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Microsoft Interview Question Bank
Microsoft runs two parallel hiring tracks: the standardized Hiring Event (HE) loop covering Azure, Cloud, Copilot, and Office orgs, and Mustafa Suleyman's MAI org with its own recruiter pool and a distinctly OpenAI-flavored coding rotation. The HE bar is consistent — four 60-minute rounds back-to-back on a fixed weekday — with medium-difficulty algorithms and one system-design slot; MAI loops add project deep-dive depth and pull problems from an in-memory-DB / beam-search / streaming-decoder pool that does not overlap with classic LeetCode prep.
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OJ Problems
practice in the online judgeMaximum Strength of Each Neuron in a Tree NetworkMaximum XOR ProductPossible Bipartition VariationSerialize and Deserialize Binary TreeNumber of IslandsShortest Path in a Grid with at Most K Cells per MoveDesign and Implement a URL ShortenerImplement K-Means ClusteringIn-Memory SQL with CSV InitializationOrder Records by Matching Start/End and Concatenate PayloadsImplement K-Means ClusteringImplement a Tiny Feed-Forward Next-Token Predictor in PyTorch (Fill TODOs)Output all overlapping intervalsRotate String (variant with two string arrays)Heap-based problem (unknown exact prompt)LFU Cache (wrapped variant)Implement Greedy Decoding (k=1) and Beam Search (k>1) with Length NormalizationRemove All Comments from Source String (C++)Streaming Events Fixed-Interval Window Min/Max SummaryConvert a Multi-Children Tree Structure to a Binary Search Tree and Design TestsMatrix MultiplicationImplement LFU CacheImplement a SQL-like WHERE filter for in-memory rowsShortest Tour Returning to Start in a Weighted Graph (TSP Variant)Minimum Operations to Transform an Integer Using ±2^i StepsTop K Largest Elements in an ArrayMax Investors Met Within K Days Given Availability ListsSplit String by Spaces Unless '*' AppearsSchedule a New Calendar Event Without OverlapTop K Relevant Apps by Keyword Scores