diff --git a/cpp/2206/220623.cpp b/cpp/2206/220623.cpp
new file mode 100644
index 0000000..acce4db
--- /dev/null
+++ b/cpp/2206/220623.cpp
@@ -0,0 +1,32 @@
+#include <vector>
+#include <queue>
+#include <algorithm>
+
+/**
+ * 630. Course Schedule III
+ * There are n different online courses numbered from 1 to n. You are given an array courses where courses[i] = [duration[i], lastDay[i]] indicate that the ith course should be taken continuously for durationi days and must be finished before or on lastDayi.
+ * You will start on the 1st day and you cannot take two or more courses simultaneously.
+ * Return the maximum number of courses that you can take.
+ */
+
+class Solution {
+public:
+	static int scheduleCourse(std::vector<std::vector<int>>& c) {
+		std::sort(c.begin(), c.end(), [](const auto& x, const auto& y) {
+			return x[1] < y[1];
+		});
+		std::priority_queue<int> q;
+		int t = 0;
+		for (const auto& x : c) {
+			if (t + x[0] <= x[1]) {
+				q.push(x[0]);
+				t += x[0];
+			} else if (!q.empty() && q.top() > x[0]) {
+				t += x[0] - q.top();
+				q.pop();
+				q.push(x[0]);
+			}
+		}
+		return q.size();
+	}
+};
diff --git a/cpp/2206/CMakeLists.txt b/cpp/2206/CMakeLists.txt
index 9321f92..dc1f9a4 100644
--- a/cpp/2206/CMakeLists.txt
+++ b/cpp/2206/CMakeLists.txt
@@ -3,4 +3,4 @@ PROJECT(2206)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2206 220621.cpp)
+ADD_EXECUTABLE(2206 220623.cpp)