[20260317] BOJ / G4 / 잠수함식별 / 이준희#2028
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ShinHeeEul merged 1 commit intomainfrom Mar 17, 2026
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🧷 문제 링크
https://www.acmicpc.net/problem/2671
🧭 풀이 시간
5분
👀 체감 난이도
✏️ 문제 설명
잠수함을 식별할 수 있는 소리의 집합(0101 등이 반복되는 것으로 탐지됨)이 존재할 때
주어지는 수열이 잠수함인지 아닌지 판별하는 문제입니다.
🔍 풀이 방법
정규표현식을 이용해서 풀었습니다.
⏳ 회고
지난번에 비슷한 문제를 if-else로 분기를 나누어서 풀었는데 그때 익힌 정규표현식을 활용했습니다