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🚀 이슈 번호
Resolve: {#2274}
🧩 문제 해결
스스로 해결: ✅
🔎 접근 과정
리그 방식으로 진행되므로, 재귀 또한 리그 방식으로 구현하였다.
즉,
src를 기준으로src+1~6까지 대결하도록 하였으며,srcvsdst와의 대결에서 "승리", "무승부", "패배" 케이스에 대해 진행하면서 배틀했을 때,남은 승리, 패배, 무승부 카운트가 0이면 가능한 결과가 되도록 진행하였다.
⏱️ 시간 복잡도
리그 방식에 대한 경우의 수는$\binom{n}{2}$ 로 이며,
또한 각 경우에 대해 "패배", "무승부", "승리" 케이스로 분기된다.
따라서 총 시간복잡도는$O(3^{\binom{n}{2}})$ 이다.
💻 구현 코드