Practice

Prepare for Stripe

The problems worth doing for this kind of loop — grouped by what the round tests, not by leaked question lists.

FormatCoderpad Written

Leveleasy medium hard

Topicimplementation system-design hld trees distributed-systems arrays-hashing concurrency graphs binary-search consistency dp-1d linked-list

19 problemsClear filters

Practice problems, with your status, difficulty and topics
Status	Problem	Format	Level
Not started	Bounded producer-consumer queuec++concurrencycondition-variablequeues	Written	medium
Not started	Design a notification servicehldqueuesreliabilitysystem-design	Written	medium
Not started	Design a rate limiterconcurrencyhldreliabilitysystem-design	Written	medium
Not started	Design a retry policydistributed-systemslldreliability	Written	medium
Not started	Design a text-sharing servicecachinghldstoragesystem-design	Written	medium
Not started	Design a URL shortenercachinghldstoragesystem-design	Written	medium
Not started	Design a URL shortenercachingstoragesystem-design	Written	medium
Not started	Design an LRU cachecachingconcurrencydata-structureslld	Written	medium
Not started	Design notification fan-outfan-outqueuessystem-design	Written	medium
Not started	Longest run of distinct elementshash-mapsliding-windowstrings	Written	medium
Not started	Running total per accountsqlwindow-functions	Written	medium
Not started	Take-home: a rate-limited APIapi-designrate-limitingtake-hometesting	Written	medium
Not started	Tell me about a time you broke productionbehavioralfailureownershipstar	Written	medium
Not started	Tell me about a time you disagreed with a decisionbehavioralconflictstar	Written	medium
Not started	Tell me about the most ambiguous problem you have worked onambiguitybehavioralstar	Written	medium
Not started	The stale closureclosuresjavascriptreact	Written	medium
Not started	Versioning an API you cannot take downapi-designrestversioning	Written	medium
Not started	What does idempotent actually mean?api-designreliabilityrest	Written	medium
Not started	When is an atomic not enough?atomicsc++concurrencymutex	Written	medium