diff --git a/homework4/BiTree.cpp b/homework4/BiTree.cpp
new file mode 100644
index 0000000..11f1f34
--- /dev/null
+++ b/homework4/BiTree.cpp
@@ -0,0 +1 @@
+#include "BiTree.h"
diff --git a/homework4/BiTree.h b/homework4/BiTree.h
new file mode 100644
index 0000000..b63eb58
--- /dev/null
+++ b/homework4/BiTree.h
@@ -0,0 +1,12 @@
+#ifndef BITREE_H
+#define BITREE_H
+
+
+
+class BiTree {
+
+};
+
+
+
+#endif //BITREE_H
diff --git a/homework4/CMakeLists.txt b/homework4/CMakeLists.txt
new file mode 100644
index 0000000..8d9ddca
--- /dev/null
+++ b/homework4/CMakeLists.txt
@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.29)
+project(homework4)
+
+set(CMAKE_CXX_STANDARD 20)
+
+add_executable(test1 test1.cpp
+        BiTree.cpp
+        BiTree.h)
diff --git a/homework4/test1.cpp b/homework4/test1.cpp
new file mode 100644
index 0000000..e69de29