What is the output of the following program? #include <iostream> using namespace std; void Try( int&, int ); int x; int y; int z; int main() { x = 1; y = 2; z = 3; Try(y, x); cout << x << ' ' << y << ' ' << z << endl; return 0; } void Try( int& a, int b ) { int x; x = a + 2; a = a * 3; b = x + a; }

What is the output of the following program? #include <iostream> using namespace std; void Try( int&, int ); int x; int y; int z; int main() { x = 1; y = 2; z = 3; Try(y, x); cout << x << ' ' << y << ' ' << z << endl; return 0; } void Try( int& a, int b ) { int x; x = a + 2; a = a * 3; b = x + a; }

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter2: Basic Elements Of C++

Section: Chapter Questions

Problem 17PE: 17. Redo Programming Exercise 16 so that the user can also input the cost of producing one liter of...

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Concept explainers

Concept of Pointer Parameter

Pointers are the special variable that stores the variable address, instead of storing the variable value. Pointer is a powerful feature of a programming language. A pointer is mostly used to save memory space and improve execution time.

Question

What is the output of the following program?

#include <iostream>

using namespace std;

void Try( int&, int );

int x;

int y;

int z;

int main()

{

x = 1;

y = 2;

z = 3;

Try(y, x);

cout << x << ' ' << y << ' ' << z << endl;

return 0;

}

void Try( int& a, int b )

{

int x;

x = a + 2;

a = a * 3;

b = x + a;

}

Process by which instructions are given to a computer, software program, or application using code.

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