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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- 1Burst balloonsHardCoding·
Salesforce - 2LFU CacheHardCoding·
BloomBerg, Meta - 3Making a large islandHardCoding·
Meta - 4Maximum Points on a LineHardCoding·
Amazon - 5Reverse PairsHardCoding· Meta
- 6Sliding Window MaximumHardCoding·
BharatPe, Cisco Meraki - 7Subarrays with K Different IntegersHardCoding· HHashedIn, Microsoft
- 8All O`one Data StructureHardCoding·
Linkedin - 9Basic Calculator IVHardCoding·
Intuit - 10Binary Tree CamerasHardCoding·
DP World - 11Binary Tree Maximum Path SumHardCoding·
Qualcomm, DoorDash - 12Contain VirusHardCoding·
Flipkart - 13Count Subarrays With Fixed BoundsHardCoding·
Uber - 14Count the Number of Infection SequencesHardCoding·
PhonePe - 15Cycle Length Queries in a TreeHardCoding·
Microsoft - 16Design In-Memory File SystemHardCoding· Amazon
- 17Design Video Sharing PlatformHardCoding· Microsoft
- 18Dungeon GameHardCoding·
Google - 19Find Median from Data StreamHardCoding· Flipkart
- 20Find the Largest Palindrome Divisible by KHardCoding· Uber
- 21Find the Number of Ways to Place People IIHardCoding· Uber
- 22Find the Occurrence of First Almost Equal SubstringHardCoding·
ServiceNow - 23First Missing PositiveHardCoding·
FactSet Research Systems Inc., ServiceNow - 24Insert Delete GetRandom O(1) - Duplicates allowedHardCoding· Microsoft