https://leetcode-cn.com/problems/binary-watch/ 如n = 1，结果为 ["1:00", "2:00", "4:00", "8:00", "0:01", "0:02", "0:04", "0:08", "0:16", "0:32"] 相关文章： 2021-04-23 2022-12-23 2021-10-31 2021-10-06 2021-10-25 2021-09-24 2021-12-26 2022-12-23