Problem · Array
Machine Message Router
● Medium
OpenAIFULLTIMEPHONE SCREEN
OpenAIFULLTIMEPHONE SCREENProblem statement
Process an ordered sequence of operations for an in-memory machine message router. Each operation is one of:
The problem statement continues
ProExamples
Example 1
operations = ["REGISTER|alpha","SEND|alpha|hello world","SEND|beta|lost","READ|alpha","READ|alpha"]return = ["true","false","hello world",""]The first message is delivered to the registered machine. The send to beta fails. Reading alpha returns and clears its inbox, so the next read is empty.
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