Question: Following is a function that uses a stack S and queue Q to do processing. void fun() { while (!Q.isEmpty()) { S.push( Q.retrieve()); //Assume that

Following is a function that uses a stack S and queue Q to do processing. void fun() { while (!Q.isEmpty()) { S.push( Q.retrieve()); //Assume that retrieve function returns the front element Q.serve(); } } What does the above function do in general
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