-#include "stdio.h"
\ No newline at end of file
+
+#include "ctype.h"
+#include "float.h"
+#include "iso646.h"
+#include "limits.h"
+#include "math.h"
+#include "stddef.h"
+#include "stdio.h"
+#include "stdlib.h"
+#include "string.h"
+#include "time.h"