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发表于 2010-5-11 13:19:52
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用list吧+ C& ]! Y; E, d+ v! j2 j
patches-own [wealth rank]
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ca
! h3 v, u, B# r3 u, V+ f ask patches [set wealth random 100 set pcolor green ]% ]+ x+ M3 D z. {7 m& i+ N
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let mylist1 []$ F f$ e6 O& v3 H0 N% e \2 \ X4 M
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches! a: p' m* m. S& I5 ?4 O% s% ~
let mylist2 []
) a5 q) c' H& g0 B L" B9 K% I& c set mylist2 n-values count patches [? + 1]7 q/ U5 J: j; g/ ^- [7 F* P. T
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( foreach mylist1 mylist2
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) y% {# ^2 g3 v! ? ask ?1[ set rank ?2]
0 {. ^4 H! h% B( I8 v, ] show [rank] of ?1
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let mylist3 []! u* s- Z% t9 |& J
A, b. l$ b; s
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
0 n: e$ H- {1 X2 \5 v; i- t show count patches" ?( n7 a' D: j; L5 V; o
show mylist1 . p9 Y1 A. N+ W. M
show mylist3
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|% ~# ^3 [, o! {* {# K这时的mylist1 和mylist3 应该是一样的 |
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