Valid Parentheses

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Given a string s containing just the characters '**(**', '**)**', '**{**', '**}**', '**[**' and '**]**', determine if the input string is valid. An input string is valid if: - Open brackets must be closed by the same type of brackets. - Open brackets must be closed in the correct order. - Every close bracket has a corresponding open bracket of the same type. ### Input - The first line of input

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solution.cppC++17

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