diff --git a/2201/220122-CN.cpp b/2201/220122-CN.cpp
new file mode 100644
index 0000000..d7400b6
--- /dev/null
+++ b/2201/220122-CN.cpp
@@ -0,0 +1,16 @@
+#include <string>
+#include <iostream>
+
+class Solution {
+public:
+	static int removePalindromeSub(const std::string& s) {
+		auto r = s;
+		std::reverse(r.begin(), r.end());
+		return 1 + (!(s == r) && std::count_if(s.begin(), s.end(), [&](char c) { return c == (s[0] ^ 3); }) ? 1 : 0);
+	}
+};
+
+int main() {
+	std::cout << Solution::removePalindromeSub("abaaba");
+	return 0;
+}
diff --git a/2201/CMakeLists.txt b/2201/CMakeLists.txt
index c1873c4..69d315f 100644
--- a/2201/CMakeLists.txt
+++ b/2201/CMakeLists.txt
@@ -3,4 +3,4 @@ PROJECT(2201)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2201 220121.cpp)
+ADD_EXECUTABLE(2201 220122-CN.cpp)