[20251114] BOJ / G5 / 최소 회의실 개수 / 설진영#1409
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ShinHeeEul merged 1 commit intomainfrom Nov 14, 2025
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Implement a Java program to calculate the minimum number of meeting rooms required based on start and end times of meetings.
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🧷 문제 링크
https://www.acmicpc.net/problem/19598
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
N개의 회의를 모두 진행할 수 있는 최소 회의실 개수 구하기
🔍 풀이 방법
회의를 시작 시간 기준으로 정렬, 우선순위 큐에 회의실 종료 시간 저장
3가장 빨리 끝나는 회의실 종료시간 보다 새 회의 시작시간이 크면 재사용, 아니면 추가
큐 크기 = 필요한 회의실 개수
⏳ 회고
그리디같이 생김