diff --git a/exo3/REPONSES.md b/exo3/REPONSES.md
new file mode 100644
index 0000000..bec5417
--- /dev/null
+++ b/exo3/REPONSES.md
@@ -0,0 +1,11 @@
+### REPONSES
+
+#### Complexité algorithmique.
+	pour la fonction triSpecial(): Soit n qui désigne la taille du tableau. 
+	Dans le cas où le nombre de racines carrées est pair, triSpecial() fait appel à une fonction somme qui est d'une complexité linéaire O(n), car le seul argument est le tableau. Une boucle est ensuite réalisée sur un 1 élément sur deux, soit O(n/2), pour faire des affectations.
+	En supposant que la boucle qui permet de vérifier le nombre de racines carrées se trouve dans la fonction (ce n'est pas le cas ici mais c'est ce qui est demandé dans l'énoncé), on a en plus une complexité O(n/2) sur le tableau.
+	On a donc l'expression : n/2 + n + n/2. 
+	La complexité est de O(2n).
+	Dans le cas où le nombre de racines carrées est impair, on a: n * n/2 + n/2 * n/2.
+	La complexité est de O(3n²/4).
+	
diff --git a/exo3/a.out b/exo3/a.out
index bbde64b..72fc9fe 100755
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diff --git a/exo3/gmon.out b/exo3/gmon.out
new file mode 100644
index 0000000..4bfca12
Binary files /dev/null and b/exo3/gmon.out differ
diff --git a/exo3/nombres.txt b/exo3/nombres.txt
new file mode 100644
index 0000000..58d9c90
--- /dev/null
+++ b/exo3/nombres.txt
@@ -0,0 +1,999 @@
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diff --git a/exo3/tri_spec.c b/exo3/tri_spec.c
index 957737a..fd21822 100644
--- a/exo3/tri_spec.c
+++ b/exo3/tri_spec.c
@@ -95,6 +95,7 @@ int main(int argc, char**argv){
 	
 
 	triSpecial(tableau, nb_racine_carre, count);
+	Affichage(tableau, nb_racine_carre, count);
 
 	free(tableau);
 	free(buffer);
diff --git a/exo3/writefile.c b/exo3/writefile.c
new file mode 100644
index 0000000..8ed4932
--- /dev/null
+++ b/exo3/writefile.c
@@ -0,0 +1,27 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#define LIMIT 999
+#define BUF_LIM 512
+
+int main(void){
+	FILE* f = fopen("nombres.txt", "w");
+	int r;
+	char* buffer = (char*) malloc(BUF_LIM*sizeof(char));
+
+	if(f!=NULL){
+		for(int i=0; i<LIMIT; i++){
+			r = rand()%10000;
+			if(r<0){
+				printf("%d\n", r);
+			}
+			sprintf(buffer,"%d\n",r);
+			fputs(buffer, f);
+		}	
+	}
+
+	fclose(f);
+	free(buffer);
+
+	return EXIT_SUCCESS;
+}
\ No newline at end of file