--- file_not_specified_in_diff	
+++ file_not_specified_in_diff	
@@ -40,2 +40,2 @@ 
-    #include <stdio.h>
-    #include <stdlib.h>
---
+    #include <cstdio>
+    #include <cstdlib.
@@ -43,1 +43,1 @@ 
-        #include <limits.h>
---
+        #include <climits>
@@ -52,1 +52,1 @@ 
-        #include <ctype.h>
---
+        #include <cctype>