[20250717] BOJ / G4 / 특정한 최단 경로 / 이준희 #486
Merged
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🧷 문제 링크
https://www.acmicpc.net/problem/1504
🧭 풀이 시간
60분
👀 체감 난이도
✏️ 문제 설명
방향성이 없는 그래프가 주어졌을 때
1번 점에서 N번 점까지 이동하면서 특정 2개의 점 V1, V2를 반드시 지나는 경우의 최솟값을 구하는 문제입니다.
🔍 풀이 방법
처음에는 플로이드-워셜을 사용하려 했으나 점의 수가 너무 많아서
각 점, 1번, V1, V2 점에서 다익스트라를 사용하여 풀었습니다.
⏳ 회고
integer 범위를 넘어가지 않도록 주의해야겠습니다