solve hw-9

hws/tiktok_trends/TopKVideoHolder.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <vector>
+#include <queue>
+#include <algorithm>
+#include "VideoInfo.h"
+#include "Constants.h"
+
+class TopKVideoHolder {
+private:
+    std::priority_queue<VideoInfo, std::vector<VideoInfo>, VideoCompareWorse> pq;
+    static const size_t K = TOP_K_CANDIDATES;
+
+public:
+    void add(const VideoInfo& video);
+    std::vector<VideoInfo> getSortedVideos();
+    bool empty() const;
+    size_t size() const;
+};