diff --git a/cpp/2305/230501.cpp b/cpp/2305/230501.cpp
new file mode 100644
index 0000000..04a3dbe
--- /dev/null
+++ b/cpp/2305/230501.cpp
@@ -0,0 +1,23 @@
+#include <algorithm>
+#include <numeric>
+#include <vector>
+
+/**
+ * 1491. Average Salary Excluding the Minimum and Maximum Salary
+ *
+ * You are given an array of unique integers salary where salary[i] is the salary of the ith employee.
+ * Return the average salary of employees excluding the minimum and maximum salary. Answers within 1e-5 of the actual answer will be accepted.
+ */
+
+class Solution {
+public:
+	static inline double average(const std::vector<int>&) noexcept;
+};
+
+inline double Solution::average(const std::vector<int>& salary) noexcept {
+	return (
+		std::reduce(salary.begin(), salary.end(), 0.0) -
+		*std::min_element(salary.begin(), salary.end()) -
+		*std::max_element(salary.begin(), salary.end())
+	) / (salary.size() - 2);
+}
diff --git a/cpp/2305/CMakeLists.txt b/cpp/2305/CMakeLists.txt
index 76ef743..dd1a6be 100644
--- a/cpp/2305/CMakeLists.txt
+++ b/cpp/2305/CMakeLists.txt
@@ -4,4 +4,4 @@ PROJECT(2305)
 SET(CMAKE_CXX_STANDARD 23)
 SET(CMAKE_EXPORT_COMPILE_COMMANDS true)
 
-ADD_EXECUTABLE(2305 230501-CN.cpp)
+ADD_EXECUTABLE(2305 230501.cpp)