import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int maxIndex = 0;
        int minIndex = 0;
        int[] arr = new int[n];
        for (int i = 0; i < arr.length; i++) {
            arr[i] = sc.nextInt();
            if(arr[i] >= arr[maxIndex]) maxIndex = i;
            else if(arr[i] <= arr[minIndex]) minIndex = i;
        }
        int res = Math.max(n - Math.min(maxIndex, minIndex) - 1, Math.max(maxIndex, minIndex));
        System.out.println(res);
    }
}

```