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🧷 문제 링크
https://www.acmicpc.net/problem/1516
🧭 풀이 시간
50분
👀 체감 난이도
✏️ 문제 설명
게임에서 건물을 지을 때, 선행되어야 하는 건물이 있습니다.
이 때 각 건물을 짓는데 걸리는 시간을 모두 출력하는 문제입니다.
🔍 풀이 방법
DFS를 이용하여 풀었습니다.
각 건물마다 종속성이 있는경우 타고타고 들어가서 결국 최종으로 걸리는 시간을 구했습니다.
⏳ 회고
그냥 DFS로 풀었더니 시간초과가 나서 메모이제이션을 활용했습니다.