Goblet of Fire

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*“If you want to know what a man's like, take a good look at how he treats his inferiors, not his equals.”* This year Triwizard Championship is being organized in Hogwarts. For the final task, each of the candidates was given a magic number $k$. With this given number, the candidates have to answer the number of possible $3\times3$ magic squares that can be formed such that the magic of the squar

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solution.cppC++17

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