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🧷 문제 링크
https://www.acmicpc.net/problem/22865
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
N개의 땅 중에서 세 친구 A, B, C로부터 가장 먼 곳을 찾기
각 땅에서 가장 가까운 친구까지의 거리를 기준으로, 그 값이 최대인 땅을 선택
🔍 풀이 방법
세 친구의 위치에서 각각 다익스트라 알고리즘을 실행하여 모든 땅까지의 최단 거리 구함
각 땅마다 세 친구까지의 거리 중 최솟값 계산
그 최솟값이 가장 큰 땅을 선택
⏳ 회고
전형적인 다익스트라 응용 문제