[LeetCode] Bulb Switcher 燈泡開關
There are n bulbs that are initially off. You first turn on all the bulbs. Then, you turn off every second bulb. On the third round, you toggle ...
原文：[LeetCode] Bulb Switcher II 燈泡開關之二
There is a room withnlights which are turned on initially and buttons on the wall. After performing exactlymunknown operations towards buttons, you need to return how many different kinds of status o ...
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算法題|-燈泡開關問題
問題描述: 有編號1~100個燈泡，起初所有的燈都是滅的。有100個同學來按燈泡開關，如果燈是亮的，那么按過開關之后，燈會滅掉。如果燈是滅的，按過開關之后燈會亮。現在開始按開關。第1個同學，把所有的燈泡開關都按一次(按開關燈的編號： 1,2,3,......100)。第2個同學，隔一個燈按一次 ...
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