersmediumHash TableStringSliding Windowfrequency 89.7
- Contains Duplicate IIIhardArraySliding WindowSortingBucket Sort+1frequency 87.7
- Course Schedule IImediumDepth-First SearchBreadth-First SearchGraph TheoryTopological Sortfrequency 87.7
- Reconstruct ItineraryhardArrayStringDepth-First SearchGraph Theory+5frequency 87.7
- Logger Rate LimitereasyHash TableDesignData Streamfrequency 85.5
- Meeting Rooms IImediumArrayTwo PointersGreedySorting+2frequency 85.5
- Merge IntervalsmediumArraySortingQuicksortfrequency 83.2
- Parallel CoursesmediumGraph TheoryTopological SortDirected Acyclic Graphfrequency 80.5
- Contains Duplicate IIeasyArrayHash TableSliding Windowfrequency 74.1
- Word SearchmediumArrayStringBacktrackingDepth-First Search+1frequency 74.1
- Contains DuplicateeasyArrayHash TableSortingfrequency 70.0
- Network Delay TimemediumDepth-First SearchBreadth-First SearchGraph TheoryHeap (Priority Queue)+2frequency 70.0
- String to Integer (atoi)mediumStringfrequency 70.0
- First Missing PositivehardArrayHash Tablefrequency 64.9
- LRU CachemediumHash TableLinked ListDesignDoubly-Linked Listfrequency 64.9
- Summary RangeseasyArrayfrequency 64.9
- Koko Eating BananasmediumArrayBinary Searchfrequency 58.5
- Top K Frequent ElementsmediumArrayHash TableDivide and ConquerSorting+4frequency 58.5
- Word BreakmediumArrayHash TableStringDynamic Programming+3frequency 58.5
- All Paths From Source to TargetmediumBacktrackingDepth-First SearchBreadth-First SearchGraph Theory+1frequency 49.4
- Design Search Autocomplete SystemhardStringDepth-First SearchDesignTrie+3frequency 49.4
- Find Peak ElementmediumArrayBinary Searchfrequency 49.4
- Fruit Into BasketsmediumArrayHash TableSliding Windowfrequency 49.4
- LFU CachehardHash TableLinked ListDesignDoubly-Linked Listfrequency 49.4
- Maximum Length of Repeated SubarraymediumArrayBinary SearchDynamic ProgrammingSliding Window+2frequency 49.4
- Snapshot ArraymediumArrayHash TableBinary SearchDesign+1frequency 49.4
- Valid AnagrameasyHash TableStringSortingfrequency 49.4
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.