using System;

public class Program

{

    public static void Main()

    { int[] tab= new int[] {7,9,4,5,2,3,10,6};

     TriDecroissant(tab);

     foreach(int elt in tab)

     { Console.Write(elt + "\t");

     }

    }

    static void TriDecroissant( int [] tab)

    { int i,j,max,indmax;

     for(i=0; i<= tab.Length-2;i++)

     {  indmax=i;

      max= tab[i];

      for(j=i+1; j<= tab.Length-1;j++)

      { if( tab[j] > max)

      { max= tab[j];

       indmax= j;

          }

          } 

      if( i != indmax)

      { int r= tab[i];

       tab[i]= tab[indmax];

       tab[indmax]=r;

      }

     }

                               }

}