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🧷 문제 링크
https://www.acmicpc.net/problem/4991
🧭 풀이 시간
23분
👀 체감 난이도
✏️ 문제 설명
로봇 청소기로 먼지 빨리 없애기
🔍 풀이 방법
먼지가 10개 이하라서, 각 먼지 사이의 최단 경로를 BFS로 미리 구해주고 완탐을 돌리면 된다.
⏳ 회고
이상한 문제다