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发表于 2010-5-11 13:19:52
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用list吧
) w, V; y0 n" d: y4 ]patches-own [wealth rank]4 j$ T; W! a. y' p
to setup
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ask patches [set wealth random 100 set pcolor green ]$ W* @: q$ {( i+ W" J# k# J
end
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to go
: d# U' Q( W" P# z. S0 g9 t let mylist1 []) x0 i7 v' J. I: [3 E& Q
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches3 _+ u0 n8 A3 m j, p. f* `
let mylist2 []0 @! K0 j0 _! s; h1 E3 {
set mylist2 n-values count patches [? + 1]
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" ?2 }! b! z8 b% `* f ( foreach mylist1 mylist2
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ask ?1[ set rank ?2]+ \6 j0 C- s K1 P- I" T% m4 X j
show [rank] of ?1
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]
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* s3 v* {* J% p+ a0 F let mylist3 []
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches7 D# f- U: u& D# H8 d- z& S
show count patches) C3 ^# `! S5 c$ X- _7 l9 [
show mylist1 % V& y3 W6 T( y% Y
show mylist3
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' Z, h; o( S7 K+ u这时的mylist1 和mylist3 应该是一样的 |
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