add: 220408 [cpp]

cpp/2204/220408.cpp

@@ -0,0 +1,21 @@
+#include <queue>
+#include <vector>
+
+class KthLargest {
+private:
+	int k;
+	std::priority_queue<int, std::vector<int>, std::greater<>> q;
+public:
+	explicit KthLargest(int k_ = 0, const std::vector<int>& nums = {}) : k(k_) {
+		q = std::priority_queue<int, std::vector<int>, std::greater<>>(nums.begin(), nums.end());
+		while (q.size() > k)
+			q.pop();
+	}
+
+	int add(int val) {
+		q.push(val);
+		if (q.size() > k)
+			q.pop();
+		return q.top();
+	}
+};

cpp/2204/CMakeLists.txt

@@ -3,4 +3,4 @@ PROJECT(2204)
 
 SET(CMAKE_CXX_STANDARD 23)
 
-ADD_EXECUTABLE(2204 220408-CN.cpp)
+ADD_EXECUTABLE(2204 220408.cpp)