diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..34e908a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+.direnv
+*.o
+obj/
+compile_commands.json
+.cache
+*.d
+
+whatever
+iter
diff --git a/ex00/main.cpp b/ex00/main.cpp
index adcf478..94ba6fe 100644
--- a/ex00/main.cpp
+++ b/ex00/main.cpp
@@ -6,7 +6,7 @@
 /*   By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/04/09 14:29:59 by adjoly            #+#    #+#             */
-/*   Updated: 2025/04/09 14:51:07 by adjoly           ###   ########.fr       */
+/*   Updated: 2025/04/09 14:55:59 by adjoly           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -15,15 +15,16 @@
 
 int main(void) {
   int a = 2;
-  int b = 8;
-
-  std::cout << "a: " << a << " and b: " << b << std::endl;
-  std::cout << "min betweeen a and b: " << min(a, b) << std::endl;
-  std::cout << "max betweeen a and b: " << max(a, b) << std::endl;
-  std::cout << "swapping a and b" << std::endl;
-  swap(a, b);
-  std::cout << "a: " << a << " and b: " << b << std::endl;
-  std::cout << "min betweeen a and b: " << min(a, b) << std::endl;
-  std::cout << "max betweeen a and b: " << max(a, b) << std::endl;
-
+  int b = 3;
+  ::swap(a, b);
+  std::cout << "a = " << a << ", b = " << b << std::endl;
+  std::cout << "min( a, b ) = " << ::min(a, b) << std::endl;
+  std::cout << "max( a, b ) = " << ::max(a, b) << std::endl;
+  std::string c = "chaine1";
+  std::string d = "chaine2";
+  ::swap(c, d);
+  std::cout << "c = " << c << ", d = " << d << std::endl;
+  std::cout << "min( c, d ) = " << ::min(c, d) << std::endl;
+  std::cout << "max( c, d ) = " << ::max(c, d) << std::endl;
+  return 0;
 }
diff --git a/ex00/obj/main.d b/ex00/obj/main.d
deleted file mode 100644
index 2c5bb4b..0000000
--- a/ex00/obj/main.d
+++ /dev/null
@@ -1,3 +0,0 @@
-obj/./main.o: main.cpp whatever.hpp
-
-whatever.hpp:
diff --git a/ex00/obj/main.o b/ex00/obj/main.o
deleted file mode 100644
index b42db2f..0000000
Binary files a/ex00/obj/main.o and /dev/null differ
diff --git a/ex00/whatever b/ex00/whatever
deleted file mode 100755
index 1952895..0000000
Binary files a/ex00/whatever and /dev/null differ
diff --git a/ex01/Makefile b/ex01/Makefile
new file mode 100644
index 0000000..902f5c7
--- /dev/null
+++ b/ex01/Makefile
@@ -0,0 +1,60 @@
+# **************************************************************************** #
+#                                                                              #
+#                                                         :::      ::::::::    #
+#    Makefile                                           :+:      :+:    :+:    #
+#                                                     +:+ +:+         +:+      #
+#    By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+         #
+#                                                 +#+#+#+#+#+   +#+            #
+#    Created: 2024/10/25 16:09:27 by adjoly            #+#    #+#              #
+#    Updated: 2025/04/09 14:50:44 by adjoly           ###   ########.fr        #
+#                                                                              #
+# **************************************************************************** #
+
+SHELL = bash
+
+NAME = whatever
+
+CC = c++
+
+OBJSDIR = obj/
+
+SRCS = $(shell find . -name '*.cpp')
+
+OBJS = $(addprefix $(OBJSDIR), $(SRCS:.cpp=.o))
+
+FLAGS = -Wall -Werror -Wextra -std=c++98 -MMD -MP
+
+RED = \033[0;31m
+GREEN = \033[0;32m
+YELLOW = \033[1;33m
+PURPLE = \e[0;35m
+NC = \033[0m
+DELETE = \x1B[2K\r
+
+ifeq ($(VERBOSE),true)
+	FLAGS += -D VERBOSE
+endif
+
+all: $(NAME)
+
+$(NAME): $(OBJS)
+	@$(CC) $(FLAGS) -I . $(OBJS) -o $(NAME)
+	@printf "$(YELLOW)「✨」($(NAME)) Program compiled\n"
+
+$(OBJSDIR)%.o: %.cpp
+	@mkdir -p $(@D)
+	@$(CC) $(FLAGS) -I . -c $< -o $@
+	@printf "$(DELETE)$(GREEN)「🔨」($<) Object compiled\n"
+
+clean:
+	@rm -f $(OBJS)
+	@printf "$(DELETE)$(RED)「🗑️」($(OBJS)) Object deleted\n"
+
+fclean: clean
+	@rm -f $(NAME)
+	@rm -Rf $(OBJSDIR)
+	@printf "$(RED)「🗑️」($(NAME)) Program deleted\n"
+
+re: fclean all
+
+.PHONY: clean fclean all re
diff --git a/ex01/iter.hpp b/ex01/iter.hpp
new file mode 100644
index 0000000..23c24b6
--- /dev/null
+++ b/ex01/iter.hpp
@@ -0,0 +1,19 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   iter.hpp                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/04/09 14:56:23 by adjoly            #+#    #+#             */
+/*   Updated: 2025/04/09 15:21:01 by adjoly           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#pragma once
+
+template<typename T> void	iter(T *arr, int len, void(*func)(T &)) {
+	for (int i = 0; i< len; i++) {
+		func(arr[i]);
+	}
+}
diff --git a/ex01/main.cpp b/ex01/main.cpp
new file mode 100644
index 0000000..ab47724
--- /dev/null
+++ b/ex01/main.cpp
@@ -0,0 +1,26 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   main.cpp                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: adjoly <adjoly@student.42angouleme.fr>     +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/04/09 15:17:59 by adjoly            #+#    #+#             */
+/*   Updated: 2025/04/09 15:20:20 by adjoly           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "iter.hpp"
+#include <iostream>
+
+void	test(int &nb) {
+	nb++;
+}
+
+int main(void) {
+	int	test[4] = {1, 2, 3, 4};
+
+	for (int i = 0; i < 4; i++) {
+		std::cout << test[i] << std::endl;
+	}
+}