main.cpp

#include <iostream>
using namespace std;
struct Point
{
    int x;
    int y;
};
double inc_and_add(Point& p)
{
    p.x++;
    p.y++;
    return p.x + p.y;
}
int main()
{
    Point p = {3,2};
    cout << inc_and_add(p) << endl;
    cout << p.x << " " << p.y << endl;
    return 0;
}