diff --git a/cpp/2202/220226-CN.cpp b/cpp/2202/220226-CN.cpp
new file mode 100644
index 0000000..780bd32
--- /dev/null
+++ b/cpp/2202/220226-CN.cpp
@@ -0,0 +1,27 @@
+#include <vector>
+
+/**
+ * 2016. Maximum Difference Between Increasing Elements
+ * Given a 0-indexed integer array nums of size n, find the maximum difference between nums[i] and nums[j] (i.e., nums[j] - nums[i]), such that 0 <= i < j < n and nums[i] < nums[j].
+ * Return the maximum difference. If no such i and j exists, return -1.
+ */
+
+class Solution {
+public:
+	static int maximumDifference(const std::vector<int>& nums) {
+		int ret = -1;
+		int s[1005]{}, pos = 0;
+		for (int i : nums) {
+			for (; pos && s[pos - 1] > i; pos--)
+				ret = std::max(s[pos - 1] - s[0], ret);
+			s[pos++] = i;
+		}
+		ret = std::max(ret, pos ? s[pos - 1] - s[0] : -1);
+		return ret ? ret : -1;
+	}
+};
+
+int main() {
+	Solution::maximumDifference({9,4,3,2});
+	return 0;
+}
diff --git a/cpp/2202/CMakeLists.txt b/cpp/2202/CMakeLists.txt
index 0bc6028..a6253c0 100644
--- a/cpp/2202/CMakeLists.txt
+++ b/cpp/2202/CMakeLists.txt
@@ -3,4 +3,4 @@ PROJECT(2202)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2202 220225.cpp)
+ADD_EXECUTABLE(2202 220226-CN.cpp)