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🧷 문제 링크
https://www.acmicpc.net/problem/14567
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
각 과목들의 선수과목이 주어졌을 때
각 과목을 들을 수 있는 가장 빠른 학기들을 구하는 문제입니다.
🔍 풀이 방법
각 과목들의 선수과목 정보들이 주어지기 때문에
위상정렬을 이용해서 풀었습니다.
⏳ 회고
선수과목이 여러개일 수도 있는 경우를 빠르게 인지해야 하는 것이 포인트였습니다.