Meta
Fast-paced coding rounds — two problems in 45 minutes is common — plus a product-minded design round and a dedicated behavioral round.
Typical loop
- 1Recruiter screen
- 2Phone screen: 1-2 coding problems
- 3Onsite: two coding rounds
- 4System or product design round
- 5Behavioral round
Questions
Callback's practice questions and the LeetCode questions Meta has been asking, filtered together.
Asked on LeetCode
1,399 questions · all time
- Cherry PickuphardArrayDynamic ProgrammingMatrixfrequency 5.0
- Clone Binary Tree With Random PointermediumHash TableTreeDepth-First SearchBreadth-First Search+1frequency 5.0
- Closest Prime Numbers in RangemediumMathNumber TheoryPrimality TestSieve Theory+1frequency 5.0
- Clumsy FactorialmediumMathStackSimulationfrequency 5.0
- Complement of Base 10 IntegereasyBit Manipulationfrequency 5.0
- Complete Binary Tree InsertermediumTreeBreadth-First SearchDesignBinary Treefrequency 5.0
- Complex Number MultiplicationmediumMathStringSimulationfrequency 5.0
- Compute Decimal RepresentationeasyArrayMathfrequency 5.0
- Concatenate Non-Zero Digits and Multiply by Sum IeasyMathfrequency 5.0
- Construct Binary Tree from Inorder and Postorder TraversalmediumArrayHash TableDivide and ConquerTree+1frequency 5.0
- Construct the Minimum Bitwise Array IImediumArrayBit Manipulationfrequency 5.0
- Convert 1D Array Into 2D ArrayeasyArrayMatrixSimulationfrequency 5.0
- Convert Binary Number in a Linked List to IntegereasyLinked ListMathfrequency 5.0
- Count Beautiful NumbershardDynamic Programmingfrequency 5.0
- Count Complete Subarrays in an ArraymediumArrayHash TableSliding Windowfrequency 5.0
- Count Good TripletseasyArrayEnumerationfrequency 5.0
- Count K-th Roots in a RangemediumMathBinary Searchfrequency 5.0
- Count Nice Pairs in an ArraymediumArrayHash TableMathCountingfrequency 5.0
- Count Number of Maximum Bitwise-OR SubsetsmediumArrayBacktrackingBit ManipulationEnumerationfrequency 5.0
- Count Number of Rectangles Containing Each PointmediumArrayHash TableBinary SearchBinary Indexed Tree+1frequency 5.0
- Count Number of Trapezoids ImediumArrayHash TableMathGeometryfrequency 5.0
- Count Odd Numbers in an Interval RangeeasyMathfrequency 5.0
- Count Prefix and Suffix Pairs IeasyArrayStringTrieRolling Hash+2frequency 5.0
- Count Servers that CommunicatemediumArrayDepth-First SearchBreadth-First SearchUnion-Find+2frequency 5.0
- Count Special QuadrupletseasyArrayHash TableEnumerationfrequency 5.0
- Count Subarrays With Fixed BoundshardArrayQueueSliding WindowMonotonic Queuefrequency 5.0
- Count Subarrays With K Distinct IntegershardArrayHash TableSliding WindowCountingfrequency 5.0
- Count Subarrays of Length Three With a ConditioneasyArrayfrequency 5.0
- Count Triplets That Can Form Two Arrays of Equal XORmediumArrayHash TableMathBit Manipulation+1frequency 5.0
- Count Vowel Strings in RangesmediumArrayStringPrefix Sumfrequency 5.0
- Count of Interesting SubarraysmediumArrayHash TablePrefix Sumfrequency 5.0
- Count of Matches in TournamenteasyMathSimulationfrequency 5.0
- Count the Number of Complete ComponentsmediumDepth-First SearchBreadth-First SearchUnion-FindGraph Theoryfrequency 5.0
- Count the Number of Computer Unlocking PermutationsmediumArrayMathBrainteaserCombinatoricsfrequency 5.0
- Count the Number of Infection SequenceshardArrayMathCombinatoricsFermat's Little Theoremfrequency 5.0
- Count the Number of Substrings With Dominant OnesmediumStringEnumerationfrequency 5.0
- Coupon Code ValidatoreasyArrayHash TableStringSortingfrequency 5.0
- Course Schedule IIIhardArrayGreedySortingHeap (Priority Queue)frequency 5.0
- Create Target Array in the Given OrdereasyArraySimulationfrequency 5.0
- Critical Connections in a NetworkhardDepth-First SearchGraph TheoryBiconnected ComponentBridge (Graph)frequency 5.0
- Day of the YeareasyMathStringfrequency 5.0
- Debouncemediumfrequency 5.0
- Decode the MessageeasyHash TableStringfrequency 5.0
- Design Circular DequemediumArrayLinked ListDesignQueuefrequency 5.0
- Design In-Memory File SystemhardHash TableStringDesignTrie+1frequency 5.0
- Design Linked ListmediumLinked ListDesignfrequency 5.0
- Design a Text EditorhardLinked ListStringStackDesign+2frequency 5.0
- Design an Ordered StreameasyArrayHash TableDesignData Streamfrequency 5.0
- Destination CityeasyArrayHash TableStringfrequency 5.0
- Detect CapitaleasyStringfrequency 5.0