[solved] – Question 78885

What is the top element in the stack S.
Stack(S); //create a stack S
Queue(Q); //create a queue Q
Push (S,1); Push(S,2);
Push (S,3); Push(S,4);
Enqueue(Q,5); Enqueue(Q,6);
For (i=1) to 4) {
X=Pop (S);
Enqueue(Q,x);
}
For (i=1 to 6) {
Z=Dequeue (Q);
Push(S,x);
}

Expert Answer

---