#include <iostream>
using namespace std;
class Arithmetic {
private:
int a;
int b;
public:
Arithmetic(int alfa, int bravo) {
this -> a = alfa;
this -> b = bravo;
}
int add() {
int c;
c = a + b;
return c;
}
int sub() {
int c;
c = a - b;
return c;
}
};
int main() {
Arithmetic ar(10, 5);
cout << "add = " << ar.add() <<endl;
cout << "sub = " << ar.sub() << endl;
return 0;
}
#include <iostream>
using namespace std;
int fun2(int n) {
if(n > 0) {
fun2(n - 1);
cout << n << endl;
}
};
int main() {
int x = 3;
fun2(x);
}
