TA的每日心情 | 擦汗 2016-4-17 12:18 |
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签到天数: 1 天 [LV.1]炼气
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本帖最后由 tingsanguo 于 2014-5-2 14:01 编辑
. c+ h: u* ^* ^水风 发表于 2014-5-2 01:57
( {' _# E. D+ b: I7 @再次重温自己与数学天才们之间的差距有多大了。解出来了,我还看不懂思路 ...
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2 q: |/ [7 i, I7 L7 ]; ifixed point f(X) = X = (1-n), where n is the number of people who divide the coconut.# a/ w5 t: J) r/ f7 m$ Q! k
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The least number of coconut before dividing is Z = [n^(n+1) + X], i.e., always divide (n+1) times.4 S e4 z- H: i* J" \# }
! P7 \3 y: B5 u0 rAfter being divided (n+1) times, Z becomes 1, since X is fixed point.: C9 u$ ?! A4 |0 j2 s& G
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n n^(n+1)+X, n^(n)+X, n^(n-1)+X, n^(n-2)+X , Q' ~, E! f! m1 K* F- d7 m# \
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2 7 3 1 4 X, \1 X+ J0 N6 ?: G1 _
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4 1021 253 61 13 1
9 G% j- g+ ~, J8 m# b5 15621 3121 621 121 21 16 U) A' `( s& u) e5 [3 a
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