[20250206] BOJ / 골드3 / 같이 눈사람 만들래? / 김수연#47
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ShinHeeEul merged 1 commit intomainfrom Feb 6, 2025
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🧷 문제 링크
https://www.acmicpc.net/problem/20366
🧭 풀이 시간
60분
👀 체감 난이도
✏️ 문제 설명
눈덩이 N개 중에 4개를 골라서 눈사람 2개를 만드는데 눈사람 2개의 최소 높이 차를 return한다.
🔍 풀이 방법
눈덩이 N개 중에 2개를 combination으로 고르고,
투포인터를 이용해서 기존의 눈덩이 2개와 겹치지 않는 나머지 2개의 눈덩이를 선택한다.
⏳ 회고
풀이법은 간단한데, 너무 복잡하게 생각해서 시간이 꽤 걸렸다.