[20250713] BOJ / G5 / 두 용액 / 김수연 #455
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Outdated suggestions cannot be applied.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
https://www.acmicpc.net/problem/2470
🧭 풀이 시간
20분
👀 체감 난이도
✏️ 문제 설명
주어진 용액들 N개 중 두 개의 서로 다른 용액을 혼합하여 특성값이 0에 가장 가까운 용액 만들기
🔍 풀이 방법
오름차순으로 정렬해주고,
투포인터 써서 합이 0보다 작으면 왼쪽 인덱스 하나 증가 시키고,
합이 0보다 크면 오른쪽 인덱스 하나 감소 시킴
⏳ 회고
전형적인 투포인터다.