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🧷 문제 링크
https://www.acmicpc.net/problem/14442
🧭 풀이 시간
40분
👀 체감 난이도
✏️ 문제 설명
1,1 부터 N,M까지 이동하는데 벽이 있고 뚫을 수 있는 기회가 K번 주어질때 최단거리 출력
🔍 풀이 방법
BFS
visited[i][j][k]로 상태 정의하고 BFS 그대로 쓰자
⏳ 회고
visited 처리를 q에서 나오고 했는데 그냥 넣을 때 해야하는 거였음.
0-1 BFS랑 좀 헷갈려 ㅠ