// File: vars.cpp
#include <iostream>
using namespace std;

int g = 1000;

void p(int i)
{
   int j = 30;
   cout << "i in p is : " << i << endl;
   cout << "j in p is : " << j << "\n\n\n" << endl;
}

void f(int i)
{
   int j = 20;
   static int k = 100;

   cout << "i in f is : " << i << endl;
   cout << "j in f is : " << j << endl;
   cout << "k in f is : " << k << endl;
   cout << "g in f is : " << g << "\n\n" << endl;

   i++; j++; k++; g++;

   p(i);
}

int main()
{
   int i = 5; cout << "i in main is :" << i << '\n' << endl;
   f(i);      cout << "i in main is :" << i << '\n' << endl;
   f(i++);    cout << "i in main is :" << i << '\n' << endl;
   f(++i);    cout << "i in main is :" << i << '\n' << endl;

   cout << "g in main is :" << g << '\n' << endl;

   return 0;
}