38 lines
607 B
C++
38 lines
607 B
C++
#include <bits/stdc++.h>
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using namespace std;
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// OJ地址
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// https://www.acwing.com/problem/content/150/
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// 黄海题解
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// https://www.cnblogs.com/littlehb/p/15488791.html
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//小顶堆
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priority_queue<int, vector<int>, greater<int>> q;
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int res;
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int main() {
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int n;
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cin >> n;
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while (n--) {
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int x;
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cin >> x;
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q.push(x);
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}
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while (q.size() > 1) {
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int a = q.top();
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q.pop();
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int b = q.top();
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q.pop();
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res += a + b;
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q.push(a + b);
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}
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printf("%d\n", res);
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return 0;
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}
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