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看了一小时题目,接着睡一小时,醒来的时候把题目再看了老半天,终于知道是什么意思了题目大意是: n个硬币,不论初始状态如何,都要保证翻k次,多一次或少一次都不行,即使初始的状态已经是最终想要的结果,仍然要翻,一次翻一个,翻k次后,使得最终的状态是硬币同面朝上 Followed by: Post your reply here: |
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