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[Week01] BOJ 1920: 수 찾기 #12

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[Week01] BOJ 1920: 수 찾기 #12

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@lsy1307 lsy1307 commented Jan 9, 2026 •
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문제 정보

  • 플랫폼: (예: 백준, 프로그래머스, 리트코드) 백준
  • 문제 번호: 1920
  • 문제 이름: 수 찾기
  • 문제 링크: https://www.acmicpc.net/problem/1920
  • 난이도: (예: 실버 3, Level 2, Medium) 실버 4

풀이 방법

간단히 어떤 방식으로 풀었는지 설명해주세요.

예시:
- 알고리즘: unordered set 사용
- 시간 복잡도: O(N + M)
- 공간 복잡도: O(N)

체크리스트

  • 코드가 정상적으로 실행되나요?
  • 커밋 메시지가 컨벤션을 따르나요?
  • 파일명이 올바른가요? ({닉네임}.{확장자})

추가 코멘트

(선택사항) 추가로 공유하고 싶은 내용이 있다면 작성해주세요.

@lsy1307 lsy1307 self-assigned this Jan 9, 2026
@lsy1307 lsy1307 added the 백준 백준 문제 label Jan 9, 2026
@github-actions github-actions bot added the weekly-challenge 주차별 공통 문제 label Jan 9, 2026
Gyuhyeok99
Gyuhyeok99 approved these changes Jan 13, 2026
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lgtm

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@Gyuhyeok99 Gyuhyeok99 Gyuhyeok99 approved these changes

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