diff --git a/DEV1.1/TP09/affluence b/DEV1.1/TP09/affluence
new file mode 100755
index 0000000..77fe9f0
Binary files /dev/null and b/DEV1.1/TP09/affluence differ
diff --git a/DEV1.1/TP09/affluence.c b/DEV1.1/TP09/affluence.c
new file mode 100644
index 0000000..bf82540
--- /dev/null
+++ b/DEV1.1/TP09/affluence.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+	int visitL,visitMA,visitME,visitJ,visitV,visitS,visitD;
+	double visit_moyen;
+	printf("Nombre de visiteur lundi : ");
+	scanf("%d",&visitL);
+	printf("Nombre de visiteur mardi : ");
+	scanf("%d",&visitMA);
+	printf("Nombre de visiteur mercredi : ");
+	scanf("%d",&visitME);
+	printf("Nombre de visiteur jeudi : ");
+	scanf("%d",&visitJ);
+	printf("Nombre de visiteur vendredi : ");
+	scanf("%d",&visitV);
+	printf("Nombre de visiteur samedi : ");
+	scanf("%d",&visitS);
+	printf("Nombre de visiteur dimanche : ");
+	scanf("%d",&visitD);
+	visit_moyen= (double) visitL+visitMA+visitME+visitJ+visitV+visitS+visitD;
+	visit_moyen/=7;
+	printf("%f\n",visit_moyen);
+    return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP09/debordement b/DEV1.1/TP09/debordement
new file mode 100755
index 0000000..2f41a47
Binary files /dev/null and b/DEV1.1/TP09/debordement differ
diff --git a/DEV1.1/TP09/debordement.c b/DEV1.1/TP09/debordement.c
new file mode 100644
index 0000000..8c68fd3
--- /dev/null
+++ b/DEV1.1/TP09/debordement.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+	int val;
+	char val1;
+	printf("Donnez un entier : ");
+	scanf("%d",&val);
+	val1= (char) val;
+	printf("%hhd\n",val1);
+    return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP09/variete b/DEV1.1/TP09/variete
new file mode 100755
index 0000000..9c225a1
Binary files /dev/null and b/DEV1.1/TP09/variete differ
diff --git a/DEV1.1/TP09/variete.c b/DEV1.1/TP09/variete.c
new file mode 100644
index 0000000..3a87189
--- /dev/null
+++ b/DEV1.1/TP09/variete.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+	char val=77;
+	unsigned char val1;
+	short int val2;
+	unsigned short int val3;
+	int val4;
+	unsigned int val5;
+	long int val6;
+	unsigned long int val7;
+	long long int val8;
+	unsigned long long int val9;
+	float val10;
+	double val11;
+	long double val12;
+	printf("%hhd\n",val);
+	val1 = (unsigned char) val;
+	printf("%hhu\n",val1);
+	val2 = (short int ) val1;
+	printf("%hd\n",val2);
+	val3 = (unsigned short int ) val2;
+	printf("%hu\n",val3);
+	val4 = (int) val3;
+	printf("%d\n",val4);
+	val5 = (unsigned int) val4;
+	printf("%u\n",val5);
+	val6 = (long int) val5;
+	printf("%ld\n",val6);
+	val7 = (unsigned long int) val6;
+	printf("%lu\n",val7);
+	val8 = (long long int) val7;
+	printf("%lld\n",val8);
+	val9 = (unsigned long long int) val8;
+	printf("%llu\n",val9);
+	val10 = (float) val9;
+	printf("%f\n",val10);
+	val11 = (double) val10;
+	printf("%f\n",val11);
+	val12 = (long double) val11;
+	printf("%Lf\n",val12);
+    return EXIT_SUCCESS;
+}
\ No newline at end of file