'commit'

TangDou/LanQiaoBei/LanQiao13STEMA202210/5_2.cpp

@@ -0,0 +1,29 @@
+#include <iostream>
+#include <queue>
+
+using namespace std;
+
+int main() {
+    int n;
+    cin >> n;
+    priority_queue<int> q;
+    while (n--) {
+        int x;
+        cin >> x;
+        q.push(-x);
+    }
+
+    int res = 0;
+    while (q.size() > 1) {
+        int a = q.top();
+        q.pop();
+        int b = q.top();
+        q.pop();
+
+        res -= a + b;
+        q.push(a + b);
+    }
+
+    printf("%d\n", res);
+    return 0;
+}