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yewonniii
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Oct 6, 2022
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📕 Problem
leetcode_3Sum
📗 Idea & Algorithm
투 포인터를 사용해 합을 계산하며 풀었습니다.
📘 Comment
List<List<>> 타입은 처음이라 변환하는데 힘들었어요 🥲
DFS로 처음에 풀었는데 시간초과나서 구글링 후에 투 포인터를 사용했습니당.
투 포인터가 더 비효울적이라 생각했는데 아닌가봐요 !
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📕 Problem
프로그래머스_후보키
📗 Idea & Algorithm
비트마스킹과 SET자료형을 사용해 풀었습니다.
📘 Comment
빡코딩으로 구현하다가 중복 유무를 비트마스킹으로 했던게 기억나서 도전했습니다.
비트마스킹을 사용하려고 끙끙거리느라 예상 풀이시간 + 1시간은 된것같지만 세상 뿌듯하네용 ㅎㅎ