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发表于 2010-5-11 13:19:52
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用list吧
/ w( u6 }4 _, E: spatches-own [wealth rank]* e8 b( J2 }# D
to setup" V* T, S' [8 p7 z
ca
5 p# W" r5 j& q7 @ ask patches [set wealth random 100 set pcolor green ]0 h( A# R2 Z7 p) e* Q
end8 y' X7 ]# ^/ R) N2 W. f/ N( l7 U: F
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let mylist1 []
: j8 F: n% K, |& _# I3 B: l0 C/ k5 W set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches J7 F% g* R3 {# `: R& n
let mylist2 []$ k6 B" J& g# G. z1 `
set mylist2 n-values count patches [? + 1]( k# o( V/ V. \, s) x% |8 |
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( foreach mylist1 mylist2: \9 M( k9 S" A: D, j6 s9 r
[
4 P7 y2 ]* q- d ask ?1[ set rank ?2]
( `( f0 O [( ^0 ~8 [) A show [rank] of ?1; T5 W9 p8 P& d* S2 \% b
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]
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let mylist3 []
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches8 p/ T: ^, W0 K5 ` H
show count patches
& K: E- M: ~" {' [ show mylist1
+ q9 _0 l3 o6 C% ]6 u show mylist3% y5 A; b3 t6 v5 T. u' W( {
end
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这时的mylist1 和mylist3 应该是一样的 |
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