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🚀 이슈 번호
Resolve: {#2314}
🧩 문제 해결
스스로 해결: ❌
🔎 접근 과정
DP의 기본 아이디어는 어떠한 가격을 주고 산 구매자 이후에 몇 번 더 구매가 가능한지를 저장한다.
여기서 추가되는 것은 어떤 경로를 통해 구매 되었는가인데,
이 부분을 비트마스킹을 통해 방문처리를 구현할 수 있다.
⏱️ 시간 복잡도
O(?)💻 구현 코드