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🧷 문제 링크
수열과 쿼리 16
🧭 풀이 시간
60분
👀 체감 난이도
✏️ 문제 설명
🔍 풀이 방법
세그트리로 풀었는데 인덱스를 구해야해서
Node클래스로 트리 구성했습니다.update할 때 일반적인 세그트리처럼 부분 배열의 값을 바로 업데이트 하는 게 아니라start == end일 때(리프노드일 때) 업데이트 해주는 것이 필수입니다.⏳ 회고
인덱스를 구해야해서 까다로웠음