#include <library.h>

void order(int & x, int & y)
{ if (x > y)
  { int temp = x;
    x = y;
    y = temp; } }

void main()
{ int V[1000];   // got 1000 variables called V[0] up to V[999]
  cout << "How many things to sort (up to 1000)? ";
  const int N = read_int();
  const int max = N - 1;
  int i = 0;
  while (i <= max)
  { V[i] = random_in_range(10, 99);
    i = i + 1; }

  cout << "before: ";
  i = 0;
  while (i <= max)
  { cout << V[i] << " ";
    i = i + 1; }
  cout << "\n";

  // This part of the program sorts N int variables into ascending order
  int len = max - 1;
  while (len >= 0)
  { int i = 0;
    while (i <= len)
    { order(V[i], V[i+1]);
      i = i + 1; }
    len = len - 1; }

  cout << "after:  ";
  i = 0;
  while (i <= max)
  { cout << V[i] << " ";
    i = i + 1; }
  cout << "\n"; }