void lireDatatxt(int tableau[NbLigne][NbColonne]){ //7 12
FILE *file;
	int index, index2;  // Lignes et collones
	file = fopen( "data.txt", "r" );

	for(index=0;index<7;++index){
		for(index2=0;index2<12;++index2){
			fscanf(file,"%d",&tableau[index][index2]);
		}
	}
}