题解 | #小鸡啄米#
小鸡啄米
https://www.nowcoder.com/practice/c2a7f39bd97547eb9a1263d624af4cb3
#include <bits/stdc++.h>
using namespace std;
int main(){
int n;
cin >> n;
vector<int> arr(n);
for(int i = 0; i < n; i++) cin >> arr[i];
sort(arr.begin(),arr.end(),greater<int>());
long long sum(0),cur(0);
for(auto val : arr){
cur += val;
sum += cur;
}
cout << sum << endl;
return 0;
}
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