Least Frequently Used (LRU) in C++

#include<iostream.h>
using namespace std;
int main ()
{
  int nopages, nofaults, page[20], i, count = 0;
  cout << "\n\t Enter no of pages for which you want to calculate page faults:>";
  cin >> nopages;
  //it will store the numer of Pages
  cout << "\n\t Enter the Reference String:";
  for (i = 0; i < nopages; i++)

    {
      cout << "\t"; cin >> page[i];
    }
  cout << "\n\t Enter the Numer of frames:"; cin >> nofaults;
  int frame[nofaults], fcount[nofaults];
  for (i = 0; i < nofaults; i++)

    {
      frame[i] = -1;
      fcount[i] = 0;
      //it will keep the track of when the page was last used
    }
  i = 0;
  while (i < nopages)

    {
      int j = 0, flag = 0;
      while (j < nofaults)

	{
	  if (page[i] == frame[j])
	    {
	      //it will check whether the page already exist in frames or not
	      flag = 1;
	      fcount[j] = i + 1;
	    }
	  j++;
	}
      j = 0;
      cout << "\n\t***\n";
      cout << "\t" << page[i] << "-->";
      if (flag == 0)

	{
	  int min = 0, k = 0;
	  while (k < nofaults - 1) { if (fcount[min] > fcount[k + 1])
		//It will calculate the page which is least recently used
		min = k + 1;
	      k++;
	    }
	  frame[min] = page[i];
	  fcount[min] = i + 1;
	  //Increasing the time
	  count++;
	  //it will count the total Page Fault
	  while (j < nofaults)

	    {
	      cout << "\t|" << frame[j] << "|";
	      j++;
	    }
	}
      i++;
    }
  cout << "\n\t***\n";
  cout << "\n\t Page Fault:" << count;
  return 0;
}