Question bank
4,310 interview questions, answered.
Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.
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- 1Implement a rate limiter for an LLM API.MediumCoding· 10 min·
OpenAI - 2Given click counts by domain, aggregate counts for every parent subdomain.MediumCoding· 10 min·
Palantir - 3Accounts mergeMediumCoding·
Google - 4Asteroid CollisionMediumCoding·
Amazon, Microsoft - 5Koko eating bananas.MediumCoding·
Flipkart, Amazon - 6LRU CacheMediumCoding·
Adobe, Amazon - 7Merge IntervalsMediumCoding·
Blinkit, Docquity Holdings(PBS) - 8Most Stones Removed with Same Row or ColumnMediumCoding·
Myntra, Amazon - 9Next PermutationMediumCoding·
Nvidia - 10Partition equal subset sumMediumCoding· Google
- 11Rearrange array elements by signMediumCoding·
Expedia - 12Top k frequent elementsMediumCoding· Amazon, Apple
- 13Word BreakMediumCoding·
Meta, ServiceNow - 14132 PatternMediumCoding·
Intuit - 153Sum ClosestMediumCoding·
Apple, Kotak - 16All Elements in Two Binary Search TreesMediumCoding· Adobe
- 17Amount of Time for Binary Tree to Be InfectedMediumCoding·
Nutanix - 18Apply SubstitutionsMediumCoding·
Acko - 19Array NestingMediumCoding· Meta
- 20Binary Search Tree to Greater Sum TreeMediumCoding· Amazon
- 21Binary Tree Right Side ViewMediumCoding· Meta
- 22Boats to Save PeopleMediumCoding·
IDFC FIRST Bank, Meta - 23Bulb SwitcherMediumCoding·
Linkedin - 24Bulb Switcher IIMediumCoding·
ServiceNow