Fun and Functions

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You are given N boolean functions. Formally, each boolean function is a mapping from {0, 1}K to {0, 1}, where K is a number of variables of the function. Different functions in this problem can have different parameters of K. We describe a boolean function F(x1, x2, ..., xK) by a string of 2K characters. Let's enumerate these characters from 0 to 2K-1. Let's take the i-th character of this strin

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solution.cppC++17

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