The best chance is #3 because all he needs is take #1 + #2 divide by 2. e.g. #1+#2=28 then he take 14. This is the best chance to avoid being highest or lowest and worst case scenario is he equals #1 & #2. However because all 5 knows this simple theory so I think they all died because they all ended up picking the same number of beans.% { b# S% V' l% P" ^' }; z/ O
4 a% f- V" f. z4 C: [3 a$ g% `公仔箱論壇Starting from #1, he knows he cannot pick anything bigger then 49 because if he did, then #2 only have to leave 3 beans for #3 #4 & #5 then he'll live. e.g. #1 picked 53 then #2 picks 100-53-3=44. then A,C,D,E all died. e.g. #1=53, #2=(100-53-3)=44, #3=1, #4=1, #5=1. The best chance for #1 is to pick anything less then or equal the median 20 (100 divided by 5). In fact anything between 3-20 won't change the result. Let's say #1 pick 20. 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。3 D' \# G2 }# M" G4 G5 s
6 W2 H( j r( E1 q% D, vtvb now,tvbnow,bttvbNow #2 knows whatever he picks, #3 will take the median between him & #1 e.g. now #1 picked 20, if he pick 6 then #3 will pick 13 putting him either being the lowest or highest. He cannot allow that so the best chance is to match #1, so he picked 20 as well.公仔箱論壇; V! {# A- C6 g
; S! M' N2 S& s. Y* `tvb now,tvbnow,bttvb#3 did the obvious choice 40 divided by 2 =20, so he picked 20
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8 a" I) c; _% B2 M( z" R#4 base on knowing the median rule take 60 divided by 3 =20, so he picked 20 as well.
6 u# U3 t( d) g# Qtvb now,tvbnow,bttvb公仔箱論壇- ]7 r( s3 ~* \
#5 same as above, he takes 80 divided by 4 =20, picked 20 as well.; Y+ c4 {+ l# o4 W
% M4 b! p) d, @+ H1 H" m9 xEnded all have the same number and all died. |
發表於 2006-12-9 12:41 AM
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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。 A9 ] z6 E, n& l! f$ g" ]
