diff --git a/cpp/2203/220314-CN.cpp b/cpp/2203/220314-CN.cpp
new file mode 100644
index 0000000..715e7a5
--- /dev/null
+++ b/cpp/2203/220314-CN.cpp
@@ -0,0 +1,31 @@
+#include <vector>
+#include <string>
+#include <unordered_map>
+
+class Solution {
+public:
+	static std::vector<std::string> findRestaurant(const std::vector<std::string>& list1, const std::vector<std::string>& list2) {
+		std::unordered_map<std::string, int> map;
+
+		int m = list1.size(), n = list2.size();
+		for (int i = 0; i < m; ++i) {
+			map[list1[i]] = i;
+		}
+
+		int retMin = 0x7FFFFFFF;
+		std::vector<std::string> ret;
+		for (int i = 0; i < n; ++i) {
+			if (map.count(list2[i])) {
+				int x = i + map[list2[i]];
+				if (x < retMin) {
+					ret = {list2[i]};
+					retMin = x;
+				} else if (x == retMin) {
+					ret.push_back(list2[i]);
+				}
+			}
+		}
+
+		return ret;
+	}
+};
diff --git a/cpp/2203/CMakeLists.txt b/cpp/2203/CMakeLists.txt
index fa77a8d..3850239 100644
--- a/cpp/2203/CMakeLists.txt
+++ b/cpp/2203/CMakeLists.txt
@@ -3,4 +3,4 @@ PROJECT(2203)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2203 220313-CN.cpp)
+ADD_EXECUTABLE(2203 220314-CN.cpp)