What does the following function do? (3,9) void mystery (queueType& q) { stackType s; while (!q.isEmptyQueue ()) { s.push (q. front ()); q.deleteQueue (); } while (!s.isEmptyStack()) { q. addQueue (2 * s.top()); s.pop(); } The method mystery reverses the elements of a queue of int objects and also doubles the values of the queue elements. The method mystery reverses the elements of a queue of int objects and also triples the values of the queue elements. The method mystery sorts the elements of a queue of int objects and also doubles the values of the queue elements. O None of the above

What does the following function do? (3,9) void mystery (queueType& q) { stackType s; while (!q.isEmptyQueue ()) { s.push (q. front ()); q.deleteQueue (); } while (!s.isEmptyStack()) { q. addQueue (2 * s.top()); s.pop(); } The method mystery reverses the elements of a queue of int objects and also doubles the values of the queue elements. The method mystery reverses the elements of a queue of int objects and also triples the values of the queue elements. The method mystery sorts the elements of a queue of int objects and also doubles the values of the queue elements. O None of the above

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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Question

What does the following function do? (3, 9)
void mystery (queueType<int>& q)
{
stackType<int> s;
while (!q.isEmptyQueue ())
{
s.push (q.front ());
q. deleteQueue () ;
while (!s.isEmptyStack ())
{
q. addQueue (2 * s.top());
s.pop ();
}
The method mystery reverses the elements of a queue of int objects and also doubles the values of the queue elements.
The method mystery reverses the elements of a queue of int objects and also triples the values of the queue elements.
The method mystery sorts the elements of a queue of int objects and also doubles the values of the queue elements.
None of the above

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