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🧷 문제 링크
https://www.acmicpc.net/problem/11505
🧭 풀이 시간
15분
👀 체감 난이도
✏️ 문제 설명
구간 곱 구하기!
🔍 풀이 방법
세그먼트 트리
⏳ 회고
구간 합 구하기에서 곱으로 바꿨음. 변화량을 적용하는 부분을 내려가면서 하는게 아니라 일단 쭉 내려가서 올라오면서 진행하도록 수정