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 ...

# If the character is a closed parenthesis, check if the last element in the stack is the corresponding open parenthesis elif stack and stack[-1] == closedParentheses[c]: stack.pop() # If the last ...

# find the length of the longest valid (well-formed) parentheses substring. # For "(()", the longest valid parentheses substring is "()", which has length = 2 ...

Getting started with LeetCode can feel like a lot, especially if you’re just beginning your coding journey. So many problems, so many concepts – it’s easy to get lost. But don’t sweat it. This guide ...