题解

#include<iostream>
#include<cmath>
using namespace std;
int main(){
    int n,a[60],Min=100010,sum=0;
    cin>>n;
    for(int i=0;i<n;i++){
        cin>>a[i];
        Min=min(a[i],Min);
    }
    for(int i=0;i<n;i++){
        sum+=a[i]-Min;
    }
    cout<<sum;
    return 0;
}