diff --git a/functions.c b/functions.c
index afb2578..daff94a 100644
--- a/functions.c
+++ b/functions.c
@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
+#include <math.h>
 
 #include "functions.h"
 
@@ -14,18 +15,18 @@ StoreTime * tab_execution(int * (* function)(long*, long), long * tab, int taill
 
     for(int i=0; i<taille; i++){
         results[i].num = tab[i];
+        printf("nombre %d\n\n", results[i].num);
 
         ordered_tab = generer_bon_ordre(tab[i]);
         results[i].time_ordered = execution_time(function, ordered_tab, taille);
+        free(ordered_tab);
 
         inverse_tab = generer_ordre_inverse(tab[i]);
         results[i].time_inverse = execution_time(function, inverse_tab, taille);
+        free(inverse_tab);
 
         random_tab = generer_random(tab[i]);
         results[i].time_random = execution_time(function, random_tab, taille);
-
-        free(ordered_tab);
-        free(inverse_tab);
         free(random_tab);
     }
     return results;
@@ -98,3 +99,24 @@ int writeCSV(char * algorithm ,StoreTime * results, int taille){
 
     return 1;
 }
+
+long * generer_tailles_tableaux(long debut, long fin, int *taille){
+    *taille = (int) (log((fin / debut)) / log(2) + 2) ;
+    long *tab = malloc((*taille) * sizeof(long));
+
+    long value = debut;
+    int i = 0;
+    while(value<=fin){
+        tab[i] = value;
+        value*=2;
+        i++;
+    }
+    return tab;
+}
+
+void print_tab(long * tab, long n){
+    for(int i=0; i<n; i++){
+        printf("%d ", tab[i]);
+    }
+    printf("\n\n\n");
+}
diff --git a/functions.h b/functions.h
index a0178cd..ad93f5c 100644
--- a/functions.h
+++ b/functions.h
@@ -23,4 +23,7 @@ long * generer_random(long n);
 // ecrire les resultats dans un fichier csv
 int writeCSV(char * algorithm ,StoreTime * results, int taille);
 
+// generer les tableau des valleurs
+long * generer_tailles_tableaux(long debut, long fin, int * taille);
+
 #endif // base
diff --git a/main.c b/main.c
index 8e5e6af..b763f06 100644
--- a/main.c
+++ b/main.c
@@ -13,13 +13,17 @@
 int main(){
     srand(time(NULL));
 
-    int (* fonctions [1])(long*, long) = {heapSort};
+    long *tab = NULL;
+    long debut = 50000, fin = 204800000;
+    int taille;
 
-    long tab[6] = {10, 100};
+    int (* fonctions [5])(long*, long) = {insertionSort, bubbleSort, mergeSort, quickSort, heapSort};
 
-    StoreTime *results = tab_execution(fonctions[0], tab, 2);
+    tab = generer_tailles_tableaux(debut, fin, &taille);
 
-    writeCSV("heapSort", results, 2);
+    StoreTime *results = tab_execution(fonctions[4], tab, taille);
+
+    writeCSV("heapSort", results, taille);
 
     return EXIT_SUCCESS;
 }