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🧷 문제 링크
https://www.acmicpc.net/problem/1938
🧭 풀이 시간
25분
👀 체감 난이도
✏️ 문제 설명
통나무는 일렬로 세 칸을 차지한다.
상하좌우 이동 or 회전을 사용해서 목적지로 통나무를 옮기는 최소 동작 횟수를 구해보자.
🔍 풀이 방법
[사용한 알고리즘]
통나무가 수직으로 뻗어있는 경우를 0, 수평으로 뻗어있는 경우를 1로 두고 3차원 BFS (NN2)를 수행했다.
⏳ 회고
구현이 너무 많아서 틀릴까봐 무서웠다