"""Popping order must be correct. Check last element. Per their ASCII decimal values, open and closed parentheses and brackets are 1 or 2 positions away.""" ...

# Runtime: 52 ms, faster than 5.66% of Python3 online submissions for Valid Parentheses. # Memory Usage: 14 MB, less than 5.22% of Python3 online submissions for Valid Parentheses.

現在ITエンジニアとして働いていますが、コーディング・アルゴリズム力をもっと鍛えたいと思い、LeetCodeで学んだ内容をメモ的にアウトプットしています。 また、海外や外資のコーディングテスト対策としてもLeetCodeは有用らしく、海外でのキャリアに ...

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