25 lines
611 B
C++
25 lines
611 B
C++
//http://contest-hunter.org:83/contest/0x10%E3%80%8C%E5%9F%BA%E6%9C%AC%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84%E3%80%8D%E4%BE%8B%E9%A2%98/1701%20%E5%90%88%E5%B9%B6%E6%9E%9C%E5%AD%90
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#include<cstdio>
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#include<algorithm>
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#include<queue>
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using namespace std;
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typedef long long LL;
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int n; LL res;
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priority_queue<LL,vector<LL>,greater<LL> > Q;
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int main()
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{
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#ifdef local
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freopen("pro.in","r",stdin);
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#endif
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scanf("%d",&n);
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for(int i=0;i<n;i++) { int x; scanf("%d",&x); Q.push(x); }
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while(Q.size()>1)
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{
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LL a=Q.top(); Q.pop(); LL b=Q.top(); 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("%lld\n",res);
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return 0;
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}
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