# 1. Flip all the lights. # 3. Flip lights with even numbers. # 3. Flip lights with odd numbers. # 4. Flip lights with (3k + 1) numbers, k = 0, 1, 2, ...
如果是最后一轮，则bulb的最后一个灯要switch 对于其他轮，相应的第i-1+C(i)个灯要siwitch，且C为常数，i-1+C(i)必须<=n-1 ...
Getting started with LeetCode can feel like a lot, especially if you’re just beginning your coding journey. So many problems, so many concepts – it’s easy to get lost. But don’t sweat it. This guide ...
Getting a handle on LeetCode can feel like a big task, especially when you’re starting out. But with the right approach and tools, it becomes much more manageable. Python, with its clear syntax and ...
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