diff --git a/ex01/Span b/ex01/Span
deleted file mode 100755
index 5766e55..0000000
Binary files a/ex01/Span and /dev/null differ
diff --git a/ex01/Span.cpp b/ex01/Span.cpp
index ca8632c..316cfdc 100644
--- a/ex01/Span.cpp
+++ b/ex01/Span.cpp
@@ -30,6 +30,7 @@ void Span::addNumber(int x)
 
 	if (this->_vec.size() >= this->_n)
 		throw std::out_of_range("Span vector is full");
+
 	if (this->_vec.size() < this->_n)
 		this->_vec.push_back(x);
 }
@@ -38,6 +39,7 @@ int Span::longestSpan() const
 {
 	if (_vec.empty() || _vec.size() == 1)
 		throw std::out_of_range("Span vector has less than 2 values");
+
 	std::vector<int>::const_iterator maxIt = std::max_element(_vec.begin(), _vec.end());
 	std::vector<int>::const_iterator minIt = std::min_element(_vec.begin(), _vec.end());
 	return (*maxIt - *minIt);
@@ -47,10 +49,13 @@ int Span::shortestSpan() const
 {
 	if (_vec.empty() || _vec.size() == 1)
 		throw std::out_of_range("Span vector has less than 2 values");
+
 	std::vector<int> tempvec = _vec;
 	std::sort(tempvec.begin(), tempvec.end());
 	int minspan = std::numeric_limits<int>::max();
-	for (size_t i = 0; i < _vec.size() - 1; ++i) {
+	
+	for (size_t i = 0; i < _vec.size() - 1; ++i)
+	{
 		int tempspan = tempvec[i + 1] - tempvec[i];
 		if (tempspan < minspan)
 			minspan = tempspan;
diff --git a/ex01/obj/Main.o b/ex01/obj/Main.o
deleted file mode 100644
index 4ca5710..0000000
Binary files a/ex01/obj/Main.o and /dev/null differ
diff --git a/ex01/obj/Span.o b/ex01/obj/Span.o
deleted file mode 100644
index 5d48f9a..0000000
Binary files a/ex01/obj/Span.o and /dev/null differ
diff --git a/ex02/Main.cpp b/ex02/Main.cpp
new file mode 100644
index 0000000..2fd22bf
--- /dev/null
+++ b/ex02/Main.cpp
@@ -0,0 +1,50 @@
+#include "MutantStack.hpp"
+#include <list>
+
+int main()
+{
+	// TEST 1 - MutantStack
+	std::cout << "test 1" << std::endl << std::endl;
+	MutantStack<int> mstack;
+	mstack.push(5);
+	mstack.push(17);
+	std::cout << mstack.top() << std::endl;
+	mstack.pop();
+	std::cout << mstack.size() << std::endl;
+	mstack.push(3);
+	mstack.push(5);
+	mstack.push(737);
+	mstack.push(0);
+	MutantStack<int>::iterator it = mstack.begin();
+	MutantStack<int>::iterator ite = mstack.end();
+	++it;
+	--it;
+	while (it != ite) {
+		std::cout << *it << std::endl;
+		++it;
+	}
+	std::stack<int> s(mstack);
+
+	std::cout << std::endl << "test 2" << std::endl << std::endl;
+	// TEST 2 - std::list (même comportement attendu)
+	std::list<int> mlist;
+	mlist.push_back(5);
+	mlist.push_back(17);
+	std::cout << mlist.back() << std::endl;
+	mlist.pop_back();
+	std::cout << mlist.size() << std::endl;
+	mlist.push_back(3);
+	mlist.push_back(5);
+	mlist.push_back(737);
+	mlist.push_back(0);
+	std::list<int>::iterator it2 = mlist.begin();
+	std::list<int>::iterator ite2 = mlist.end();
+	++it2;
+	--it2;
+	while (it2 != ite2) {
+		std::cout << *it2 << std::endl;
+		++it2;
+	}
+
+	return 0;
+}
diff --git a/ex02/Makefile b/ex02/Makefile
new file mode 100644
index 0000000..fd66934
--- /dev/null
+++ b/ex02/Makefile
@@ -0,0 +1,36 @@
+CXX = c++
+CXXFLAGS = -Wall -Wextra -Werror -std=c++98
+OBJDIR = obj
+SOURCES = Main.cpp
+OBJECTS = $(addprefix $(OBJDIR)/, $(SOURCES:.cpp=.o))
+NAME = Mstack
+
+all: $(NAME)
+
+$(OBJDIR):
+	@echo "📁 Creating obj directory..."
+	@mkdir -p $(OBJDIR)
+
+$(OBJDIR)/%.o: %.cpp | $(OBJDIR)
+	@echo "🧠 Compiling $< ..."
+	@$(CXX) $(CXXFLAGS) -c $< -o $@
+	@echo "✅ $@ ready!"
+
+$(NAME): $(OBJECTS)
+	@echo "🔗 Linking $(NAME) ..."
+	@$(CXX) $(CXXFLAGS) $(OBJECTS) -o $(NAME)
+	@echo "🎉 $(NAME) is ready!"
+
+clean:
+	@echo "🧹 Cleaning object files..."
+	@rm -rf $(OBJDIR)
+	@echo "✨ Objects cleaned!"
+
+fclean: clean
+	@echo "🗑️  Removing $(NAME)..."
+	@rm -f $(NAME)
+	@echo "💀 Full clean complete!"
+
+re: fclean all
+
+.PHONY: all clean fclean re
diff --git a/ex02/MutantStack.hpp b/ex02/MutantStack.hpp
new file mode 100644
index 0000000..7fd48ce
--- /dev/null
+++ b/ex02/MutantStack.hpp
@@ -0,0 +1,30 @@
+#ifndef MUTANTSTACK_HPP
+#define MUTANTSTACK_HPP
+
+#include <stack>
+#include <iostream>
+template <typename T>
+class MutantStack : public std::stack<T>
+{
+	public:
+	MutantStack() {};
+	~MutantStack() {};
+	MutantStack(const MutantStack &other) {this = other;};
+	MutantStack &operator=(const MutantStack &other);
+
+	typedef typename std::stack<T>::container_type::iterator iterator;
+	typedef typename std::stack<T>::container_type::const_iterator const_iterator;
+	typedef typename std::stack<T>::container_type::reverse_iterator reverse_iterator;
+	typedef typename std::stack<T>::container_type::const_reverse_iterator const_reverse_iterator;
+
+	iterator begin() {return this->c.begin();}
+	iterator end() {return this->c.end();}
+	const_iterator begin() const {return this->c.begin();}
+	const_iterator end() const {return this->c.end();}
+	reverse_iterator rbegin() {return this->c.rbegin();}
+	reverse_iterator rend() {return this->c.rend();}
+	const_reverse_iterator rbegin() const {return this->c.rbegin();}
+	const_reverse_iterator rend() const {return this->c.rend();}
+};
+
+#endif