#include <iostream>
using namespace std;

void swap(int x, int y) {
  int tmp = x;
  x = y;
  y = tmp;
}

void swap1(int *x, int *y) {
  int tmp = *x;
  *x = *y;
  *y = tmp;
}

void swap2(int &x, int &y) {
  int tmp = x;
  x = y;
  y = tmp;
}

inline int kvadrat(const int &x = 4) {
  return x * x;
}

inline double kvadrat(const double &x) {
  return x * x;
}

int main() {
  cout << "Hello, world" << endl;
  
  bool f = false;
  cout << "f = " << f << endl;
  
  int i;
  cout << "Unesi i: ";
  cin >> i;
  cout << "i = " << i << endl;

  int j(4);
  cout << "j = " << j << endl;

  // slkdfjlksdjf
  /*s lksdjfljs 
    lsdlkfjsldf
  */

  int *p;
  p = new int(10);
  //*p = 10;
  cout << "*p = " << *p << endl;
  delete p;

  int *niz;
  niz = new int[10];
  for (int k = 0; k < 10; k++)
    niz[k] = k * k;

  for (int k = 0; k < 10; k++)
    cout << *(niz + k) << endl;

  delete [] niz;

  int a = 1, b = 2;
  cout << "a = " << a << endl;
  cout << "b = " << b << endl;
  swap(a, b);
  cout << "a = " << a << endl;
  cout << "b = " << b << endl;

  swap1(&a, &b);
  cout << "a = " << a << endl;
  cout << "b = " << b << endl;

  swap2(a, b);
  cout << "a = " << a << endl;
  cout << "b = " << b << endl;

  int c = 3;
  cout << "c^2 = " << kvadrat(c) << endl;

  double t = 3.3;
  cout << "t^2 = " << kvadrat(t) << endl;

  cout << "kvadrat() = " << kvadrat() << endl;
  
  return 0;
}