diff --git a/2201/220130.cpp b/2201/220130.cpp
new file mode 100644
index 0000000..2d61a69
--- /dev/null
+++ b/2201/220130.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+#include <vector>
+
+class Solution {
+public:
+	static void rotate(std::vector<int>& nums, int k) {
+		k %= nums.size();
+		std::vector<int> ret(nums.end() - k, nums.end());
+		ret.insert(ret.end(), nums.begin(), nums.end() - k);
+		nums = ret;
+	}
+};
+
+int main() {
+	std::vector<int> arg {1,2,3};
+	Solution::rotate(arg, 1);
+	return 0;
+}
\ No newline at end of file
diff --git a/2201/CMakeLists.txt b/2201/CMakeLists.txt
index e2c7021..bdd82be 100644
--- a/2201/CMakeLists.txt
+++ b/2201/CMakeLists.txt
@@ -3,4 +3,4 @@ PROJECT(2201)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2201 220129-CN.cpp)
+ADD_EXECUTABLE(2201 220130.cpp)