[힙] 1848번 동굴 탐험

1. 문제

2. 나의 풀이

3. 남의 풀이

• https://juhyun16.github.io/ps/2018/06/10/1848-solution/
• https://jwvg0425-ps.tistory.com/80
• https://stonejjun.tistory.com/17

4. 느낀 점