update

DEV.1.1/CM2/CM2A/2.Separation/lightness.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "lightness.h"
+
+int lightness(void) {
+  if (time(NULL)%2) {
+    return LIGHT;
+  } else {
+    return DARK;
+  }
+}