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第2的....直覺告訴我
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友華
我已經想很久了tvb now,tvbnow,bttvb6 u7 B' r/ t/ X% J7 Z1 B4 q  M
實在太難
7 P8 Y- R; W/ T2 DTVBNOW 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。只好來看答案了
no2,,3,4應該沒那麼容易死瓜

回復第 1 帖由 蘭昀 所發的帖子

number 4 has the best chance to live
0 N* d- n6 {+ y5 @" Eassume number 1, 2, 3 and 4, pick number a, b, c and d.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 k+ B' j* G6 z- L9 P" _+ f$ h
number 4 knows how many left in the bag which is 100-a-b-c
2 I1 i* w5 p6 i$ p# j; PTVBNOW 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。take the average of (100-a-b-c)
- o; s& `  {  c7 d: f公仔箱論壇then number 4 knows a or b or c must be greater or less than average of (100-a-b-c)
& Y2 g+ e8 f3 F' T. i6 @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。and number 4 can squeeze himself into the average and what number 5 picks.
7 D1 X0 s! j3 o' F. Cso number 4 will have the best chance.5.39.217.77' v  m0 w' s: [5 p
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i hope this is a good logic hehe
同意楼上 Number 4 係最安全!! Number5 係一定死咖了!! 不过我就唔知 Number 1,2,3 边个唔好彩jie !!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。# E' j( x: o& S
玩心理咖话!! 5号 好大压力!! 因为就算佢知剩下几多豆 佢豆好难判断所以!!!tvb now,tvbnow,bttvb7 D! L+ S% X& x: U1 F# ~6 y$ z
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。4 D; Z) g0 b! N' V
如果绝D咖哇!!  全部豆色!!! 1号摞97粒 剩下3粒 一人一粒  大家一锅熟 哈哈!!!!(因为一人要一粒 所以佢哋冇得拣  只可以摞一粒!!)
想不到!!答案呢?
應該是第三ㄍ吧
no 2 !!! no 2 !!!                   " x" u! \& A! T7 \3 b
5.39.217.770 \* K1 y% f7 L" x( R3 ?6 g
             no 1 take 20 ( can be any ) no 2 take 19 ( can be any ) , no 3, 4, 5, take 18, 18, 18.
+ B# C  d8 d; T6 r% mSo they will all die !!                                                      tvb now,tvbnow,bttvb  E, d5 b6 r- N

, w; v1 I5 D0 T; K$ E: \6 C5.39.217.77TVBNOW 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。0 D# n. [1 x+ Z  s+ w# o* Q
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6 D8 F: H8 H2 j! M; ~0 m4 {Just Joking !!!
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.
1 h: o4 ?% u8 x: P- {9 K/ |$ Y5.39.217.77
6 I0 e) X. T4 \& _9 r, L! qTVBNOW 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。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.  
7 }3 r: A6 s/ @- l. @/ \3 v9 f) {2 U5.39.217.771 c0 E+ ^3 V; r3 s& R
Now #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.
: ~1 v/ W1 u- i4 WTVBNOW 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。
& M1 I# z+ J( g5 K$ p3 o5.39.217.77#3 did the obvious choice 40 divided by 2 =20, so he picked 20
# Q; M( _8 y' X# s% m5.39.217.77tvb now,tvbnow,bttvb; h; p$ g' H. [1 j4 A6 |
#4 base on knowing the median rule take 60 divided by 3 =20, so he picked 20 as well.6 F4 n* p9 g7 R  {8 W

$ R  S/ n1 f4 ]/ I% ^3 p#5 same as above, he takes 80 divided by 4 =20, picked 20 as well." h! k6 q4 r* \9 z

% x/ y; H5 A( X, wEnded all have the same number and all died.
我猜NO4,tvb now,tvbnow,bttvb, l4 N/ S, R7 `  W$ I
因為他可以取前面三位豆子的平均數,
7 p; }  n% f+ @. `' F5.39.217.77也可以防止豆子不夠讓NO5墊底。
最后一个人最安全!因为当四个人拿完之后,他可以拿quarter of 之前拿的总数,咁样嘅话,佢係最大或者最小的几率係最低嘅```而前面几个人,用呢种方法摞会係最大或者最小的几率会比5号大D...而呢种方法係最有效避免最大或者最小嘅
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[ 本帖最後由 289675283 於 2006-12-15 01:21 AM 編輯 ]
[-X  所謂IQ題唔喺可以用普通思維gē,
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答案應該喺 :抓豆子不多不少的那個囚犯存活率是最大的
想想
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