diff --git a/DEV1.1/TP01/salut.c b/DEV1.1/TP01/salut.c
new file mode 100644
index 0000000..8c8a527
--- /dev/null
+++ b/DEV1.1/TP01/salut.c
@@ -0,0 +1,11 @@
+/* premier programme */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(void) {
+  printf("%c \n",'Hello ');
+	printf("%c \n", 'world!');
+  return EXIT_SUCCESS;
+}
+
diff --git a/DEV1.1/base.c b/DEV1.1/base.c
new file mode 100644
index 0000000..00be814
--- /dev/null
+++ b/DEV1.1/base.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+ 
+int main(void) {
+  int n = 12;
+ 
+  printf("%d", (n>>7)&1);
+  printf("%d", (n>>6)&1);
+  printf("%d", (n>>5)&1);
+  printf("%d", (n>>4)&1);
+  printf("%d", (n>>3)&1);
+  printf("%d", (n>>2)&1);
+  printf("%d", (n>>1)&1);
+  printf("%d", n&1);
+  printf("\n");
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/reponse.txt b/DEV1.1/reponse.txt
new file mode 100755
index 0000000..e69de29