Matched Brackets 2

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Zonal Computing Olympiad 2012, 26 Nov 2011 We consider sequences of opening and closing brackets with two types of brackets, () and []. A bracket sequence is well-bracketed if we can pair up each opening bracket with a matching closing bracket in the usual sense. For instance, the sequences (), [] ([]) and []([]) are well-bracketed, while (, ()], (], )( and [(]) are not well-bracketed. In the las

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solution.cppC++17

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