Different Vectors

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You are given set of N vectors, each vector consists of K integers. Two vectors ex, ey are are equal iff there exist function bijection f and integer r, such that ex[i] = f( ey[(i+r)%K] ), for each i in range [0, K> Eg. (1, 2, 2, 3) == (22, 3, 4, 22), with r=2 and f(22)=2, f(3)=3 and f(4)=1. But (22,3,22,4) is not equal to (1, 2, 2, 3). How many different vectors are there in set of N given vecto

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solution.cppC++17

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