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23/10/901.h

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+//
+// Created by 李洋 on 2023/10/7.
+//
+
+#ifndef LEECODE_C_Q901_H
+#define LEECODE_C_Q901_H
+
+#include <stack>
+
+using namespace std;
+
+class trendSpanner {
+public:
+    trendSpanner() {}
+
+    int next(int price) {
+        count = 1;
+
+        if (trend.size() == 0 || price < trend.top()->value) {
+            trend.push(new stock{price, 1});
+            return count;
+        }
+
+        while (!trend.empty() && price >= trend.top()->value) {
+            count += trend.top()->value;
+            stock *temp = trend.top();
+            trend.pop();
+            delete (temp);
+        }
+
+        trend.push(new stock{price, count});
+        return count;
+    }
+
+private:
+    struct stock {
+        int key;
+        int value;
+    };
+    stack<stock *> trend;
+    int count;
+};
+/**
+ * Your trendSpanner object will be instantiated and called as such:
+ * trendSpanner* obj = new trendSpanner();
+ * int param_1 = obj->next(price);
+ */
+
+#endif LEECODE_C_Q901_H