[20251013] PGM / LV3 / 가장 먼 노드 / 강신지 #1107
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🧷 문제 링크
https://school.programmers.co.kr/learn/courses/30/lessons/49189
🧭 풀이 시간
15분
👀 체감 난이도
✏️ 문제 설명
1번 노드에서부터 가장 먼 노드 개수 구하기
🔍 풀이 방법
BFS로 각 노드들에 대해 1번 노드와의 최단 거리를 구한 뒤, 그 거리가 가장 먼 노드의 개수를 셈
⏳ 회고
무방향 그래프에 가중치도 없으므로 BFS로 풀었다