Minimum Maximum Codechef Problem Solution

https://www.codechef.com/problems/MNMX

In C++.........................

    #include<bits/stdc++.h>
    using namespace std;
    int main()
    {
        long long int n,k,arr;
       
        cin>>n;
        while(n--)
        {
            long long int min=1000000;
            cin>>k;
            long long int i;
            for(i=0;i<k;i++)
            {
                cin>>arr;
                if(arr<=min)
                {
                    min=arr;
                }
            }
            long long int ans=min*(k-1);
            cout<<ans<<endl;
           
        }
    }