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发表于 2010-5-11 13:19:52
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用list吧
1 \/ _! |# I* m9 P7 lpatches-own [wealth rank]
' `7 O" Q( f. G# Q$ |0 B/ h# |/ eto setup
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ask patches [set wealth random 100 set pcolor green ]
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let mylist1 []& {. l9 {* g/ C+ G2 v) [0 R# X& M
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches5 v: o/ G a; t B1 E1 |
let mylist2 []! f& [) E% j; ]8 L
set mylist2 n-values count patches [? + 1]
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+ H2 D, Q$ k/ f- l ( foreach mylist1 mylist22 o# [! p0 H1 v8 x1 c5 k3 ^
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ask ?1[ set rank ?2]
7 a2 g0 Z5 L/ t( q9 L, Q show [rank] of ?1
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let mylist3 []
/ m9 p1 }: `* Z7 c' {0 ?
; S4 M; J' @9 P" B/ [! c: }+ m set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
. o" ]( I$ w' ^3 D$ A8 ` show count patches W+ i) g7 T% Z. u0 v4 L9 L d
show mylist1
7 N# d8 C+ |8 j3 P' }$ D1 z show mylist38 w; E; O( A5 V, |7 L
end6 O, Q9 P j- O' E2 K
% a3 W2 f. c1 l8 }这时的mylist1 和mylist3 应该是一样的 |
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