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发表于 2010-5-11 13:19:52
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用list吧
' _7 G; J/ d0 `3 x) lpatches-own [wealth rank]0 v+ v! _2 {* n" f
to setup
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ask patches [set wealth random 100 set pcolor green ]) b' o2 u0 t1 F1 [
end/ e; ?3 y+ X3 L% [, H
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to go
O2 z2 o8 s! R2 h1 ^* U let mylist1 []9 O; t# K4 e. L. j
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches0 B8 R! p J3 i; g+ U7 C0 L; N
let mylist2 []+ E5 \, _8 X( X: ~2 ]
set mylist2 n-values count patches [? + 1]+ Z0 m% F; A" _! t9 Q$ l
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( foreach mylist1 mylist2
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ask ?1[ set rank ?2]
+ E& n' |5 ?8 p+ X6 D7 M; ?& I show [rank] of ?1
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]
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let mylist3 []+ M* S5 ?8 M0 [3 U; F
$ x2 d2 q( |3 i3 ^1 X- d& A+ z3 r
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
! r& E6 X, R6 S* z& O& e show count patches
/ z! p% D: a H: J show mylist1 & Z% {: B* N4 t; ?2 _$ ?
show mylist3
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这时的mylist1 和mylist3 应该是一样的 |
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