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发表于 2010-5-11 13:19:52
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用list吧. R/ w7 ?6 U% p/ ?3 O& A0 L
patches-own [wealth rank]% T* H; } H2 ?* I, c) |( y
to setup" E$ j, `& g. Y# J
ca
- ^: U5 x9 A# S) c' P7 I ask patches [set wealth random 100 set pcolor green ]5 g1 l0 ?# b/ b2 X( V
end% {) L) c) U7 u6 T5 k8 c
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to go
- f$ F5 ^2 ?* o6 s1 b N1 y let mylist1 []
# B$ E1 ^+ ^& q4 A0 N" F set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches* ?( k& D8 v- U( W
let mylist2 []
! v# t% c! \$ S" e. T8 f1 ~' | set mylist2 n-values count patches [? + 1]" k" n8 H4 |) B8 ?4 o/ p4 E6 d& h
0 P9 M& q# ^+ t7 ?$ W8 Q ( foreach mylist1 mylist2
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8 F! v. K( o* d: l ask ?1[ set rank ?2]* H( l3 R7 i( J: [) @' e
show [rank] of ?1
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+ [) w0 j3 F5 H N) V! x3 u let mylist3 []
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) y' n9 ?/ f. B* m set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
% G' w% {- w) b' F8 E7 h3 p! N show count patches
% o" [" b9 W+ ~: n4 E2 B5 b4 o- X3 E show mylist1 . n% y9 ^4 R; V" @; }7 X [6 z
show mylist3
- |7 _# @! M7 t8 iend
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这时的mylist1 和mylist3 应该是一样的 |
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