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🧷 문제 링크
감시
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
5개 종류의 CCTV와 벽이 있음
CCTV 종류마다 감시 방향이 다르고 벽 너머는 감시 불가
CCTV를 회전할 수 있다고 했을 때 사각지대가 최소가 되는 경우는?
🔍 풀이 방법
각 CCTV마다 방향 설정해서 백트래킹
⏳ 회고
이거 풀었던 거 같은데 왜 제출이 안되어있지