There is 12 balls.. divide them into piles of 4
/ v' E/ y6 c8 m8 v/ w t1 ^公仔箱論壇so 3 groups for 4..name is A,B,C
6 f$ [1 w( a. b5 T0 atvb now,tvbnow,bttvbcase 1:
, f: L5 x0 V) {8 s6 Ymeasure A -- B 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。+ R W+ z' c! B$ R& g
A or B is heavier
$ P9 O; g: Q) M4 ~6 BTVBNOW 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。divide that group into 2 by 2公仔箱論壇, ?2 y% e9 Z! Y/ I; G
then divide heavier group into 1 by 1; _3 p; Q; R# r! T% ?# @' k5 i! a/ u
S. `# o+ S/ k2 _$ Dcase 2:
% K0 e- y% @* ^ s O公仔箱論壇A and B is the same.. therefore C has the heavier ball9 T% G. t2 O6 {( v
divide C into 2 by 2( o3 X6 s" i$ S$ D
then divide heavier group into 1 by 1..
$ Y/ h% j% M) ^) E: z z. lTVBNOW 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。公仔箱論壇0 V- o2 Z& S. A- Y/ L# O; ]* M
got it in 30 seconds.. not so hard -.-' |
發表於 2006-12-8 01:06 PM
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