diff --git a/2201/220128-CN.cpp b/2201/220128-CN.cpp
new file mode 100644
index 0000000..d8c7533
--- /dev/null
+++ b/2201/220128-CN.cpp
@@ -0,0 +1,24 @@
+#include <vector>
+#include <iostream>
+
+class Solution {
+public:
+	static int numberOfWeakCharacters(std::vector<std::vector<int>>& properties) {
+		std::sort(properties.begin(), properties.end(), [](const std::vector<int>& x, const std::vector<int>& y) {
+			if (x[0] - y[0])
+				return x[0] > y[0];
+			return x[1] < y[1];
+		});
+		int ret = 0, max = -1;
+		for (const auto& i : properties)
+			if ((max = std::max(i[1], max)) > i[1])
+				++ret;
+		return ret;
+	}
+};
+
+int main() {
+	std::vector<std::vector<int>> args = {{1,1},{2,1},{2,2},{1,2}};
+	std::cout << Solution::numberOfWeakCharacters(args);
+	return 0;
+}
diff --git a/2201/CMakeLists.txt b/2201/CMakeLists.txt
index b773bae..8431c7a 100644
--- a/2201/CMakeLists.txt
+++ b/2201/CMakeLists.txt
@@ -3,4 +3,4 @@ PROJECT(2201)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2201 220127.cpp)
+ADD_EXECUTABLE(2201 220128-CN.cpp)