[20251205] BOJ / G4 / 줄세우기 / 강신지 #1591
Merged
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Outdated suggestions cannot be applied.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/2631
🧭 풀이 시간
40분
👀 체감 난이도
✏️ 문제 설명
3 7 5 2 6 1 4
위와 같은 식으로 나열된 숫자를 오름차순으로 다시 나열하려고 함
최소한 몇 개의 수를 움직여야 하는지?
🔍 풀이 방법
최장 증가 부분 수열을 구해서 전체 숫자의 수에서 빼면 됨
⏳ 회고
쉬운 문제인데 LIS 쓰면 된다는 생각을 못했다...