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发表于 2010-5-11 13:19:52
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用list吧
7 X" D w3 u! T! Qpatches-own [wealth rank]
) O# ?3 `) n& r) N- j- f& P: Tto setup
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. o, F4 F$ I9 A$ u5 Y% A ask patches [set wealth random 100 set pcolor green ]8 t" t4 C' C) ?0 K
end, Q7 d. N7 b" w3 m
- s$ [* I/ j5 oto go
4 |# Y( d/ Z$ Q, C let mylist1 []! r& i2 O4 i+ V; H8 P
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches0 {0 N8 z2 o% n+ C! L1 j
let mylist2 []
, F, s2 y! _4 D set mylist2 n-values count patches [? + 1]
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( foreach mylist1 mylist2
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+ D8 V0 _. x" l9 j7 V+ y8 X$ ? ask ?1[ set rank ?2]
3 X9 f* x$ I, C5 o show [rank] of ?12 X3 N6 G) i4 U m4 c. H7 y2 l
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let mylist3 []6 _( m: Y7 k( x7 ~: M
' R/ V) A3 |/ T+ ` set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
! o/ U# P$ n v show count patches" G( m, y1 S2 G. M0 L
show mylist1
; ?* @' L @5 ?' z0 ^ show mylist3* X. ^$ x7 }! n0 e. o
end; c* {. ^0 Y; C" @3 [- p
. O: j" h1 T5 d这时的mylist1 和mylist3 应该是一样的 |
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