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2. Valid Parentheses

簡單堆疊AmazonMicrosoft

Given a string s containing only bracket characters, determine whether the brackets are valid.

範例 1:

輸入: s = "()"
輸出: true

範例 2:

輸入: s = "([)]"
輸出: false

限制條件:

  • 1 <= s.length <= 10^4
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