public void trierRapide()
	{
		trierRapide(0,nbElt-1);
	}

	private int partition(int deb,int fin)
	{
		int compt = deb;
		int pivot = tab[deb];

		for(int i=deb+1;i<=fin;i++)
		{
			if (tab[i]<pivot)
			{
				compt++;
				permuter(compt,i);
			}
		}

		permuter(deb,compt);

		return compt;
        }

	private void trierRapide(int deb,int fin)
        {
		if(deb<fin)
		{
			int positionPivot=partition(deb,fin);
			trierRapide(deb,positionPivot-1);
			trierRapide(positionPivot+1,fin);
		}
        }