Is there something wrong with the answer of sample case of DISTCHOC

1

problem code- DISTCHOC
the answer of sample input should be 11 not 18 i dont understand what they are asking.
PLZ HELP

2

first sort this and then add them to make minimum time but mine too not running

3

pls don’t tell the solution during the on going contest it will not help him in developing his coding skills.

4

##take help from this code

#include <bits/stdc++.h>
#define ll long long int
using namespace std;

int main() {
ll n;
cin>>n;
ll m=n-1;
ll a[n];
for(ll i=0;i<n;i++) {
cin>>a[i];
}
sort(a,a+n);
ll sum = 0;
for(ll i=0;i<n-1;i++)
{
sum += m*a[i];
m–;
}
cout<<sum<<endl;
}