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65+ Samsung questions

Samsung interview questions and how to prepare

The questions candidates report from Samsung interviews, sorted by how often they come up, with difficulty and topics, plus original practice written in Samsung's interview style.

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ZorixOS tracks 65 community-reported Samsung interview questions, drawn from an open-source dataset of real interview reports and sorted by how frequently each one comes up. Every question links to its source. Alongside them are 76 original ZorixOS practice questions written in Samsung's known interview style (not claimed as asked at Samsung), so you can rehearse the real format. Practice any of them out loud in a free AI mock interview tuned to Samsung.

Updated July 2026

Samsung interview questions candidates report

Community-reported from real Samsung interviews (open-source dataset), most-asked first. Showing 60 of 65. Each links to its source.

  1. Burst Balloons
    ArrayDynamic Programming
    Hard100% asked
  2. Longest Increasing Subsequence
    ArrayBinary SearchDynamic Programming
    Medium100% asked
  3. LRU Cache
    Hash TableLinked ListDesignDoubly-Linked List
    Medium100% asked
  4. Number of Islands
    ArrayDepth-First SearchBreadth-First SearchUnion-Find
    Medium100% asked
  5. Vertical Order Traversal of a Binary Tree
    Hash TableTreeDepth-First SearchBreadth-First Search
    Hard96% asked
  6. Count Prefix and Suffix Pairs II
    ArrayStringTrieRolling Hash
    Hard95% asked
  7. Guess Number Higher or Lower
    Binary SearchInteractive
    Easy95% asked
  8. Mark Elements on Array by Performing Queries
    ArrayHash TableSortingHeap (Priority Queue)
    Medium95% asked
  9. Substring with Concatenation of All Words
    Hash TableStringSliding Window
    Hard95% asked
  10. Minimize Deviation in Array
    ArrayGreedyHeap (Priority Queue)Ordered Set
    Hard94% asked
  11. Minimum Cost of a Path With Special Roads
    ArrayGraph TheoryHeap (Priority Queue)Shortest Path
    Medium94% asked
  12. Number of Paths with Max Score
    ArrayDynamic ProgrammingMatrix
    Hard94% asked
  13. Partition Array Into Two Arrays to Minimize Sum Difference
    ArrayTwo PointersBinary SearchDynamic Programming
    Hard94% asked
  14. Design Graph With Shortest Path Calculator
    Graph TheoryDesignHeap (Priority Queue)Shortest Path
    Hard91% asked
  15. Faulty Keyboard
    StringSimulation
    Easy91% asked
  16. Find the Width of Columns of a Grid
    ArrayMatrix
    Easy91% asked
  17. Largest 1-Bordered Square
    ArrayDynamic ProgrammingMatrix
    Medium91% asked
  18. Maximum Height by Stacking Cuboids
    ArrayDynamic ProgrammingSorting
    Hard91% asked
  19. Maximum Product of Two Elements in an Array
    ArraySortingHeap (Priority Queue)
    Easy91% asked
  20. Minimum Number of Operations to Make String Sorted
    Hash TableMathStringCombinatorics
    Hard91% asked
  21. Number of Nodes in the Sub-Tree With the Same Label
    Hash TableTreeDepth-First SearchBreadth-First Search
    Medium91% asked
  22. Stone Game IX
    ArrayMathGreedyCounting
    Medium91% asked
  23. Two Sum IV - Input is a BST
    Hash TableTwo PointersTreeDepth-First Search
    Easy91% asked
  24. Trapping Rain Water
    ArrayTwo PointersDynamic ProgrammingStack
    Hard89% asked
  25. Find Maximum Value in a Constrained Sequence
    ArrayGreedy
    Medium88% asked
  26. Maximize Distance to Closest Person
    Array
    Medium86% asked
  27. Two Sum
    ArrayHash Table
    Easy82% asked
  28. Is Graph Bipartite?
    Depth-First SearchBreadth-First SearchUnion-FindGraph Theory
    Medium78% asked
  29. Find Peak Element
    ArrayBinary Search
    Medium77% asked
  30. Possible Bipartition
    Depth-First SearchBreadth-First SearchUnion-FindGraph Theory
    Medium77% asked
  31. Rotting Oranges
    ArrayBreadth-First SearchMatrix
    Medium77% asked
  32. Best Time to Buy and Sell Stock
    ArrayDynamic Programming
    Easy71% asked
  33. Subarray Product Less Than K
    ArrayBinary SearchSliding WindowPrefix Sum
    Medium71% asked
  34. 3Sum
    ArrayTwo PointersSorting
    Medium64% asked
  35. Divide Two Integers
    MathBit Manipulation
    Medium64% asked
  36. Generate Parentheses
    StringDynamic ProgrammingBacktracking
    Medium64% asked
  37. Merge k Sorted Lists
    Linked ListDivide and ConquerHeap (Priority Queue)Merge Sort
    Hard64% asked
  38. Rotate Array
    ArrayMathTwo Pointers
    Medium64% asked
  39. Sort Colors
    ArrayTwo PointersSorting
    Medium64% asked
  40. Coin Change
    ArrayDynamic ProgrammingBreadth-First Search
    Medium53% asked
  41. Intersection of Two Linked Lists
    Hash TableLinked ListTwo Pointers
    Easy53% asked
  42. IPO
    ArrayGreedySortingHeap (Priority Queue)
    Hard53% asked
  43. Jump Game II
    ArrayDynamic ProgrammingGreedy
    Medium53% asked
  44. Longest Common Prefix
    ArrayStringTrie
    Easy53% asked
  45. Make Sum Divisible by P
    ArrayHash TablePrefix Sum
    Medium53% asked
  46. Maximum Subarray
    ArrayDivide and ConquerDynamic Programming
    Medium53% asked
  47. Merge Intervals
    ArraySorting
    Medium53% asked
  48. Merge Sorted Array
    ArrayTwo PointersSorting
    Easy53% asked
  49. Move Zeroes
    ArrayTwo Pointers
    Easy53% asked
  50. Next Permutation
    ArrayTwo Pointers
    Medium53% asked
  51. Path with Maximum Probability
    ArrayGraph TheoryHeap (Priority Queue)Shortest Path
    Medium53% asked
  52. Permutations
    ArrayBacktracking
    Medium53% asked
  53. Remove K Digits
    StringStackGreedyMonotonic Stack
    Medium53% asked
  54. Search in Rotated Sorted Array
    ArrayBinary Search
    Medium53% asked
  55. Split Array Largest Sum
    ArrayBinary SearchDynamic ProgrammingGreedy
    Hard53% asked
  56. Trapping Rain Water II
    ArrayBreadth-First SearchHeap (Priority Queue)Matrix
    Hard53% asked
  57. Valid Parentheses
    StringStack
    Easy53% asked
  58. Word Ladder
    Hash TableStringBreadth-First Search
    Hard53% asked
  59. Word Search
    ArrayStringBacktrackingDepth-First Search
    Medium53% asked
  60. Check if There is a Valid Path in a Grid
    ArrayDepth-First SearchBreadth-First SearchUnion-Find
    Medium49% asked

These are the 60 most-reported of 65 tracked Samsung questions. Create a free account to drill the full set with solutions and an AI interviewer.

Practice questions in Samsung's style

Original ZorixOS questions written the way Samsung interviews, so you rehearse the real format. Not claimed as asked at Samsung.

  1. Imagine you are building a new feature for Samsung Health to integrate with wearable devices from other manufacturers. Describe the API design considerations for ensuring secure and efficient data transfer, considering potential latency and data volume. What are the key challenges you foresee?

    Software EngineerSystem DesignTests: Evaluates system design capabilities, API design, and understanding of distributed systems at scale.

  2. A customer reports intermittent connectivity issues with their Samsung Galaxy Buds Pro when paired with a Samsung Galaxy S23. You suspect a firmware bug. Outline your debugging process, including the tools and techniques you would use to diagnose and reproduce the issue. How would you prioritize fixing this against other potential bugs?

    Software EngineerDebuggingTests: Assesses problem-solving skills, debugging methodology, and understanding of mobile hardware/software interaction.

  3. You're tasked with optimizing the performance of Samsung's Tizen operating system for smart TVs. A common complaint is slow app loading times. Propose an approach to identify performance bottlenecks in the OS kernel and runtime, and suggest potential optimizations for faster application launch.

    Software EngineerPerformance OptimizationTests: Tests knowledge of operating system internals, performance analysis, and optimization strategies.

  4. Samsung's cloud storage service (e.g., Samsung Cloud) is experiencing high read latency for frequently accessed files. Design a caching strategy to mitigate this, considering cache invalidation, consistency, and distributed cache management. How would you measure the effectiveness of your solution?

    Software EngineerSystem DesignTests: Evaluates system design, distributed systems concepts, and performance improvement strategies.

  5. Implement a function in Python that, given a list of Samsung device IDs and their last reported battery percentages, returns a list of device IDs that need charging within the next 2 hours, assuming a baseline discharge rate. Consider edge cases like devices that are not reporting.

    Software EngineerCodingTests: Measures coding proficiency and ability to handle basic logic and data manipulation.

  6. Describe how you would design a real-time recommendation engine for Samsung’s smart appliance ecosystem (e.g., refrigerators suggesting recipes based on contents). What data sources would you use, what algorithms might be appropriate, and how would you handle cold-start problems?

    Software EngineerMachine Learning System DesignTests: Assesses understanding of ML system design, data pipelines, and recommendation algorithms.

70+ more Samsung-style questions are in the free library, each practiceable live with adaptive follow-ups and an honest scorecard. Start free.

Keep exploring

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Samsung Interview Questions (2026) | ZorixOS