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发表于 2010-5-11 13:19:52
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用list吧
- w1 c% v! e: Ipatches-own [wealth rank]
4 h( C q( y0 N$ W) g; gto setup
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/ |2 s1 C4 e" } ask patches [set wealth random 100 set pcolor green ]1 W, ~$ o- U6 r8 T
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to go
6 T, ?5 g$ A7 g, i4 O5 L let mylist1 []
3 \- Y& p8 d/ H1 B9 { set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
- h, K# j# y. `8 E# w let mylist2 []( j& U! K* [! e- X' N0 W) m
set mylist2 n-values count patches [? + 1]) U/ n* \6 z b' W( @
: h9 I2 W2 E0 r4 l \& G j. c ( foreach mylist1 mylist2" a0 N9 @8 D* P6 V g2 L- U
[
! e) M1 Y W9 e5 i ask ?1[ set rank ?2]
6 p- @+ q) m4 z$ I$ d show [rank] of ?1
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let mylist3 []
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches& m1 e' h0 ]: x$ l' X/ r% |. i0 _
show count patches* A3 t& J. g6 M) G8 z6 `8 n# E9 v, a
show mylist1 7 p2 g) @( K m6 ~, u& Z( g
show mylist37 T! K$ Y, S7 P& W! |- k' p. H0 R
end6 W9 r& T3 O _/ S; M. A! n
* c# w1 J* y7 D/ d# j这时的mylist1 和mylist3 应该是一样的 |
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