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Snapchat LeetCode Questions 2026

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

Last updated: 20 May 2026

ProblemDifficultyFrequencyTopics
Valid SudokuMEDIUM
75%
ArrayHash TableMatrix
Sudoku SolverHARD
75%
ArrayHash TableBacktrackingMatrix
Combination SumMEDIUM
87.5%
ArrayBacktracking
Combination Sum IIMEDIUM
75%
ArrayBacktracking
Wildcard MatchingHARD
75%
StringDynamic ProgrammingGreedyRecursion
Merge IntervalsMEDIUM
50%
ArraySorting
Minimum Window SubstringHARD
87.5%
Hash TableStringSliding Window
Word SearchMEDIUM
37.5%
ArrayStringBacktrackingDepth-First SearchMatrix
Unique Binary Search TreesMEDIUM
75%
MathDynamic ProgrammingTreeBinary Search TreeBinary Tree
Best Time to Buy and Sell Stock IIIHARD
62.5%
ArrayDynamic Programming
Binary Tree Maximum Path SumHARD
37.5%
Dynamic ProgrammingTreeDepth-First SearchBinary Tree
Word LadderHARD
87.5%
Hash TableStringBreadth-First Search
Word Break IIHARD
87.5%
ArrayHash TableStringDynamic ProgrammingBacktrackingTrieMemoization
LRU CacheMEDIUM
100%
Hash TableLinked ListDesignDoubly-Linked List
Reverse Words in a StringMEDIUM
87.5%
Two PointersString
Valid Arrangement of PairsHARD
37.5%
ArrayDepth-First SearchGraph TheoryEulerian Circuit
Min StackMEDIUM
75%
StackDesign
One Edit DistanceMEDIUM
75%
Two PointersString
Number of IslandsMEDIUM
87.5%
ArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix
Reverse Linked ListEASY
75%
Linked ListRecursion

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