Web Reference: Given a string containing three types of brackets, determine if it is balanced. Jun 20, 2017 · This answer helped me alot with understanding the problem. But I was wondering why do you have the isBalanced === true if statement checking the opening brackets? What is its purpose. Is it just for some odd test cases? I was struggling really hard on this problem for days. There are three types of matched pairs of brackets: [], {}, and (). A matching pair of brackets is not balanced if the set of brackets it encloses are not matched. For example, { [ (])} is not balanced because the contents in between { and } are not balanced.
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