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Microsoft

Challenges: 18Easy: 8Medium: 8Hard: 2

This Microsoft coding-practice set brings together 18 challenges, with a mix of 8 easy, 8 medium, 2 hard. The problems lean on bfs, trees, parsing, strings, arrays, so you can rehearse relevant patterns and review your progress.

Topics this company tests

Microsoft coding challenges

  • Binary Tree Level Order Traversal

    Difficulty: MediumTopics: bfs, trees

  • Config Version Comparator

    Difficulty: EasyTopics: parsing, strings

  • Container With Most Water

    Difficulty: MediumTopics: arrays, two-pointers

  • Feature Flag Rollout Validator

    Difficulty: EasyTopics: math, simulation

  • Interview Calendar Conflict Finder

    Difficulty: EasyTopics: intervals, sorting

  • Longest Increasing Subsequence

    Difficulty: HardTopics: arrays, binary-search, dynamic-programming

  • Longest Substring Without Repeating Characters

    Difficulty: MediumTopics: hashing, sliding-window, strings

  • Maximum Depth of Binary Tree

    Difficulty: MediumTopics: bfs, recursion, trees

  • Maximum Subarray

    Difficulty: MediumTopics: arrays, dynamic-programming

  • Merge Two Sorted Lists

    Difficulty: EasyTopics: linked-lists

  • Min Stack

    Difficulty: MediumTopics: design, stacks

  • Reverse Linked List

    Difficulty: EasyTopics: linked-lists

  • Search in Rotated Sorted Array

    Difficulty: MediumTopics: arrays, binary-search

  • Serialize and Deserialize Binary Tree

    Difficulty: HardTopics: bfs, design, trees

  • Session Timeout Cleanup

    Difficulty: EasyTopics: arrays, simulation, sorting

  • Stream Lag Alert Aggregator

    Difficulty: MediumTopics: hash-map, simulation

  • Support Ticket Prioritizer

    Difficulty: EasyTopics: simulation, sorting

  • Valid Anagram

    Difficulty: EasyTopics: hashing, strings

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