THE17105PATTERN

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Will is a curious student of your class and he is interested in making patterns. He has $N$ blocks of wood with him each having an integer $Ai$ value written on its surface. There is/are bad elements present in the blocks of wood. A bad element is an element after removal of which the blocks of wood make a pattern called $“The 17105 Pattern ”$ named by Wil himself. $“The 17105 Pattern ”$

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solution.cppC++17

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