Show the output from the following program. Assume the address of \"a\" is 0012F

Question

Show the output from the following program. Assume the address of "a" is 0012FF20, "b" is 0012FF40, "c" is 0012FF60, and "d" is 0012FF80.

#include <iostream>
using namespace std;

struct addr
{
    int *ad1;
    int *ad2;
    int *ad3;
};

void main()
{
    int a = 10, b = 20, c = 40, d = 80;

    addr ad4 = { &d, &b, &c };

    cout << ad4.ad3 << endl;
}

Show the output from the following program. Assume the address of "a" is 0012FF20, "b" is 0012FF40, "c" is 0012FF60, and "d" is 0012FF80.

#include <iostream>
using namespace std;

struct addr
{
    int *ad1;
    int *ad2;
    int *ad3;
};

void main()
{
    int a = 10, b = 20, c = 40, d = 80;

    addr ad4 = { &b, &d, &a };

    cout << ad4.ad2 << endl;
}

Explanation / Answer

1)
struct addr
{
int *ad1;
int *ad2;
int *ad3;
};

void main()
{
int a = 10, b = 20, c = 40, d = 80;

addr ad4 = { &d, &b, &c };

cout << ad4.ad3 << endl;
}

"a" is 0012FF20,
"b" is 0012FF40,
"c" is 0012FF60, and
"d" is 0012FF80

Output: 0012FF60 (address of c)

2)
struct addr
{
int *ad1;
int *ad2;
int *ad3;
};

void main()
{
int a = 10, b = 20, c = 40, d = 80;

addr ad4 = { &b, &d, &a };

cout << ad4.ad2 << endl;
}

a" is 0012FF20,
"b" is 0012FF40,
"c" is 0012FF60, and
"d" is 0012FF80

Output: 0012FF80 (address of d)

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