Can someone please explain this code? I'm having confusion with the output ?

Question

#include <iostream>
using namespace std;

int main()
{
int score = 4;
cout << &score << endl;

return 0;
}

output:

0×28ff1c

Answer 1

"&" operator is used to access the address of a variable.

That number you see is just the location where the variable is stored in memory.

Answer 2

& operator is used when working with pointers and when passing arguments to a function by reference.

eg-
int a = 5;
int *p = &a; // now p is pointing to a

Answer 3

& is called the address operator.
Int number=3;
Cout<<&number;
Would print out a random number with letters. This is because you printed the address where number is stored in stack. Like mention before by others the address operator & is used when working with pointers to point at a specifically location.

Answer 4

remove the '&' sign.

Answer 5

what's the point in learning & operator if we remove it?