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23/10/Q275.h

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+//
+// Created by 李洋 on 2023/10/30.
+//
+
+#ifndef LEECODE_C_Q275_H
+#define LEECODE_C_Q275_H
+
+#include <vector>
+
+using namespace std;
+
+class Q275 {
+public:
+    int hIndex(vector<int> &citations) {
+        int n = citations.size();
+        int left = 0, right = n - 1;
+        while (left <= right) {
+            int mid = left + (right - left) / 2;
+            if (citations[mid] >= n - mid) {
+                right = mid - 1;
+            } else {
+                left = mid + 1;
+            }
+        }
+        return n - left;
+    }
+};
+
+#endif //LEECODE_C_Q275_H