送交者: antonin 于 2005-4-17, 05:50:00:

回答: Not true. Three times will do for 13 balls, 由 antonin 于 2005-4-17, 05:48:21:

if the defective ball is lighter or heavier.

• True. but I suppose my formula should work for - Tangduoling (141 bytes) 2005-4-17, 15:27:05

加跟贴