#1514. 【NOIP 十连测 Day 1】平均 (average)

https://sjzezoj.com/submission/60149

S2OJ/1514/1514.cpp

@@ -0,0 +1,43 @@
+#include <iostream>
+#include <algorithm>
+#include <numeric>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 1e6 + 5;
+
+int n, a[N], cnt, ans;
+long long sum;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    cin >> n;
+
+    if (n == 1) {
+        cout << 0 << endl;
+
+        exit(0);
+    }
+
+    for (int i = 1; i <= n; i++) {
+        cin >> a[i];
+    }
+
+    std::sort(a + 1, a + 1 + n);
+
+    for (int i = 1, p = 1; i <= n; i++) {
+        sum += a[i];
+
+        while (p <= i && a[p] <= sum / i) p++;
+
+        ans = std::max(ans, i - p + 1);
+    }
+
+    cout << ans << endl;
+
+    return 0;
+}