[20250823] BOJ / G1 / 가계부 (Hard) / 김민진 #722
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
🧷 문제 링크
가계부 (Hard)
🧭 풀이 시간
20분
👀 체감 난이도
✏️ 문제 설명
세그먼트 트리를 사용해서
diff값을 적용하고 부분 합을 구하면 되는 문제입니다.초기화 할 필요도 없음
🔍 풀이 방법
세그트리 사용해서 풀면 됩니다
⏳ 회고
부분합 구하는 함수 조건문 잘 확인하기
확인하고자 하는 범위가 지금 확인하는 범위랑 같거나 더 커야함
if (left <= start && end <= right)