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发表于 2010-5-11 13:19:52
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用list吧- R! v! ?1 e5 y; H
patches-own [wealth rank]% _& ?' \3 h9 A: f4 U3 V/ p
to setup
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, y3 E D) M4 y2 L ask patches [set wealth random 100 set pcolor green ]" B( d l5 X# L3 y
end" f( O* j W& M' p) @& m" U
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5 I" g; Q0 Z! o% T: T let mylist1 []
4 p: _8 u6 Q9 k$ E2 V$ M set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
# l) M# T6 z8 u let mylist2 []
& S# w2 Y, S5 T set mylist2 n-values count patches [? + 1], I6 D- d" Q- R5 H6 T5 M0 H
1 ]% }1 u* f# K. h6 [ J ( foreach mylist1 mylist2
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( w: ^# f. o& B0 H& v) d( k ask ?1[ set rank ?2]4 U5 T. T7 U( C3 T/ N0 r; x
show [rank] of ?1
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]- [! [% O% J3 S) b3 ?, ]3 p; k3 }
)
; N! q% ~2 A2 s% S4 F( K) g! O5 D$ J2 ] let mylist3 []# M/ d- n5 V5 m/ k4 r) ^7 F
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches: J$ W7 K; }. x7 c1 e
show count patches2 ]$ W8 x0 {2 V1 }" `
show mylist1
. W8 W, j" m. T1 }' \. w5 B: Z show mylist3# P! B3 ]1 B {( o
end
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这时的mylist1 和mylist3 应该是一样的 |
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