diff --git a/ex01/ft_ultimate_ft.c b/ex01/ft_ultimate_ft.c
index 9b79cc5..b245892 100644
--- a/ex01/ft_ultimate_ft.c
+++ b/ex01/ft_ultimate_ft.c
@@ -6,7 +6,7 @@
 /*   By: tischmid <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/03/19 04:55:47 by tischmid          #+#    #+#             */
-/*   Updated: 2023/03/19 05:07:53 by tischmid         ###   ########.fr       */
+/*   Updated: 2023/03/19 05:23:01 by tischmid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/ex02/ft_swap.c b/ex02/ft_swap.c
index 8103add..198d2f4 100644
--- a/ex02/ft_swap.c
+++ b/ex02/ft_swap.c
@@ -6,7 +6,7 @@
 /*   By: tischmid <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/03/19 05:05:51 by tischmid          #+#    #+#             */
-/*   Updated: 2023/03/19 05:09:45 by tischmid         ###   ########.fr       */
+/*   Updated: 2023/03/19 05:22:55 by tischmid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
diff --git a/ex03/ft_div_mod.c b/ex03/ft_div_mod.c
index da19a3b..679dc2e 100644
--- a/ex03/ft_div_mod.c
+++ b/ex03/ft_div_mod.c
@@ -6,7 +6,7 @@
 /*   By: tischmid <marvin@42.fr>                    +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/03/19 05:17:56 by tischmid          #+#    #+#             */
-/*   Updated: 2023/03/19 05:20:57 by tischmid         ###   ########.fr       */
+/*   Updated: 2023/03/19 05:22:50 by tischmid         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -21,8 +21,8 @@ void	ft_div_mod(int a, int b, int *div, int *mod)
 
 int	main(void)
 {
-	int div;
-	int mod;
+	int	div;
+	int	mod;
 
 	ft_div_mod(10, 3, &div, &mod);
 	printf("div %d mod %d\n", div, mod);
diff --git a/ex04/ft_ultimate_div_mod.c b/ex04/ft_ultimate_div_mod.c
new file mode 100644
index 0000000..f58009d
--- /dev/null
+++ b/ex04/ft_ultimate_div_mod.c
@@ -0,0 +1,39 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_ultimate_div_mod.c                              :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tischmid <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2023/03/19 05:22:13 by tischmid          #+#    #+#             */
+/*   Updated: 2023/03/19 05:26:34 by tischmid         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+void	ft_ultimate_div_mod(int *a, int *b)
+{
+	int	div;
+	int	mod;
+
+	div = *a / *b;
+	mod = *a % *b;
+	*a = div;
+	*b = mod;
+}
+
+/* ////
+#include <stdio.h>
+
+int	main(void)
+{
+	int	a;
+	int	b;
+
+	a = 10;
+	b = 3;
+	printf("a %d b %d\n", a, b);
+	ft_ultimate_div_mod(&a, &b);
+	printf("div %d mod %d\n", a, b);
+	return (0);
+}
+*/ ////