double value = -60;

	for (int i =0 ; i < 14; i++)
	{
		mt1[i].value= value;
		mt1[i].cpt=0;
		value=value+ 10;

	}


for (int i =0 ; i < 14; i++)
	{
		if (counter <= mt1[0].value)
			mt1[0].cpt+=1;
		else if (counter >= mt1[13].value)
			mt1[14].cpt+=1;
		else if (counter >= mt1[i].value && counter <= mt1[i + 1].value )
			mt1[i].cpt +=1;
		else
			mt1[i+1].cpt +=1;
		affiche = mt1[i].value * 0.001 ;
		printf("%.2lf %d  \n",affiche,mt1[i].cpt);
	}