Ajout TPS + Entrainements

DEV1.1/Entrainements/controle_machine_2_A/lightness.c

@@ -0,0 +1,12 @@
+#include<stdlib.h>
+#include<stdio.h>
+#include<time.h>
+#include "carre.h"
+
+int lightness(void) {
+  if (time(NULL)%2) {
+    return LIGHT;
+  } else {
+    return DARK;
+  }
+}