Count of numbers beteween few numbers

unsigned check(int *Items, int *Count)
{
    int max = 0, start = 0, end = 0, tick = 0;

    for (; tick < *Count; tick++)
    {
        if (Items[tick] > max)
        {
            max = Items[tick];
            start = end = tick;
        }
        else if (Items[tick] == max)
        {
            end = tick;
        }
    }

    return start == end ? 0 : (((tick + end) - (tick + start)) - 1);
}