'commit'

TangDou/KaoShi/合并麦子.cpp

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+#include <bits/stdc++.h>
+
+using namespace std;
+
+// OJ地址
+// https://www.acwing.com/problem/content/150/
+
+// 黄海题解
+// https://www.cnblogs.com/littlehb/p/15488791.html
+
+//小顶堆
+priority_queue<int, vector<int>, greater<int>> q;
+
+int res;
+
+int main() {
+    int n;
+    cin >> n;
+
+    while (n--) {
+        int x;
+        cin >> x;
+        q.push(x);
+    }
+
+    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;
+}