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发表于 2010-5-11 13:19:52
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用list吧
) v0 f0 S- k/ V# q# M0 M0 d# spatches-own [wealth rank]
$ f& f, R2 P, p1 _) Bto setup6 ~8 x7 P! o+ N7 ^3 B" N7 O- p) h
ca
# W$ t% x/ y0 m7 h ask patches [set wealth random 100 set pcolor green ]2 x: K& P7 K' X
end" u# |6 M3 ]6 n$ d7 v
! t8 b8 v/ h& ~to go9 u2 [; k$ w# U" X2 u
let mylist1 []8 @: t" p$ O5 z
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches9 ]/ O- X9 g4 V" J% C% M
let mylist2 []
/ }7 o$ J. X3 x9 H5 f6 K7 b set mylist2 n-values count patches [? + 1]$ f- r5 i) Q- }: k
& n* ]; }% n$ b% v
( foreach mylist1 mylist2
' [7 n- Y) l/ p [& t* L$ H& p6 }& M- t' T' m$ w
ask ?1[ set rank ?2]
7 v# b. o: a6 |( G; } show [rank] of ?1
8 p) H+ u+ o& [' [) j% Q [ # A" L) H/ V- F2 G) u. z, J
]
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let mylist3 []+ ^3 y, | _% _) k& y6 m
( A5 r" {4 G2 c4 k# u. Z set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches9 ~0 s! c G3 x2 K, W
show count patches
# V- M, \* z$ v5 s! H- K show mylist1 8 m" }- x4 Q" z. h( K. V5 o# y' `
show mylist30 S( Q" v* j. Y3 i! y2 x
end
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8 w/ X r; _/ j7 s4 c2 D0 T这时的mylist1 和mylist3 应该是一样的 |
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