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[창의 퍼즐] [조합]격자에 바둑돌 놓기
전자기역학 2020.07.12 05:55 조회 637
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1. 4×4격자의 칸에 바둑돌을 놓는데, 각 바둑돌끼리는 인접할 수 없다고 한다. 이때의 바둑돌 놓는 방법의 수는?

2. 4×5격자에 위와 같은 조건으로 놓는 경우의 수는?

3. 4×6격자에 위와 같은 조건으로 놓는 경우의 수는?

(풀이 필수)

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  •  
    Sin X Lv.5 2020.07.13 00:34

    격자의 정의가 애매합니다.

    4*4 격자라면 안의 칸이 4*4인지 선이 4*4인지 ,,,

    바둑돌은 선의 교점에 놓는 건가요?

     

    댓글 작성하기 좋아요0 댓글수1
    •  
      전자기역학 Lv.8 2020.07.13 00:38

      체스판으로 생각한다 하면 이해가 되시겠죠?

      좋아요0
  •  
    부분해결
    여백 패르마 Lv.5 2020.07.26 07:25 비밀댓글
    비밀 댓글이 등록 되었습니다.
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