first version: error

Author: LetMeFly666

Codes/2034-stock-price-fluctuation-20231008.cpp

@@ -0,0 +1,44 @@
+#ifdef _WIN32
+#include "_[1,2]toVector.h"
+#endif
+
+class StockPrice {
+private:
+    unordered_map<int, int> ma;
+    multiset<int> se;
+    int Mtime;
+public:
+    StockPrice() {
+        Mtime = 0;
+    }
+    
+    void update(int timestamp, int price) {
+        if (ma.count(timestamp)) {
+            se.erase(ma[timestamp]);
+        }
+        ma[timestamp] = price;
+        se.insert(price);
+        Mtime = max(Mtime, timestamp);
+    }
+    
+    int current() {
+        return ma[Mtime];
+    }
+    
+    int maximum() {
+        return ma[*se.end()];
+    }
+    
+    int minimum() {
+        return ma[*se.begin()];
+    }
+};
+
+/**
+ * Your StockPrice object will be instantiated and called as such:
+ * StockPrice* obj = new StockPrice();
+ * obj->update(timestamp,price);
+ * int param_2 = obj->current();
+ * int param_3 = obj->maximum();
+ * int param_4 = obj->minimum();
+ */