What happens when you attempt to compile and run the following code?

exams CPA-21-02 V1 CPA-21-02 exam 0 Comments

What happens when you attempt to compile and run the following code?

#include <iostream>

using namespace std;

int main()

{

int x=20;

int *ptr;

ptr = &x;

cout<<*ptr;

return 0;

}
A . It prints: 20
B . It prints: 0
C . It prints address of ptr
D . It prints: 2