static Random rnd = new Random();
 
static void elofordulas(int[] tomb, int x)
{
   foreach(int x in tomb)
   {
    if (x==keresett_elem)
       return true;
   }
   return false;
}
 
 
static int veletlenszam(int also, int felso)
{
   return rnd.Next(also,felso+1);
}
 
static void uj_veletlenszam(int[] tomb, int also, int felso)
{
   bool talalat=true;
   int x;
   while (talalat == true)
   {
     x = veletlenszam(also, felso);
     talalat = elofordulas(tomb, x);
   }
   return x;
}
 
static void tomb_feltoltes(int[] tomb, int also, int felso)
{
  for(int i=0;i<tomb.Length;i++)
    tomb[i] = uj_veletlenszam(tomb, also, felso);
}
 
static void kiiras(int[] tomb)
{
  foreach(int x in tomb)
    Console.WriteLine(x);
}
 
static void Main()
{
  int[] tomb = new int[5];
  tomb_feltoltes(tomb, 1, 90);
  kiiras(tomb);
  Console.ReadLine();
}