diff --git a/homework5/CMakeLists.txt b/homework5/CMakeLists.txt
new file mode 100644
index 0000000..63bbd65
--- /dev/null
+++ b/homework5/CMakeLists.txt
@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.30)
+project(homework5)
+
+set(CMAKE_CXX_STANDARD 20)
+
+add_executable(test1 test1.cpp)
diff --git a/homework5/test1.cpp b/homework5/test1.cpp
new file mode 100644
index 0000000..b96e94a
--- /dev/null
+++ b/homework5/test1.cpp
@@ -0,0 +1,3 @@
+//
+// Created by 31416 on 24-12-4.
+//