题解

#include<iostream>
#include<algorithm>
using namespace std;
struct water{
    int time;
}a[110];
bool cmp(water a,water b){
    return a.time<b.time;
}
int main(){
    int n,sum1=0,sum2=0;
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>a[i].time;
    }
    sort(a,a+n,cmp);
    for(int i=0;i<n;i++){
        sum1+=a[i].time;
        sum2+=sum1;
    }
    cout<<sum2;
    return 0;
}