LeetCode 1375. Bulb Switcher III灯泡开关 III【Medium】【Python】【最大编号】 Problem LeetCode There is a room with n bulbs, numbered from 1 to n, arranged in a row from left to right. Initially, all the bulbs are turned off. At moment k (for k from 0 to n - 1), we turn on the light[k] bulb. A bulb change color t...