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发表于 2010-5-11 13:19:52
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用list吧/ L* K& A3 @( @9 d8 x t
patches-own [wealth rank]' i! o! S5 R( a' `& \
to setup
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ask patches [set wealth random 100 set pcolor green ]
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to go
& j2 m6 v% P( ?$ X: \8 n let mylist1 []
6 s3 |' F* @# m+ X5 Q set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches! ?$ n2 o6 i! }
let mylist2 []0 J) f1 O1 E; v& w: o, {
set mylist2 n-values count patches [? + 1]
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4 t3 Z! f( I0 k/ b" b7 w ( foreach mylist1 mylist2 S) F! r0 p5 l& i9 M
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ask ?1[ set rank ?2]/ F$ ?( m/ [7 k5 i4 h: s+ ^2 j
show [rank] of ?1
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% ]' ~* T' p5 }" z$ `# r let mylist3 []
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1 B. W& t$ P) L set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches) i( P7 R7 Z5 x: o3 j S
show count patches* @2 y1 g P4 D8 F$ s
show mylist1 . ~1 v# ?7 H+ @( v1 o
show mylist3& ~+ P$ P. @' L% T% j
end, o8 s1 I' e' {, _# ]: w. y7 Y
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这时的mylist1 和mylist3 应该是一样的 |
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