Query on Brackets
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You are given a sequence $S$ of brackets, consisting of characters "(" and ")". You need to perform $Q$ queries of two types. In type 1 query, each query is described by two integers $Li$, $Ri$ ( $1 \leq Li \leq Ri \leq Size of sequence$ ). The answer to this query is the length of the maximum correct bracket subsequence of sequence $sLi$, $sLi$+1, ..., $sRi$. In type 2 query
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solution.cppC++17
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