diff --git a/ex01/Makefile b/ex01/Makefile
new file mode 100644
index 0000000..9455d85
--- /dev/null
+++ b/ex01/Makefile
@@ -0,0 +1,27 @@
+CXX = c++
+CXXFLAGS = -std=c++98 -Wall -Wextra -Werror -g
+SRCDIR = src
+INCDIR = include
+OBJDIR = obj
+BINDIR = bin
+EXECUTABLE = contacts
+
+SRCS = $(wildcard $(SRCDIR)/*.cpp)
+OBJS = $(patsubst $(SRCDIR)/%.cpp,$(OBJDIR)/%.o,$(SRCS))
+INCS = -I$(INCDIR)
+
+all: $(BINDIR)/$(EXECUTABLE)
+
+$(OBJDIR)/%.o: $(SRCDIR)/%.cpp
+	$(CXX) $(CXXFLAGS) $(INCS) -c $< -o $@
+
+$(BINDIR)/$(EXECUTABLE): $(OBJS)
+	$(CXX) $(CXXFLAGS) $^ -o $@
+
+clean:
+	rm -rf $(OBJDIR)/*.o
+
+fclean: clean
+	rm -fr $(BINDIR)/$(EXECUTABLE)
+
+re: fclean $(BINDIR)/$(EXECUTABLE)
diff --git a/ex01/include/Contact.hpp b/ex01/include/Contact.hpp
new file mode 100644
index 0000000..df3392a
--- /dev/null
+++ b/ex01/include/Contact.hpp
@@ -0,0 +1,17 @@
+#include <string>
+#include <iostream>
+
+class Contact {
+	private:
+		std::string first_name;
+		std::string last_name;
+		std::string nickname;
+		std::string phone_number;
+		std::string darkest_secret;
+	
+	public:
+		Contact(std::string first_name, std::string last_name, std::string nickname, std::string phone_number, std::string darkest_secret);
+
+		std::string		to_string_partial() const;
+		std::string		to_string_complete() const;
+};
diff --git a/ex01/include/PhoneBook.hpp b/ex01/include/PhoneBook.hpp
new file mode 100644
index 0000000..6782f01
--- /dev/null
+++ b/ex01/include/PhoneBook.hpp
@@ -0,0 +1,17 @@
+#include "Contact.hpp"
+#include <cstddef>
+
+class PhoneBook {
+	private:
+		Contact	*contacts[8];
+
+	public:
+		size_t		len;
+		
+		PhoneBook();
+		~PhoneBook();
+		
+		void		add_contact(Contact *new_contact);
+		void		display_contacts();
+		Contact*	search(int index);
+};
diff --git a/ex01/include/utils.hpp b/ex01/include/utils.hpp
new file mode 100644
index 0000000..aabb5da
--- /dev/null
+++ b/ex01/include/utils.hpp
@@ -0,0 +1,3 @@
+#include <string>
+
+std::string	truncated(const std::string str);
diff --git a/ex01/src/Contact.cpp b/ex01/src/Contact.cpp
new file mode 100644
index 0000000..eac2a41
--- /dev/null
+++ b/ex01/src/Contact.cpp
@@ -0,0 +1,54 @@
+#include <ios>
+#include <ostream>
+#include <sstream>
+#include <string>
+#include <iostream>
+#include <iomanip>
+#include "../include/Contact.hpp"
+#include "../include/utils.hpp"
+
+Contact::Contact(std::string first_name, std::string last_name, std::string nickname, std::string phone_number, std::string darkest_secret)
+{
+	this->first_name = std::string(first_name);
+	this->last_name = std::string(last_name);
+	this->nickname = std::string(nickname);
+	this->phone_number = std::string(phone_number);
+	this->darkest_secret = std::string(darkest_secret);
+}
+
+std::string Contact::to_string_partial() const
+{
+	std::stringstream	ss;
+	std::string			short_first_name;
+	std::string			short_last_name;
+	std::string			short_nickname;
+	std::string			short_phone_number;
+	std::string			short_darkest_secret;
+
+	short_first_name = truncated(this->first_name);
+	short_last_name = truncated(this->last_name);
+	short_nickname = truncated(this->nickname);
+	short_phone_number = truncated(this->phone_number);
+	short_darkest_secret = truncated(this->darkest_secret);
+
+	ss << std::setw(10) << short_first_name << "|"
+		<< std::setw(10) << short_last_name << "|"
+		<< std::setw(10) << short_nickname << "|"
+		<< std::setw(10) << short_phone_number << "|"
+		<< std::setw(10) << short_darkest_secret;
+
+	return(ss.str());
+}
+
+std::string Contact::to_string_complete() const
+{
+	std::stringstream	ss;
+
+	ss << std::setw(10) << this->first_name << "|"
+		<< std::setw(10) << this->last_name << "|"
+		<< std::setw(10) << this->nickname << "|"
+		<< std::setw(10) << this->phone_number << "|"
+		<< std::setw(10) << this->darkest_secret << "|";
+
+	return(ss.str());
+}
diff --git a/ex01/src/PhoneBook.cpp b/ex01/src/PhoneBook.cpp
new file mode 100644
index 0000000..838b38c
--- /dev/null
+++ b/ex01/src/PhoneBook.cpp
@@ -0,0 +1,66 @@
+#include "../include/PhoneBook.hpp"
+#include <cstddef>
+#include <iomanip>
+#include <iostream>
+#include <sstream>
+#include <string>
+
+PhoneBook::PhoneBook()
+{
+	this->len = 0;
+}
+
+PhoneBook::~PhoneBook()
+{
+	for (size_t i = 0; i < this->len; i++)
+		delete this->contacts[i];
+}
+
+void	PhoneBook::add_contact(Contact *new_contact)
+{
+	size_t	i;
+
+	if (this->len < 8)
+	{
+		this->contacts[this->len] = new_contact;
+		this->len++;
+	}
+	else
+	{
+		for (i = this->len; i != 0; i--) {
+			this->contacts[i] = this->contacts[i - 1];
+		}
+		this->contacts[0] = new_contact;
+	}
+}
+
+
+void PhoneBook::display_contacts()
+{
+	size_t				i;
+
+	std::cout 
+	<< "     index|"
+	<< "first name|"
+	<< "last name |"
+	<< "nickname  |"
+	<< "phone num.|"
+	<< "darkest s."
+	<< std::endl;
+
+	for (i = 0; i < this->len; i++)
+	{
+		std::cout
+		<< std::setw(10) << i
+		<< "|"
+		<< this->contacts[i]->to_string_partial()
+		<< std::endl;
+	}
+}
+
+Contact* PhoneBook::search(int index)
+{
+	if ((size_t) index > this->len || index < 0)
+		return (NULL);
+	return (this->contacts[index]);
+}
diff --git a/ex01/src/main.cpp b/ex01/src/main.cpp
new file mode 100644
index 0000000..9072da9
--- /dev/null
+++ b/ex01/src/main.cpp
@@ -0,0 +1,96 @@
+#include <cstddef>
+#include <cstdio>
+#include <cstdlib>
+#include <iostream>
+#include  <bits/stdc++.h>
+#include <sstream>
+#include <string>
+#include "../include/PhoneBook.hpp"
+
+int get_input(std::string &in, std::string out)
+{
+	while (in.size() == 0)
+	{
+		std::cout << out;
+		if (!std::getline(std::cin, in))
+			return (1);
+	}
+	return (0);
+}
+
+Contact* read_contact()
+{
+	std::string	first_name;
+	std::string	last_name;
+	std::string	nickname;
+	std::string	phone_number;
+	std::string	darkest_secret;
+
+	if (get_input(first_name, "first_name: ")
+			|| get_input(last_name, "last_name: ")
+			|| get_input(nickname, "nickname: ")
+			|| get_input(phone_number, "phone_number: ")
+			|| get_input(darkest_secret, "darkest_secret: "))
+		return (NULL);
+
+	return (new Contact(first_name, last_name, nickname, phone_number, darkest_secret));
+
+}
+
+Contact*	search(PhoneBook phone_book)
+{
+	int				index;
+	std::string		index_str;
+	Contact*		contact;
+
+	contact = NULL;
+	while (contact == NULL)
+	{
+		if (get_input(index_str, "index: "))
+			return (NULL);
+		index = std::atoi(index_str.c_str());
+		contact = phone_book.search(index);
+	}
+	return (contact);
+}
+
+int	main()
+{
+	std::string			command;
+	Contact*			contact;
+	PhoneBook			phone_book;
+
+	phone_book = PhoneBook();
+	while (true)
+	{
+		std::cout << "command: ";
+		if (!std::getline(std::cin, command))
+			return (0);
+		if (command == "ADD")
+		{
+			contact = read_contact();
+			if (contact == NULL)
+				return (0);
+			phone_book.add_contact(contact);
+		}
+		else if (command == "SEARCH")
+		{
+			phone_book.display_contacts();
+			if (phone_book.len > 0)
+			{
+				contact = search(phone_book);
+				if (contact == NULL)
+					return (0);
+				std::cout << contact->to_string_complete() << std::endl;
+			}
+		}
+		else if (command == "EXIT")
+		{
+			return (0);
+		}
+		else {
+			std::cerr << "Command not found" << std::endl;
+		}
+	}
+	return (0);
+}
diff --git a/ex01/src/utils.cpp b/ex01/src/utils.cpp
new file mode 100644
index 0000000..9117ab3
--- /dev/null
+++ b/ex01/src/utils.cpp
@@ -0,0 +1,11 @@
+#include <string>
+
+std::string truncated(const std::string str)
+{
+	std::string out;
+
+	out = str.substr(0, 10);
+	if (str.length() > 10)
+		(out)[9] = '.';
+	return (out);
+}