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🧷 문제 링크
https://www.acmicpc.net/problem/1197
🧭 풀이 시간
40분
👀 체감 난이도
✏️ 문제 설명
그래프의 모든 정점들을 연결하는 부분 그래프 중에서 그 가중치의 합이 최소인 트리 구하기
🔍 풀이 방법
크루스칼 알고리즘 이용해서 각 정점들의 대표 노드를 union, find 함수를 통해 찾고, parent 배열에 저장해서 비교해줬다.
⏳ 회고
크루스칼 알고리즘 어렵다.........................................................................................................................