[20251113] PGM / LV3 / 베스트앨범 / 김민진 #1394
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zinnnn37
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🧷 문제 링크
베스트앨범
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
다양한 장르의 노래가 있음
가장 많이 재생된 장르부터 앨범에 실을 건데 장르마다 2곡씩 실을 수 있음
앨범에 들어가는 곡을 차례대로 나열하면?
🔍 풀이 방법
Map + PriorityQueue
⏳ 회고
List를 배열로 변환하는 방법을 외워둬야겠다..
toArray()는Object[]라서int[]로 형변환이 안됨..아 커밋메시지 잘못 적었다