The answer is yes, but there is one catch.The catch is that no matter how the pigeons are placed, one of the pigeonholes must contain more than one pigeon.
回答是肯定的，但存在一个定式，即无论鸽子是怎样装入的，必然有一个鸽子洞要装入2个以上的鸽子。
The answer is yes, but there is one catch.The catch is that no matter how the pigeons are placed, one of the pigeonholes must contain more than one pigeon.
回答是肯定的，但存在一个定式，即无论鸽子是怎样装入的，必然有一个鸽子洞要装入2个以上的鸽子。
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