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Function: require_once

수학동아 - 폴리매스
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[창의 퍼즐] [추리] 주말동안 누구와 같이 있었을까?
니유토갬 2020.06.22 19:36 조회 643
문제 푼 사람 4명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

선생님께서는 주말동안 무엇을 했는지 물어보기 위해, 친구들에게 누구와 같이 있었는지 물어보았다.

니유: 나는 토갬과 같이 있었어.

토갬: 나는 유토와 같이 있었어.

유토: 나는 니갬과 같이 있었어.

니갬: 나는 니유와 같이 있었어.

이렇게 4명의 친구가 서로 다른 친구의 이름을 말했다.

어떻게 이것이 가능했는지 설명해보자.

문제 서술을 자세히 해주시면, 해결 드립니다!

힌트는 되도록이면 드리지 않을 것입니다.

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