diff --git a/cpp09/ex02/PmergeMe.hpp b/cpp09/ex02/PmergeMe.hpp
index 98cfdd3..100a276 100644
--- a/cpp09/ex02/PmergeMe.hpp
+++ b/cpp09/ex02/PmergeMe.hpp
@@ -34,6 +34,62 @@
 #define CLR_GOLD "\033[38;5;220m"
 #define CLR_GREY "\033[38;5;240m"
 
+template <typename t>
+typename t::iterator binaryInsert(t& container, int value) {
+	typename t::iterator it = std::lower_bound(container.begin(), container.end(), value);
+	container.insert(it, value);
+	return it;
+}
+
+template <typename t>
+void print_container(t& container, bool sorted) {
+	std::cout << std::endl << CLR_YELLOW << (sorted ? "Before: " : "After: ");
+	for (size_t i = 0; i < container.size(); ++i) {
+		std::cout << CLR_GOLD << container[i] << " ";
+	}
+	std::cout << CLR_RESET << std::endl;
+}
+
+template <typename t>
+void FordJohnson(t &container) {
+	if (container.size() < 2)
+		return;
+	t main;
+	t tmp;
+
+	for (size_t i = 0; i + 1 < container.size(); i += 2) {
+		int a = container[i];
+		int b = container[i + 1];
+		if (a > b)
+			std::swap(a, b);
+		main.push_back(b);
+		tmp.push_back(a);
+	}
+	if (container.size() % 2 != 0) {
+		tmp.push_back(container.back());
+	}
+	std::sort(main.begin(), main.end());
+	for (size_t i = 0; i < tmp.size(); ++i) {
+		binaryInsert(main, tmp[i]);
+	}
+	container = main;
+}
+
+template <typename t>
+t convert(int argc, char **argv) {
+	t container;
+	for (size_t i = 1 ; i < static_cast<size_t>(argc); i++) {
+		errno = 0;
+		int value = std::strtol(argv[i], 0, 10);
+		if (errno == ERANGE || value < 0) {
+			std::cerr << CLR_RED << "Error: I don't accept number over INT_MAX" << CLR_RESET << std::endl;
+			std::exit(1);
+		}
+		container.push_back(value);
+	}
+	return container;
+}
+
 #ifndef DEBUG
 #define DEBUG 0
 #endif