diff --git a/cpp/2206/220613-CN.cpp b/cpp/2206/220613-CN.cpp
new file mode 100644
index 0000000..65125c0
--- /dev/null
+++ b/cpp/2206/220613-CN.cpp
@@ -0,0 +1,14 @@
+#include <vector>
+#include <algorithm>
+
+class Solution {
+public:
+	static int heightChecker(const std::vector<int>& h) {
+		auto x = h;
+		std::stable_sort(x.begin(), x.end());
+		int ret = 0;
+		for (int i = 0; i < x.size(); ++i)
+			ret += (x[i] != h[i]);
+		return ret;
+	}
+};
diff --git a/cpp/2206/CMakeLists.txt b/cpp/2206/CMakeLists.txt
index 9e8f7b2..09d14d6 100644
--- a/cpp/2206/CMakeLists.txt
+++ b/cpp/2206/CMakeLists.txt
@@ -3,4 +3,4 @@ PROJECT(2206)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2206 220612.cpp)
+ADD_EXECUTABLE(2206 220613-CN.cpp)