faster solutions
Using Pointers for Faster Solutions in C++
#include <iostream>
using namespace std;
int main() {
int num1 = 10;
int num2 = 20;
int ptr1, ptr2;
ptr1 = &num1;
ptr2 = &num2;
cout << "Value of num1: " << *ptr1 << endl;
cout << "Value of num2: " << *ptr2 << endl;
return 0;
}