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.
Easy 190Medium 2,498Hard 982
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OpenAI4,310 questions
- 601Binary Tree Right Side ViewMediumCoding·
Meta - 602Binary Tree Shortest PathCoding·
Amazon - 603Bit manipulationCoding·
Ciena, Infosys - 604Bit Manipulation BasedCoding·
Expedia, HashedIn - 605Boats to Save PeopleMediumCoding·
IDFC FIRST Bank, Meta - 606Bottom View of a Binary TreeCoding·
Microsoft - 607Bottom View of Binary TreeCoding· Amazon
- 608Bulb SwitcherMediumCoding·
Linkedin - 609Bulb Switcher IIMediumCoding·
ServiceNow - 610Buy and Sell Stock variationCoding·
Freshwoks - 611Cab Booking SystemCoding·
Meesho - 612Car FleetMediumCoding·
PhonePe - 613Card Value ProblemCoding· IDFC First Bank
- 614Check if a Parentheses String Can Be ValidMediumCoding· Meta, ServiceNow
- 615Check If Array Pairs Are Divisible by kMediumCoding·
Visa - 616Check if Grid Satisfies ConditionsEasyCoding·
Goldman Sachs - 617Check if One String Swap Can Make Strings EqualCoding·
DoorDash - 618Cherry pickup IICoding·
Google - 619Classic array manipulationCoding· AArcesium
- 620Clone a Linked List with Random PointersCoding·
Apple - 621Closest DivisorsMediumCoding· Amazon
- 622Closest Nodes Queries in a Binary Search TreeMediumCoding· Amazon
- 623Codeforces Problem 161DCoding· Google
- 624Longest Increasing SubsequenceMediumCodingAI ML·
Atlassian, Meta