diff --git a/DEV1.1/TP02/arithmétique.c b/DEV1.1/TP02/arithmétique.c
new file mode 100644
index 0000000..1f6700f
--- /dev/null
+++ b/DEV1.1/TP02/arithmétique.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdlib.h>
+ 
+int main(void) {
+  printf("%d\n", 100/6);
+  printf("%d\n", 100%6);
+  printf("%d\n", 0x1A*015);
+  printf("%d\n", -3/5);
+  printf("%d\n", -31/5);
+  printf("%d\n", -31%5);
+  printf("%d\n", 100*(3/5));
+  printf("%d\n", 100*3/5);
+  printf("%d\n", 2-3-5);
+  printf("%d\n", 2-(3-5));
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP02/bases.c b/DEV1.1/TP02/bases.c
new file mode 100644
index 0000000..1f6700f
--- /dev/null
+++ b/DEV1.1/TP02/bases.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdlib.h>
+ 
+int main(void) {
+  printf("%d\n", 100/6);
+  printf("%d\n", 100%6);
+  printf("%d\n", 0x1A*015);
+  printf("%d\n", -3/5);
+  printf("%d\n", -31/5);
+  printf("%d\n", -31%5);
+  printf("%d\n", 100*(3/5));
+  printf("%d\n", 100*3/5);
+  printf("%d\n", 2-3-5);
+  printf("%d\n", 2-(3-5));
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP03/chiffre.c b/DEV1.1/TP03/chiffre.c
new file mode 100644
index 0000000..5fd00d8
--- /dev/null
+++ b/DEV1.1/TP03/chiffre.c
@@ -0,0 +1,6 @@
+#include <stdlib.h>
+#include <stdio.h>
+int main(void){
+  printf("%c\n",'5'+2);
+  return EXIT_SUCCESS;
+}
\ No newline at end of file
diff --git a/DEV1.1/TP03/slut.c b/DEV1.1/TP03/slut.c
new file mode 100644
index 0000000..73a330e
--- /dev/null
+++ b/DEV1.1/TP03/slut.c
@@ -0,0 +1,18 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(vold){
+  printf("%c", 'h');
+  printf("%c", 'e');
+  printf("%c", 'l');
+  printf("%c", 'l');
+  printf("%c", 'o');
+  printf("%c", 'w');
+  printf("%c", 'o');
+  printf("%c", 'r');
+  printf("%c", 'l');
+  printf("%c", 'd');
+  printf("%c", '!');
+  printf("%c", '\n');
+  return 0;
+}
\ No newline at end of file