--- hex.c.orig	Thu Apr 17 12:58:50 1997
+++ hex.c	Tue Jan 16 16:50:20 2001
@@ -2837,6 +2837,7 @@
 	n=0;
 	b=0;
 	printf(PROMPT);
+	fflush(NULL);
 
 	/*
 	 *		Read chars from the judge until we get two EOL's in a row
@@ -2867,6 +2868,7 @@
 			input[n]=' ';
 			++n;
 			printf(PROMPT);
+			fflush(NULL);
 		} else {
 			/*
 			 *		Copy the char to the buffer