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Given a stack s with data [1,2,3,4] (1 is the element at the top) and a queue q with data [5,6,7,8] we execute the following commands:                q.enqueue(s.pop());                 s.push(s.pop());                  s.pop();                   q.enqueue(q.dequeue());                    s.push(q.dequeue())   a. What value would a call to s.pop() have now?  b. What value would a call to d.dequeue() have now?

Given a stack s with data [1,2,3,4] (1 is the element at the top) and a queue q with data [5,6,7,8] we execute the following commands:                q.enqueue(s.pop());                 s.push(s.pop());                  s.pop();                   q.enqueue(q.dequeue());                    s.push(q.dequeue())   a. What value would a call to s.pop() have now?  b. What value would a call to d.dequeue() have now?

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Given a stack s with data [1,2,3,4] (1 is the element at the top) and a queue q with data [5,6,7,8] we execute the following commands:

               q.enqueue(s.pop());
                s.push(s.pop());
                 s.pop();
                  q.enqueue(q.dequeue());
                   s.push(q.dequeue())

 

a. What value would a call to s.pop() have now? 

b. What value would a call to d.dequeue() have now?

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