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🧷 문제 링크
https://www.acmicpc.net/problem/2623
🧭 풀이 시간
30분
👀 체감 난이도
✏️ 문제 설명
PD들이 정한 순서를 모두 지키면서, 전체 가수의 순서를 정하기
🔍 풀이 방법
각 가수마다 이전 순서로 불러야하는 가수의 수를 cnt배열에 저장해둔다.
cnt가 0이면 해당 가수를 answer에 추가해주고, 다음 순서의 가수들의 cnt값을 1씩 줄인다.
answer의 값이 N이면 출력하고, 안되면 0 출력한다.
⏳ 회고
조금 헤맸다.....