//somma ridotta compito
#include <iostream>
#include <cmath>
using namespace std;
struct rect
{
    double x;
    double y;
};
struct polar {
    double r;
    double theta;
};
int main ()
{
    double a;
    double b;
    cout << "inserisci coordinata x ";
    cin >> a;
    cout << "inserisci coordinata y ";
    cin >> b;
    rect point = {a, b};
    return 0;
}