Optiver–styleSoftware EngineerSoftware EngineerQuestion #105

Complete a function that takes in a seqId (int) and a char (consisting of 'a'-'z' and '-'). The seqId values may be received out of order. A full message is formed when the characters, sorted by seqId, create a string in the format "-FullMessage-". The goal is to print out any full message exactly when it completes, using the provided OnComplete(msg) function.

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