Hey,\nMy friend had an onsite interview and she told she got this question:\nYou are given a circle list of doors. Each door has \'close\' and \'open\' methods. You need to count how many doors exist in the circle (without using == or equals).\nDoes anybody know the answer on can please refer me to the leetcode question?

Hey,\nMy friend had an onsite interview and she told she got this question:\nYou are given a circle list of doors. Each door has \'close\' and \'open\' methods.