Outside of Brackets

CodeChefRating 3572Open on judge ↗

Marichka has a sequence $S$ containing brackets `(` and `)` and character `x`, such that the bracketed sequence is valid. A valid bracket sequence is a bracket sequence which can be transformed into a correct arithmetic expression by inserting characters `1` and `+` between the original characters of the sequence. For example, the given sequence $S$ could be equal to ``(x)((x))x``, because ``(

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solution.cppC++17

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