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🧷 문제 링크
백룸
🧭 풀이 시간
60분
👀 체감 난이도
✏️ 문제 설명
직선의 벽이 하나 있고 가로지를 수 없을 때
(1, 1)에서(N, M)까지 도달했을 때 얻을 수 있는 최댓값은?🔍 풀이 방법
위, 왼쪽만 고려하면 되는 dp인데 벽을 설정하는 게 까다로웠음
wall배열 하나 두고 이게true면 한 방향만 고려하도록 함⏳ 회고
벽 정보가 오름차순임이 보장되지 않음................
✛ 벽 처리 때문에 이거 붙이고 저거 붙이고 하느라 코드 더러워짐 ㅜ
벽 정보 가지고 바로 넘어갈 수 있는지 없는지 확인하면 깔끔해질 것 같음