easy Stacks
Valid Parentheses
Given a string `s` of just the characters ()[]{}, return true if every bracket is closed by the same type in the correct order. Example: "()[]{}" → true, "(]" → false, "([)]" → false.
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Given a string `s` of just the characters ()[]{}, return true if every bracket is closed by the same type in the correct order. Example: "()[]{}" → true, "(]" → false, "([)]" → false.