diff --git a/DEV1.1/TP07/sequence.c b/DEV1.1/TP07/sequence.c
new file mode 100644
index 0000000..72c830c
--- /dev/null
+++ b/DEV1.1/TP07/sequence.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main (void){
+	int a, b ;
+	printf("Entrez deux entiers : ");
+	scanf(%d ,&a);
+	scanf %d" , &b);
+	
+	if (a > b) {
+	  int tmp = a;
+	  a = b;
+ 	  b = tmp;
+ 	}
+	
+	int i= 0
+	while (i<10){ 
+	   ;
+	   i = i + 1;
+	}
+}
\ No newline at end of file
diff --git a/DEV1.1/operations.c b/DEV1.1/operations.c
new file mode 100644
index 0000000..5fcdec0
--- /dev/null
+++ b/DEV1.1/operations.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+  printf("%5.0f\n", 5.0+2.5);
+  printf("%5.0f\n", 5.0-2.5);
+  printf("%5.0f\n", 5.0*2.5);
+  printf("%5.0f\n", 5.0/2.5);
+  printf("%.5.0f\n", 5.0%2.5);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/poussiere.c b/DEV1.1/poussiere.c
new file mode 100644
index 0000000..0e2c0d2
--- /dev/null
+++ b/DEV1.1/poussiere.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+ printf("%.12f\n ", 12345.678910111213);
+  return EXIT_SUCCESS;
+}