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雁过留声——一个看似高深的题

Posted by fanhqme at 2009-08-17 17:09:18 on Problem 1105
还以为是要还原表达式...
其实只要把VVA进行一下置换,再转换成二进制,然后从输入的序列中输出就可以了。

不过还原原表达式是一个挺令人兴奋的问题。

例如,若每个变量只出现一次,表达式只包括and or not,那么这题是否可以
还原原表达式呢?我个人猜想是可以的,不过没有再深入想下去......

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