Pointers

#include <iostream>
using namespace std;

int main() {
    int i = 4;
    int *a = &i;
    int **b = &a;
    int ***c = &b;
    cout << "i: " << i << endl;
    cout << "a: " << a << endl;
    cout << "b: " << b << endl;
    cout << "c: " << c << endl << endl;
    
    *a = 7000;
    cout << "i: " << i << endl;
    cout << "a: " << a << endl;
    cout << "b: " << b << endl;
    cout << "c: " << c << endl << endl;
    
    **b = 42;
    cout << "i: " << i << endl;
    cout << "a: " << a << endl;
    cout << "b: " << b << endl;
    cout << "c: " << c << endl << endl;
    
    return 0;
}