diff --git a/DEV1.1/TP05/billevesee b/DEV1.1/TP05/billevesee
new file mode 100755
index 0000000..3922b4a
Binary files /dev/null and b/DEV1.1/TP05/billevesee differ
diff --git a/DEV1.1/TP05/billevesee.c b/DEV1.1/TP05/billevesee.c
new file mode 100644
index 0000000..b26544d
--- /dev/null
+++ b/DEV1.1/TP05/billevesee.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  int x=3;               
+ 
+  if (x=2) {
+    printf("x vaut 2\n");   
+  } else {
+    printf("x est different de 2\n");              
+  }
+ 
+  printf("%d\n", x);                                          
+ 
+  if (x=0) {
+    printf("x vaut 0\n");                                         
+  } else {
+    printf("x est different de 0\n");          
+  }
+ 
+  printf("%d\n", x);                                          
+ 
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP05/produit b/DEV1.1/TP05/produit
new file mode 100755
index 0000000..cd77d3a
Binary files /dev/null and b/DEV1.1/TP05/produit differ
diff --git a/DEV1.1/TP05/produit.c b/DEV1.1/TP05/produit.c
new file mode 100644
index 0000000..b3043a7
--- /dev/null
+++ b/DEV1.1/TP05/produit.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  int val1,val2;
+  char signe;
+  printf("Entrez un réel : \n");
+  scanf("%d", &val1);
+  printf("Entrez un deuxième réel : \n");
+  scanf("%d", &val2);
+  if ((val1<0) && (val2<0))
+    signe='+';
+  if ((val1>0) && (val2>0))
+    signe='+';
+  else
+    signe='-';
+  printf("la multiplication de %d et de %d donnera un nombre %c \n",val1,val2,signe);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP05/triple b/DEV1.1/TP05/triple
new file mode 100755
index 0000000..561aad2
Binary files /dev/null and b/DEV1.1/TP05/triple differ
diff --git a/DEV1.1/TP05/triple.c b/DEV1.1/TP05/triple.c
new file mode 100644
index 0000000..ca1ce7b
--- /dev/null
+++ b/DEV1.1/TP05/triple.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  int valeur,reste,multiple3;
+  printf("Entrez un entier naturel : \n");
+  scanf("%d", &valeur);
+  reste=valeur%3;
+  if (reste==0)
+  	multiple3=valeur;
+  if (reste==1)
+	multiple3=valeur-1;
+  else
+    multiple3=valeur+1;
+  printf("Le multiple de trois le plus proche de %d est %d \n",valeur,multiple3);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file