題組內容

一、 Consider the seating arrangement of 5 boys A, B, C, D, and E, and 5 girls F, G, H, I, and J at a round table, where two seating arrangements are considered the same if one of them can be derived from the other by a rotation.

(b)  Prove that in this case, for every seating arrangement, there is always some person both of whose neighbors are boys.

詳解 (共 1 筆)

Aaron Lim
Aaron Lim
詳解 #6583729
2025/08/02
### **(b) Proof: So...
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