Witchy Problem

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Jon was very much interested in acquiring magical powers. One day while he was sleeping, a witch came into his dream and told him that she would be teaching the sorcery powers if he solves one of her problems. The problem was to find the `common sum` from the mojo square. A mojo square is an $n$ x $n$ matrix of the integers $1$ to $n^2$ such that the sum of every row, column, and diagonal is the

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solution.cppC++17

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