Give the output of the following program using the four parameter passing methods(Pass by Value, Pass by Reference, Pass by Value-Result, Pass by Name). Code: int i;int a[3]; void swap(int x, int y){    x = x + y;    y = x - y;    x = x - y;} main(){    i = 1;    a[0] = 2;    a[1] = 1;    a[2] = 0;    swap(i,a[i]);    printf("%d %d %d %d\n", i, a[0], a[1], a[2]);    swap(a[i],a[i]);    printf("%d %d %d\n", a[0], a[1], a[2]);    return 0;}

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter15: Recursion
Section: Chapter Questions
Problem 8SA
Question

Give the output of the following program using the four parameter passing methods(Pass by Value, Pass by Reference, Pass by Value-Result, Pass by Name).

Code:

int i;
int a[3];

void swap(int x, int y)
{
    x = x + y;
    y = x - y;
    x = x - y;
}

main()
{
    i = 1;
    a[0] = 2;
    a[1] = 1;
    a[2] = 0;
    swap(i,a[i]);
    printf("%d %d %d %d\n", i, a[0], a[1], a[2]);
    swap(a[i],a[i]);
    printf("%d %d %d\n", a[0], a[1], a[2]);
    return 0;
}

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