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🧷 문제 링크
https://school.programmers.co.kr/learn/courses/30/lessons/43163
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
begin 단어에서 target 단어로 한 번에 한 글자씩만 바꿔서 도달하고 싶다. 최소 몇 단계의 과정을 거쳐야 하는지 구하라. 다만, words 배열에 있는 단어로만 변환할 수 있고, 변환 불가한 경우에는 0을 리턴.
🔍 풀이 방법
dfs
⏳ 회고