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发表于 2010-5-11 13:19:52
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用list吧
7 ]. v$ H& {4 e2 \" A; Zpatches-own [wealth rank]
8 o6 V) _/ \; n' Z' K3 Y q" @% i# Hto setup
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; j' Z, d0 A3 i# r5 i ask patches [set wealth random 100 set pcolor green ]
# h8 u% q" Y) `& Qend
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9 i G7 ?) D2 _) ]6 uto go
8 w# }; h/ y+ I let mylist1 []# c8 i6 D' p v' Z% O$ [/ h! V5 }
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
+ g0 T* X. i( S/ ~ let mylist2 []* n3 y7 Z6 p) q8 F8 w
set mylist2 n-values count patches [? + 1]
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" ^: j, S O; m& ^7 y1 S) E2 g/ V ( foreach mylist1 mylist2
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ask ?1[ set rank ?2]
+ X0 E' f. s5 [& j9 ~. E* H show [rank] of ?1
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& [3 J& ]" v( q( m- j% p* v8 q let mylist3 []
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6 i9 \- w; B: S/ j/ F. G, H. S7 _ set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches% [: N8 f- x P* N8 S1 G* c
show count patches0 j# M5 I0 C" B* a0 f
show mylist1
! D& z9 L: G5 n" H show mylist3
8 o7 L( J! n; M9 @( T& Jend/ D, b9 o3 |0 J
) E9 _" @$ s3 V) i2 @这时的mylist1 和mylist3 应该是一样的 |
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