[Codetree] 원 모양으로 되어있는 방

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] arr = new int[n];
        for (int i = 0; i < n; i++)
            arr[i] = sc.nextInt();
        // Please write your code here.

        int min = Integer.MAX_VALUE;
        for(int cur = 1; cur <= n; cur++) {
            int sum = 0;
            for(int next = cur+1; next < cur+n; next++) {
                sum+= arr[next%n]*(next-cur);
            }
            min = Math.min(min,sum);
        }

        System.out.println(min);
    }
}