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发表于 2010-5-11 13:19:52
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用list吧
# Z5 I! d& ~- e3 Y: S$ Lpatches-own [wealth rank]
6 j4 ]$ `+ e. fto setup
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ask patches [set wealth random 100 set pcolor green ]
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to go
7 p- l T& H2 x% H% D# B9 c' v let mylist1 []
" v [# p4 Z V5 Z' ` set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
# i% z# p; x: W# F! c7 w* G/ G0 u let mylist2 []( m) W9 m& ~; e' b: U
set mylist2 n-values count patches [? + 1]
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, v4 L. R. n( \ ( foreach mylist1 mylist2
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ask ?1[ set rank ?2], L+ W8 {8 Z$ ^9 {
show [rank] of ?1
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]
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let mylist3 []0 t( o" {! F$ B* X1 b
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches% u/ _) F) s0 R) Z/ Y9 I' c
show count patches0 d* m5 {% V$ u( B* Y, M
show mylist1
. g+ O, O- {2 y. H' ] show mylist3
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2 h0 G# h g. }2 S" R) V这时的mylist1 和mylist3 应该是一样的 |
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