diff --git a/d04/WrongCat.hpp b/d04/WrongCat.hpp
deleted file mode 100644
index 158267d..0000000
--- a/d04/WrongCat.hpp
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef WRONG_CAT_HPP
-# define WRONG_CAT_HPP
-
-# include "WrongAnimal.hpp"
-
-#include <iostream>
-#include <string>
-
-class WrongCat : public WrongAnimal {
-
-public:
-
-	WrongCat( void );
-	WrongCat( WrongCat const & src );
-	~WrongCat( void );
-	WrongCat &	operator=( WrongCat const & rhs );
-
-	void	makeSound() const;
-
-};
-
-#endif
-
diff --git a/d04/ex00/poly b/d04/ex00/poly
deleted file mode 100755
index 6b37710..0000000
Binary files a/d04/ex00/poly and /dev/null differ
diff --git a/d04/ex01/Makefile b/d04/ex01/Makefile
index 0fb712c..5de1a7f 100644
--- a/d04/ex01/Makefile
+++ b/d04/ex01/Makefile
@@ -28,14 +28,14 @@ LIBS      =
 
 INCLUDES  = -I$(D_HEADERS)
 
-D_SRCS    = .
+D_SRCS    = srcs
 SRCS      = main.cpp \
 			Animal.cpp \
 			Dog.cpp \
 			Cat.cpp \
 			Brain.cpp
 
-D_HEADERS = .
+D_HEADERS = headers
 HEADERS   = Animal.hpp \
 			Dog.hpp \
 			Cat.hpp \
diff --git a/d04/ex01/a.out b/d04/ex01/a.out
deleted file mode 100755
index 459a130..0000000
Binary files a/d04/ex01/a.out and /dev/null differ
diff --git a/d04/ex01/fr.subject.pdf b/d04/ex01/fr.subject.pdf
deleted file mode 100644
index d3212de..0000000
Binary files a/d04/ex01/fr.subject.pdf and /dev/null differ
diff --git a/d04/ex01/Animal.hpp b/d04/ex01/headers/Animal.hpp
similarity index 100%
rename from d04/ex01/Animal.hpp
rename to d04/ex01/headers/Animal.hpp
diff --git a/d04/ex01/Brain.hpp b/d04/ex01/headers/Brain.hpp
similarity index 100%
rename from d04/ex01/Brain.hpp
rename to d04/ex01/headers/Brain.hpp
diff --git a/d04/ex01/Cat.hpp b/d04/ex01/headers/Cat.hpp
similarity index 100%
rename from d04/ex01/Cat.hpp
rename to d04/ex01/headers/Cat.hpp
diff --git a/d04/ex01/Dog.hpp b/d04/ex01/headers/Dog.hpp
similarity index 100%
rename from d04/ex01/Dog.hpp
rename to d04/ex01/headers/Dog.hpp
diff --git a/d04/ex01/color.h b/d04/ex01/headers/color.h
similarity index 100%
rename from d04/ex01/color.h
rename to d04/ex01/headers/color.h
diff --git a/d04/ex01/Animal.cpp b/d04/ex01/srcs/Animal.cpp
similarity index 100%
rename from d04/ex01/Animal.cpp
rename to d04/ex01/srcs/Animal.cpp
diff --git a/d04/ex01/Brain.cpp b/d04/ex01/srcs/Brain.cpp
similarity index 100%
rename from d04/ex01/Brain.cpp
rename to d04/ex01/srcs/Brain.cpp
diff --git a/d04/ex01/Cat.cpp b/d04/ex01/srcs/Cat.cpp
similarity index 100%
rename from d04/ex01/Cat.cpp
rename to d04/ex01/srcs/Cat.cpp
diff --git a/d04/ex01/Dog.cpp b/d04/ex01/srcs/Dog.cpp
similarity index 100%
rename from d04/ex01/Dog.cpp
rename to d04/ex01/srcs/Dog.cpp
diff --git a/d04/ex01/test.cpp b/d04/ex01/test.cpp
deleted file mode 100644
index c7f9492..0000000
--- a/d04/ex01/test.cpp
+++ /dev/null
@@ -1,43 +0,0 @@
-#include <iostream>
-class A {
-public:
-	A &	operator=( A const & rhs ) {
-		std::cout << "A assignation operator\n";
-		_i = rhs._i;
-		return *this;}
-private:
-	int	_i;
-};
-
-class B {
-public:
-	B() {
-		std::cout << "B default constructor\n";
-		_a = new A();}
-	B( A *a ) {
-		std::cout << "B parameterized constructor\n";
-		_a = new A();
-		*_a = *a;}
-
-	~B() {
-		std::cout << "B destructor\n";
-		delete _a;}
-private:
-	A	*_a;
-};
-
-int	main() {
-	{
-		const B * b = new B();
-		delete b;
-	}
-	std::cout << "\n";
-	{
-		B * b;
-		A * a = new A();
-		b = new B(a);
-		delete a;
-		delete b;
-	}
-	return 0;
-}
diff --git a/d04/ex02/Makefile b/d04/ex02/Makefile
new file mode 100644
index 0000000..2265727
--- /dev/null
+++ b/d04/ex02/Makefile
@@ -0,0 +1,82 @@
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
+#               . name = value \          . += append to a variable   #
+#   VARIABLES   .        value            . != set result of command  #
+#               . name is case sensitive  . ?= set if not already set #
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
+
+NAME      = pure
+
+#TYPE      = c
+TYPE      = cpp
+
+ifeq "$(TYPE)" "c"
+  CC      = c
+  EXT     = c
+else ifeq "$(TYPE)" "cpp"
+  CC      = c++
+  EXT     = cpp
+endif
+
+CFLAGS    = -Wall -Wextra -Werror $(INCLUDES)
+ifeq "$(TYPE)" "cpp"
+  CFLAGS += -std=c++98
+endif
+
+VPATH     = $(D_SRCS)
+
+LIBS      =
+
+INCLUDES  = -I$(D_HEADERS)
+
+D_SRCS    = srcs
+SRCS      = main.cpp \
+			Animal.cpp \
+			Dog.cpp \
+			Cat.cpp \
+			Brain.cpp
+
+D_HEADERS = headers
+HEADERS   = Animal.hpp \
+			Dog.hpp \
+			Cat.hpp \
+			Brain.hpp
+
+D_OBJS    = builds
+OBJS      = $(SRCS:%.$(EXT)=$(D_OBJS)/%.o)
+
+ifeq "$(D_OBJS)" "."
+  RM_OBJS = rm -f $(OBJS)
+else
+  RM_OBJS = rm -rf $(D_OBJS)
+endif
+
+
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
+#             .   target: prerequisites   .   $@ : target             #
+#    RULES    .           recipe          .   $< : 1st prerequisite   #
+#             .           recipe          .   $^ : all prerequisites  #
+# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #
+
+all: $(NAME)
+
+$(D_OBJS)/%.o: %.$(EXT) | $(D_OBJS)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+$(D_OBJS):
+	mkdir $@
+
+$(OBJS): $(HEADERS:%=$(D_HEADERS)/%)
+
+$(NAME): $(OBJS)
+	$(CC) $(OBJS) -o $@ $(LIBS)
+
+clean:
+	$(RM_OBJS)
+
+fclean: clean
+	rm -f $(NAME)
+
+re: fclean all
+
+.PHONY : all clean fclean re
+
diff --git a/d04/ex02/headers/Animal.hpp b/d04/ex02/headers/Animal.hpp
new file mode 100644
index 0000000..d055205
--- /dev/null
+++ b/d04/ex02/headers/Animal.hpp
@@ -0,0 +1,27 @@
+#ifndef ANIMAL_HPP
+# define ANIMAL_HPP
+
+# include "color.h"
+#include <iostream>
+#include <string>
+
+class Animal {
+
+public:
+
+	Animal();
+	Animal( Animal const & src );
+	virtual ~Animal( void );
+	Animal &	operator=( Animal const & rhs );
+
+	virtual void	makeSound() const = 0;
+	std::string	getType() const;
+
+protected:
+
+	std::string	type;
+
+};
+
+#endif
+
diff --git a/d04/ex02/headers/Brain.hpp b/d04/ex02/headers/Brain.hpp
new file mode 100644
index 0000000..e7b699d
--- /dev/null
+++ b/d04/ex02/headers/Brain.hpp
@@ -0,0 +1,30 @@
+#ifndef BRAIN_HPP
+# define BRAIN_HPP
+
+#include "color.h"
+#include <iostream>
+#include <string>
+
+#define SIZE_IDEAS 100
+
+class Brain {
+
+public:
+
+	Brain( void );
+	Brain( Brain const & src );
+	~Brain( void );
+	Brain &	operator=( Brain const & rhs );
+
+	void	printIdea(int pos);
+	void	putIdea(int pos, std::string idea);
+	void	printIdeas();
+	void	putIdeas(std::string idea);
+
+private:
+
+	std::string	_ideas[SIZE_IDEAS];
+};
+
+#endif
+
diff --git a/d04/ex02/headers/Cat.hpp b/d04/ex02/headers/Cat.hpp
new file mode 100644
index 0000000..ba516e2
--- /dev/null
+++ b/d04/ex02/headers/Cat.hpp
@@ -0,0 +1,34 @@
+#ifndef CAT_HPP
+# define CAT_HPP
+
+# include "color.h"
+# include <iostream>
+# include <string>
+
+# include "Animal.hpp"
+# include "Brain.hpp"
+
+class Cat : public Animal {
+
+public:
+
+	Cat();
+	Cat( Brain *brain );
+//	Cat( Brain *brain = new Brain() );
+	Cat( Cat const & src );
+	~Cat();
+	Cat &	operator=( Cat const & rhs );
+
+	void	makeSound() const;
+
+	void	printBrain() const;
+	void	printBrain(int pos) const;
+
+private:
+
+	Brain	*_brain;
+
+};
+
+#endif
+
diff --git a/d04/ex02/headers/Dog.hpp b/d04/ex02/headers/Dog.hpp
new file mode 100644
index 0000000..17617cd
--- /dev/null
+++ b/d04/ex02/headers/Dog.hpp
@@ -0,0 +1,30 @@
+#ifndef DOG_HPP
+# define DOG_HPP
+
+# include "color.h"
+# include <iostream>
+# include <string>
+
+# include "Animal.hpp"
+# include "Brain.hpp"
+
+class Dog : public Animal {
+
+public:
+
+	Dog();
+	Dog( Brain *brain );
+	Dog( Dog const & src );
+	~Dog();
+	Dog &	operator=( Dog const & rhs );
+
+	void	makeSound() const;
+
+private:
+
+	Brain	*_brain;
+
+};
+
+#endif
+
diff --git a/d04/ex02/headers/color.h b/d04/ex02/headers/color.h
new file mode 100644
index 0000000..e313f5f
--- /dev/null
+++ b/d04/ex02/headers/color.h
@@ -0,0 +1,24 @@
+#ifndef COLOR_H
+# define COLOR_H
+
+# define GRAY "\e[0;30m"
+# define RED "\e[0;31m"
+# define GREEN "\e[0;32m"
+# define YELLOW "\e[0;33m"
+# define BLUE "\e[0;34m"
+# define PURPLE "\e[0;35m"
+# define CYAN "\e[0;36m"
+# define WHITE "\e[0;37m"
+
+# define B_GRAY "\e[1;30m"
+# define B_RED "\e[1;31m"
+# define B_GREEN "\e[1;32m"
+# define B_YELLOW "\e[1;33m"
+# define B_BLUE "\e[1;34m"
+# define B_PURPLE "\e[1;35m"
+# define B_CYAN "\e[1;36m"
+# define B_WHITE "\e[1;37m"
+
+# define RESET "\e[0m"
+
+#endif
diff --git a/d04/ex02/main.cpp b/d04/ex02/main.cpp
new file mode 100644
index 0000000..5166e80
--- /dev/null
+++ b/d04/ex02/main.cpp
@@ -0,0 +1,123 @@
+#include "Animal.hpp"
+#include "Dog.hpp"
+#include "Cat.hpp"
+
+#include <iostream>
+#include <string>
+
+#include "color.h"
+#define N_TEST "7"
+
+int	main() {
+	std::cout << B_YELLOW "\n[1/" N_TEST "] test subject :" RESET "\n";
+	{
+		const Animal* j = new Dog();
+		const Animal* i = new Cat();
+		delete j;//should not create a leak
+		delete i;
+	}
+
+	std::cout << B_YELLOW "\n[2/" N_TEST "] test with brain :" RESET "\n";
+	{
+		Dog *	dog;
+		Cat *	cat1;
+		Cat		cat2;
+		Brain *	brain1 = new Brain();
+		Brain *	brain2 = new Brain();
+
+			std::cout << B_BLUE "fill brain1 with \"giraffe\" :" RESET "\n";
+		brain1->putIdeas("giraffe");
+			std::cout << B_BLUE "print brain1 :" RESET "\n";
+		brain1->printIdeas();
+			std::cout << B_BLUE "print brain2 :" RESET "\n";
+		brain2->printIdeas();
+			std::cout << B_BLUE "brain2 copy brain1 :" RESET "\n";
+		*brain2 = *brain1;
+			std::cout << B_BLUE "fill brain1 with \"hippopotamus\" :" RESET "\n";
+		brain1->putIdeas("hippopotamus");
+			std::cout << B_BLUE "print brain1 :" RESET "\n";
+		brain1->printIdeas();
+			std::cout << B_BLUE "print brain2 :" RESET "\n";
+		brain2->printIdeas();
+
+			std::cout << B_BLUE "create new dog with brain1 :" RESET "\n";
+		dog = new Dog(brain1);
+			std::cout << B_BLUE "create new cat with brain1 :" RESET "\n";
+		cat1 = new Cat(brain1);
+			std::cout << B_BLUE "cat2 copy cat1 :" RESET "\n";
+		cat2 = *cat1;
+
+			std::cout << B_BLUE "fill brain1 with \"zebra\" :" RESET "\n";
+		brain1->putIdeas("zebra");
+			std::cout << B_BLUE "print cat1 :" RESET "\n";
+		cat1->printBrain();
+			std::cout << B_BLUE "print cat2 :" RESET "\n";
+		cat2.printBrain();
+
+			std::cout << B_BLUE "delete dog :" RESET "\n";
+		delete dog;
+			std::cout << B_BLUE "delete cat1 :" RESET "\n";
+		delete cat1;
+			std::cout << B_BLUE "delete brain1 :" RESET "\n";
+		delete brain1;
+			std::cout << B_BLUE "delete brain2 :" RESET "\n";
+		delete brain2;
+	}
+
+	std::cout << B_YELLOW "\n[3/" N_TEST "] array animal test :" RESET "\n";
+	{
+		Animal	*animals[10];
+		int		i;
+
+		for (i = 0 ; i < 5 ; ++i)
+			animals[i] = new Cat();
+		for ( ; i < 10 ; ++i)
+			animals[i] = new Dog();
+		for (i = 0 ; i < 10 ; ++i)
+			animals[i]->makeSound();
+		for (i = 0 ; i < 10 ; ++i)
+			delete animals[i];
+	}
+
+	std::cout << B_YELLOW "\n[4/" N_TEST "] copy constructor test1/2 :" RESET "\n";
+	{
+		std::cout << B_BLUE "Cat a_cat :" RESET "\n";
+		Cat	a_cat;
+		std::cout << B_BLUE "Cat a_cpy_cat(a_cat) :" RESET "\n";
+		Cat	a_cpy_cat(a_cat);
+	}
+
+	std::cout << B_YELLOW "\n[5/" N_TEST "] copy constructor test2/2 :" RESET "\n";
+	{
+		std::cout << B_BLUE "Cat a_cat :" RESET "\n";
+		Cat	a_cat;
+		std::cout << B_BLUE "Cat a_cpy_cat = a_cat :" RESET "\n";
+		Cat	a_cpy_cat = a_cat;
+	}
+
+	std::cout << B_YELLOW "\n[6/" N_TEST "] assignation operator test1 :" RESET "\n";
+	{
+		std::cout << B_BLUE "Cat a_cat :" RESET "\n";
+		Cat	a_cat;
+		std::cout << B_BLUE "Cat a_cpy_cat :" RESET "\n";
+		Cat	a_cpy_cat;
+		std::cout << B_BLUE "a_cpy_cat = a_cat :" RESET "\n";
+		a_cpy_cat = a_cat;
+	}
+
+	std::cout << B_YELLOW "\n[7/" N_TEST "] assignation operator test2 :" RESET "\n";
+	{
+		std::cout << B_BLUE "const Cat *a_cat :" RESET "\n";
+		const Cat *a_cat = new Cat();
+		std::cout << B_BLUE "Cat a_cpy_cat :" RESET "\n";
+		Cat	a_cpy_cat;
+		std::cout << B_BLUE "a_cpy_cat = *a_cat :" RESET "\n";
+		a_cpy_cat = *a_cat;
+
+		delete a_cat;
+	}
+
+
+	return 0;
+}
+
diff --git a/d04/ex02/srcs/Animal.cpp b/d04/ex02/srcs/Animal.cpp
new file mode 100644
index 0000000..e773c87
--- /dev/null
+++ b/d04/ex02/srcs/Animal.cpp
@@ -0,0 +1,42 @@
+#include "Animal.hpp"
+
+#define COPLIEN_COLOR B_CYAN
+
+/*********************************************
+ * CONSTRUCTORS
+ *********************************************/
+
+Animal::Animal() {
+	std::cout << COPLIEN_COLOR "Animal constructor" RESET "\n";
+	type = "animal";
+	return;
+}
+
+Animal::Animal( Animal const & src ) {
+	std::cout << COPLIEN_COLOR "Animal copy constructor" RESET "\n";
+	*this = src;
+	return;
+}
+
+/*********************************************
+ * DESTRUCTORS
+ *********************************************/
+
+Animal::~Animal() {
+	std::cout << COPLIEN_COLOR "Animal destructor" RESET "\n";
+	return;
+}
+
+/*********************************************
+ * OPERATORS
+ *********************************************/
+
+Animal &	Animal::operator=( Animal const & rhs ) {
+	std::cout << COPLIEN_COLOR "Animal assignator" RESET "\n";
+	if ( this != &rhs )
+		type = rhs.getType();
+	return *this;
+}
+
+std::string	Animal::getType() const {return type;}
+
diff --git a/d04/ex02/srcs/Brain.cpp b/d04/ex02/srcs/Brain.cpp
new file mode 100644
index 0000000..bd3543e
--- /dev/null
+++ b/d04/ex02/srcs/Brain.cpp
@@ -0,0 +1,65 @@
+#include "Brain.hpp"
+
+#define COPLIEN_COLOR B_CYAN
+
+/*********************************************
+ * CONSTRUCTORS
+ *********************************************/
+
+Brain::Brain() {
+	std::cout << COPLIEN_COLOR "Brain constructor" RESET "\n";
+	return;
+}
+
+Brain::Brain( Brain const & src ) {
+	std::cout << COPLIEN_COLOR "Brain copy constructor" RESET "\n";
+	*this = src;
+	return;
+}
+
+/*********************************************
+ * DESTRUCTORS
+ *********************************************/
+
+Brain::~Brain() {
+	std::cout << COPLIEN_COLOR "Brain destructor" RESET "\n";
+	return;
+}
+
+/*********************************************
+ * OPERATORS
+ *********************************************/
+
+Brain &	Brain::operator=( Brain const & rhs ) {
+	std::cout << COPLIEN_COLOR "Brain assignator" RESET "\n";
+	if ( this != &rhs )
+		for (int i = 0; i < SIZE_IDEAS; i++)
+			_ideas[i] = rhs._ideas[i];
+	return *this;
+}
+
+/*********************************************
+ * ACCESSORS
+ *********************************************/
+
+void	Brain::printIdea(int pos) {
+	if (pos < SIZE_IDEAS)
+		std::cout << _ideas[pos] << "\n";
+}
+
+void	Brain::putIdea(int pos, std::string idea) {
+	if (pos < SIZE_IDEAS)
+		_ideas[pos] = idea;
+}
+
+void	Brain::printIdeas() {
+	for (int i = 0; i < SIZE_IDEAS; i++)
+		std::cout << _ideas[i] << " - ";
+	std::cout << "\n";
+}
+
+void	Brain::putIdeas(std::string idea) {
+	for (int i = 0; i < SIZE_IDEAS; i++)
+		_ideas[i] = idea;
+}
+
diff --git a/d04/ex02/srcs/Cat.cpp b/d04/ex02/srcs/Cat.cpp
new file mode 100644
index 0000000..b9a3ace
--- /dev/null
+++ b/d04/ex02/srcs/Cat.cpp
@@ -0,0 +1,73 @@
+#include "Cat.hpp"
+
+#define COPLIEN_COLOR B_CYAN
+
+/*********************************************
+ * CONSTRUCTORS
+ *********************************************/
+
+/*
+ * default arguments in default constructor : https://stackoverflow.com/questions/187640/default-parameters-with-c-constructors
+ * in this cas it doesn't work i think, since both constructors don't act exactly the same
+ */
+Cat::Cat() {
+	std::cout << COPLIEN_COLOR "Cat default constructor" RESET "\n";
+	type = "cat";
+	_brain = new Brain();
+	return;
+}
+Cat::Cat( Brain * brain ) {
+	std::cout << COPLIEN_COLOR "Cat parameters constructor" RESET "\n";
+	type = "cat";
+	_brain = new Brain();
+	*_brain = *brain;
+	return;
+}
+
+/*
+ * error: base class ‘class Animal’ should be explicitly initialized in the copy constructor [-Werror=extra]
+ * Cat::Cat( Cat const & src ) {
+ * ^~~
+ * answer : https://stackoverflow.com/questions/43612772/base-class-class-a-should-be-explicitly-initialized-in-the-copy-constructor
+ */
+Cat::Cat( Cat const & src ) : Animal(src) {
+	std::cout << COPLIEN_COLOR "Cat copy constructor" RESET "\n";
+	_brain = new Brain();
+	*this = src;
+	return;
+}
+
+/*********************************************
+ * DESTRUCTORS
+ *********************************************/
+
+Cat::~Cat() {
+	std::cout << COPLIEN_COLOR "Cat destructor" RESET "\n";
+	delete _brain;
+	return;
+}
+
+/*********************************************
+ * OPERATORS
+ *********************************************/
+
+Cat &	Cat::operator=( Cat const & rhs ) {
+	std::cout << COPLIEN_COLOR "Cat assignator" RESET "\n";
+	Animal::operator=(rhs);
+	*_brain = *rhs._brain;
+	return *this;
+}
+
+/*********************************************
+ * PUBLIC MEMBER FUNCTIONS
+ *********************************************/
+
+void	Cat::makeSound() const {
+	std::cout << "*miaow*\n";
+}
+void	Cat::printBrain() const {
+	_brain->printIdeas();
+}
+void	Cat::printBrain(int pos) const {
+	_brain->printIdea(pos);
+}
diff --git a/d04/ex02/srcs/Dog.cpp b/d04/ex02/srcs/Dog.cpp
new file mode 100644
index 0000000..f6f1cdb
--- /dev/null
+++ b/d04/ex02/srcs/Dog.cpp
@@ -0,0 +1,65 @@
+#include "Dog.hpp"
+
+#define COPLIEN_COLOR B_CYAN
+
+/*********************************************
+ * CONSTRUCTORS
+ *********************************************/
+
+Dog::Dog() {
+	std::cout << COPLIEN_COLOR "Dog constructor" RESET "\n";
+	type = "dog";
+	_brain = new Brain();
+	return;
+}
+
+Dog::Dog( Brain *brain ) {
+	std::cout << COPLIEN_COLOR "Dog constructor" RESET "\n";
+	type = "dog";
+	_brain = new Brain();
+	*_brain = *brain;
+	return;
+}
+
+/*
+error: base class ‘class Animal’ should be explicitly initialized in the copy constructor [-Werror=extra]
+Dog::Dog( Dog const & src ) {
+^~~
+answer : https://stackoverflow.com/questions/43612772/base-class-class-a-should-be-explicitly-initialized-in-the-copy-constructor
+*/
+Dog::Dog( Dog const & src ) : Animal() {
+	std::cout << COPLIEN_COLOR "Dog copy constructor" RESET "\n";
+	*this = src;
+	return;
+}
+
+/*********************************************
+ * DESTRUCTORS
+ *********************************************/
+
+Dog::~Dog() {
+	std::cout << COPLIEN_COLOR "Dog destructor" RESET "\n";
+	delete _brain;
+	return;
+}
+
+/*********************************************
+ * OPERATORS
+ *********************************************/
+
+Dog &	Dog::operator=( Dog const & rhs ) {
+	Animal::operator=(rhs);
+	_brain = new Brain();
+	if (this != &rhs)
+		_brain = rhs._brain;
+	return *this;
+}
+
+/*********************************************
+ * PUBLIC MEMBER FUNCTIONS
+ *********************************************/
+
+void	Dog::makeSound() const {
+	std::cout << "*woof*\n";
+}
+
diff --git a/d04/ex00/fr.subject.pdf b/d04/fr.subject.pdf
similarity index 100%
rename from d04/ex00/fr.subject.pdf
rename to d04/fr.subject.pdf