Loading…
Explore questions associated with Microsoft. Review the source details, then use the workspace for code, notes, and diagrams.
430 questions in the library. A source association does not guarantee a future interview question.
Behavioral and leadership · Coding · Machine learning · ML system design · Object-oriented design · Other questions · Practical engineering · System design
Loading questions…
Practice system design interviews out loud with an AI interviewer, a shared whiteboard and a scorecard for your level.
© 2026 SysRound. SysRound is an AI practice tool. The AI interviewer and the AI feedback can be wrong. Use it for your own practice, not to hire people.
Showing 126–150
Companies: Microsoft
Last reported May 2026
Companies: Microsoft, Anduril, Palo Alto Networks, Salesforce +1
Last reported May 2026
Parse a string into a 32-bit signed integer by skipping leading whitespace, reading an optional '+'/'-' sign and the following contiguous digits (stopping at the…
Companies: Microsoft, Meta, Netflix
Last reported Apr 2026
Given an array and up to k doublings (multiply an element by 2 each time), maximize the bitwise OR of all elements by choosing where…
Companies: Microsoft
Last reported Apr 2026
Check a 9x9 Sudoku board is valid by verifying that no digit 1–9 (ignoring '.') appears more than once in any row, column, or 3x3…
Companies: Microsoft, Amazon, Cisco
Array · Hash Table · Matrix
Last reported Apr 2026
Given a 2D grid containing empty rooms/spaces (INF), walls/obstacles (-1), and gates (0), fill each empty room with the shortest distance to its nearest gate…
Companies: Microsoft, DoorDash, Spotify
Last reported Apr 2026
Companies: Microsoft
System Design
Last reported Apr 2026
Companies: Microsoft, DoorDash, Flex, Freshworks +4
Last reported Apr 2026
Companies: Microsoft, Sprinter Health
Last reported Apr 2026
Given a Person class and a FamilyTree class, implement the getAncestors method on Person and the areRelated and commonAncestors methods on FamilyTree.
Companies: Microsoft, SoFi
Last reported Apr 2026
Given an org chart, write an algorithm to determine the lowest common parent of a list of children. Expected to build the graph on my…
Companies: Microsoft, Amazon, Atlassian, Spotify
Last reported Apr 2026
Companies: Microsoft, Google
Last reported Apr 2026
Design and implement a simplified version control system that supports basic operations such as committing changes, checking out previous versions, and retrieving file content…
Companies: Microsoft
Last reported Apr 2026
Companies: Microsoft
ML System Design
Last reported Apr 2026
Companies: Microsoft, Anthropic
Rate Limiting · System Design · System Design Fundamentals
Last reported Apr 2026
Companies: Microsoft
Authentication & Authorization · System Design
Last reported Apr 2026
Given a sorted integer array and a target value x, return the k integers closest to x in ascending order. Ties are broken by preferring…
Companies: Microsoft, Asana, Meta
Last reported Apr 2026
Debug a broken LRU Cache implementation, identifying and fixing all bugs while maintaining correct usage of generics (Java) or templates (C++). Syntax correctness is critical…
Companies: Microsoft, Google
Last reported Apr 2026
Large file transfers with small metadata transactions: resumable uploads, offline conflicts, reliable change feeds, and shared subtrees whose permissions change as files move.
Companies: Microsoft, Amazon, Apple, Autodesk +17
access-control · change-data-capture · conflict-resolution · data-versioning
Last reported Apr 2026
Design a news aggregation system like Google News that allows users to subscribe to different news sources, categories, and topics, then view a personalized real-time…
Companies: Microsoft, Amazon, Atlassian, Google +6
Last reported Apr 2026
Companies: Microsoft
System Design · System Design Fundamentals
Last reported Apr 2026
Find the smallest substring of s that contains all characters of t (including duplicates), or return "" if none exists. This is typically solved with…
Companies: Microsoft, Amazon, LinkedIn, Lyft +2
Hash Table · Sliding Window · String
Last reported Apr 2026
Companies: Microsoft
ML System Design
Last reported Apr 2026
Design a distributed caching system that can serve data with low latency across multiple geographic locations, handling cache misses, replication, and scaling to support…
Companies: Microsoft, Amazon, Google, Meta +2
Last reported Apr 2026
Design an ad asset management system that allows ad clients to upload individual or bulk text/image assets, validate uploaded assets in near real-time, and receive…
Companies: Microsoft, Digitalocean
Last reported Apr 2026