tincan

First put 6 balls on each side and weight them.
. {: N& q8 j/ k& jTake the heavier 6 balls, split them into 2 groups of 3, and weight them again.tvb now,tvbnow,bttvb( Y1 w. [4 Q' |, `1 Y* B" B! N% |9 g
Take 2 out of the 3 heavier balls and weight them. If one of them is heavier than the other, then that one is the target that we were looking for. If both of the balls have the same weight, then the remaining unweighted ball is the target.7 A6 W; e8 m1 }0 ]2 r

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9 f7 J# f! E4 j, ?TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Ooops, I got it wrong. @@
* Z- B+ Y# q) U2 G2 Ntvb now,tvbnow,bttvb5.39.217.76( r* K( i' |5 I: }$ X( m% T+ C; F$ E
[ 本帖最後由 tincan 於 2007-3-26 05:17 PM 編輯 ]