[20251224] BOJ / G2 / 수열과 개구리 / 김민진 #1736
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🧷 문제 링크
수열과 개구리
🧭 풀이 시간
40분
👀 체감 난이도
✏️ 문제 설명
수열이 두 개 주어짐
a는 해당 인덱스에서 어디로 이동가능한지b는 이동하는데 걸리는 시간이 저장됨1 ~ N까지가 범위임임의의 인덱스에서 위 범위를 벗어나는데 걸리는 최소시간 모두 출력하기
🔍 풀이 방법
다익스트라
1 ~ N까지가 범위이니까 역으로0과N + 1부터 다익스트라 시작함N + 1까지 참조해야해서 배열 길이N + 2로 초기화 필요다익스트라 방법은 똑같은데 가중치가 정수 범위를 넘어가므로
long으로 계산해야함⏳ 회고
PriorityQueue인데ArrayDeque써놓고 왜 시간초과지 이러고 있었음