20 December A difference of values and indexes

class Solution{
  public:
    int maxDistance(int arr[], int n) 
    { 
        int mx1 = INT_MIN, mn1 = INT_MAX, mx2 = INT_MIN, mn2 = INT_MAX;

        for(int i = 0; i < n; i++)
        {
            mx1 = max(mx1, arr[i] + i);
            mn1 = min(mn1, arr[i] + i);
            mx2 = max(mx2, -arr[i] + i);
            mn2 = min(mn2, -arr[i] + i);
        }
        return max((mx1 - mn1), (mx2 - mn2));
    } 
};