Web Reference: Use a stack to determine if a sequence of parentheses is balanced or not. 317 efficient solutions to HackerRank problems. Contribute to RodneyShag/HackerRank_solutions development by creating an account on GitHub. A string containing only parentheses is balanced if the following is true: 1. if it is an empty string 2. if A and B are correct, AB is correct, 3. if A is correct, (A) and {A} and [A] are also correct. Examples of some correctly balanced strings are: “{}()”, “[{()}]”, “({()})” Examples of some unbalanced strings are: “{}(“, “({)}”, “[[“, “}{” etc....
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