送交者: antonin 于 2005-4-17, 05:48:21:

回答: 1000个球称9次如何确保找到未知偏重还是偏轻的那一个次品球? 由 Tangduoling 于 2005-4-16, 14:44:06:

and by weighing n times one can find the defective one among (3^n-1)/2 balls.

• Well, you may not be able to determine - antonin (48 bytes) 2005-4-17, 05:50:00
  • True. but I suppose my formula should work for - Tangduoling (141 bytes) 2005-4-17, 15:27:05

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