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🧷 문제 링크
https://www.acmicpc.net/problem/1062
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
남극의 모든 단어는 anta 로 시작하고 tica 로 끝납니다.
K개의 알파벳을 가르칠 수 있을 때
N개의 단어 중 읽을 수 있는 단어의 갯수를 구하는 문제입니다.
🔍 풀이 방법
boolean 배열을 이용해서 학습한 알파벳을 파악한 후
각 케이스마다 dfs를 돌았습니다.
⏳ 회고
다 풀고 보니깐 비트마스크를 사용할 수도 있던데 신기했습니다.