[20251128] BOJ / G2 / 가장 긴 증가하는 부분 수열 3 #1533
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Outdated suggestions cannot be applied.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/12738
🧭 풀이 시간
60분
👀 체감 난이도
✏️ 문제 설명
가장 긴 증가하는 부분 수열을 구하시오
🔍 풀이 방법
TreeSet에 저장하는데, 여기엔 가능성의 집합을 저장한다.
set의 첫 번째 원소: 길이 1인 수열의 최소 끝 값
set의 두 번째 원소: 길이 2인 수열의 최소 끝 값
set의 세 번째 원소: 길이 3인 수열의 최소 끝 값
⏳ 회고
어떻게 이분 탐색인데 이거