Word Grid

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You are given a set of $n$ words, each of length 4. All characters are uppercase English alphabets. You have to construct a 4x4 grid of letters such that each of the $n$ words appears atleast once. A word is said to appear in a grid if the word appears in a row or column in any of the two directions (ie. if it is a column, it can either be top to bottom, or bottom to top. And if it is a row, it

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solution.cppC++17

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