#include <iostream>
#include "izrazi.hpp"
#include <string>
#include <map>
#include <cstdlib>
using namespace std;

map<string, double> tablica;

int main() {
  tablica["x"] = 2;
  tablica["y"] = 6;
  
  Izraz *k1 = new Konstanta(1.1);
  Izraz *k2 = new Konstanta(2.2);
  
  cout << k1->vrednost() << endl;
  cout << k2->vrednost() << endl;

  Izraz *z1 = new Zbir(k1, k2);

  Izraz *k3 = new Konstanta(3.3);
  Izraz *prom = new Promenljiva("x");

  Izraz *r2 = new Razlika(k3, prom);

  Izraz *p = new Proizvod(z1, r2);

  Izraz *m = new Minus(p);

  try {
    cout << m->vrednost() << endl;
  }
  catch (string s) {
    cerr << s << endl;
    exit(EXIT_FAILURE);
  }
  
  delete p;
  
  return 0;
}