Practice

Problems

Sandboxed coding rounds that run against a hidden test suite, and written questions graded against a rubric. Both, in one list.

5 problemsClear filters

Practice problems, with your status, difficulty and topics
StatusProblemFormatLevel
Not startedDesign a notification servicehldqueuesreliabilitysystem-designWrittenmedium
Not startedDesign a rate limiterconcurrencyhldreliabilitysystem-designWrittenmedium
Not startedDesign a text-sharing servicecachinghldstoragesystem-designWrittenmedium
Not startedDesign a URL shortenercachinghldstoragesystem-designWrittenmedium
Not startedDesign search autocompletecachingdata-structureshldsystem-designWrittenmedium