[20230921] 이건화 287. Find the Duplicate Number #300
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Outdated suggestions cannot be applied.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 푼 시간
5분
접근 및 풀이 🔍
고유한 값을 저장하는
Set
객체를 사용해서 중복여부를 검사분석 📝
추가 학습 🧐
제약조건에는 일정한 추가공간을 사용하라고 명시되어 있는데 O(1)의 공간복잡도를 뜻하는 거라면 좀 더 고민해봐야겠습니다.