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🧷 문제 링크
램프
🧭 풀이 시간
40분
👀 체감 난이도
✏️ 문제 설명
램프가 이차원으로 켜져있고 열 단위로 켜고 끌 수 있음
모든 행이 켜져있는 경우 램프가 켜져있다고 판단
램프가 가장 많이 켜질 때의 값은?
🔍 풀이 방법
켜야하는 열의 수를 파악하고 램프를 키면 되는데
K - 켜야 하는 열의 수가 홀수면 스위치를 누르지 않아도 되는 열도 건드리게 되어서 이 조건은 걸러야함이거 때문에 오래 걸림,,
⏳ 회고
브루트포스 도장깨기 해야겠다,,,,,