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发表于 2010-5-11 13:19:52
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显示全部楼层
用list吧
8 \6 u. X0 Y' {, m* A( X% npatches-own [wealth rank]- b {. V: ^( ?; x8 @7 V
to setup
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b; b( b9 e# o1 [" F1 p) W2 G ask patches [set wealth random 100 set pcolor green ]
( f, n0 ?% }. Xend
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7 K# \% F: f$ Fto go
/ y1 T! ^9 J2 r$ b& t let mylist1 []
- d8 \6 i6 @% F set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
2 k( x+ q9 e, a4 K0 M$ P let mylist2 []/ ?1 y, r* K- ^$ o. H
set mylist2 n-values count patches [? + 1]8 z- j: a0 \0 G1 { g
) g# C" _3 \1 y ( foreach mylist1 mylist2
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ask ?1[ set rank ?2]; g8 j& b0 ^) f) v
show [rank] of ?1" D2 u* f( s3 K8 ~; T L0 B! J9 ^
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]
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[- ?: q3 [4 U let mylist3 []
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* @2 O6 e1 M6 `& r7 q* B7 B7 [; t5 j; A set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
9 x2 O" N% k! g show count patches8 |$ q! e i9 `
show mylist1
8 n& B M& L2 ^/ ]+ H( S, i; | show mylist30 e! D( o+ L# U0 K% O
end
% l1 Z3 r. P7 N* n0 {+ e
; N8 m' `1 y j* f这时的mylist1 和mylist3 应该是一样的 |
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