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发表于 2010-5-11 13:19:52
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用list吧
9 h$ x3 W0 r. _5 _/ gpatches-own [wealth rank]! `: V2 e1 J1 ~; [
to setup
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ask patches [set wealth random 100 set pcolor green ]4 m2 ~- X ^" T2 L' g
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to go% J. y/ A8 E) { d$ M
let mylist1 []
% A; m# j' j+ }6 g set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
O6 {5 ^. w3 D3 R/ ]# |2 b let mylist2 []0 Y0 U$ E( f \( \9 c
set mylist2 n-values count patches [? + 1]
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( foreach mylist1 mylist2
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9 ~( K! d- ^. e ask ?1[ set rank ?2]
, ^, s- b* x! H# @3 l show [rank] of ?14 d, R" g8 Q d# G2 v
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let mylist3 []- z# ]3 J g* L' n, ]( k
9 z/ E- C* S* t set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
# m/ w2 o/ s; }- @ show count patches& L' M d! F/ d2 _: h
show mylist1 , R# v7 @6 N* L1 R1 C% D# v4 C! i
show mylist3
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这时的mylist1 和mylist3 应该是一样的 |
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