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发表于 2010-5-11 13:19:52
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用list吧
0 [& g5 y) \1 a3 z, O3 Npatches-own [wealth rank]; ?; `7 b7 p5 F9 H
to setup9 Z9 e4 O3 I+ C, c$ }# A
ca
; W( |! f# G$ b ask patches [set wealth random 100 set pcolor green ]# _# K+ l" d, D4 B! g/ f
end
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to go
# W8 `+ R1 G, _: U& G let mylist1 []
! @7 Y/ E; ]6 W" L" {5 N+ H set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
" b( G* c5 d5 T I9 i6 B, S% r. K; N let mylist2 []! a B7 E) b3 _& K; ?) G) d. _5 A% N/ }
set mylist2 n-values count patches [? + 1]6 p# g- I' H5 N: h/ _
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( foreach mylist1 mylist29 E; d2 P' S" c. j
[
: o( ?$ B3 w: `, d( c, ~ ask ?1[ set rank ?2]( E& \/ S, X, }& i6 s
show [rank] of ?1, L& _! \- u9 T' Q# i$ ~" X
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let mylist3 []7 n% i# J: ]6 A; l r8 o
Q% P6 o- B8 {2 `% v! N set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches' t" y2 Q, l& o; w3 f& a
show count patches
$ d& l$ u5 d9 l- d show mylist1
: ^' N& L5 D# g! r8 S1 Z u) Q1 B+ X show mylist3
4 U4 U8 S) Z4 f& B: `end
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3 M, t r4 d- A5 ?4 j+ k0 |8 S# h这时的mylist1 和mylist3 应该是一样的 |
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