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发表于 2010-5-11 13:19:52
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用list吧: G& p" u) C3 {; g' }% H5 U: \
patches-own [wealth rank]$ V2 o; p. J4 v& ~
to setup9 R4 n% p8 ~# B4 w& e! o* p
ca
" u7 z( r' u. T+ i ask patches [set wealth random 100 set pcolor green ]
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to go! o) b4 e( i6 w3 e# z2 |
let mylist1 []
4 W; N- M/ M4 p3 p/ ^( h/ k! H) Z set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches/ J- ^+ n/ t' V# j8 g- R
let mylist2 []- i$ L" Y) n6 U. N8 m( C2 A2 \, z
set mylist2 n-values count patches [? + 1]
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( foreach mylist1 mylist2
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ask ?1[ set rank ?2]
8 W+ t4 a* r% P& \+ M5 B show [rank] of ?1
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let mylist3 []& x& ?# m) j& N5 p3 F! E, z R8 X
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches: J) ~8 b: D2 E) |
show count patches
% E: _& B8 a" f/ H/ L* R show mylist1
9 W8 c0 b, P u show mylist3
e/ G. ]4 U1 V# L1 R1 g. ^: V hend
2 G; s- e0 [% `
9 V! e* }1 D8 P9 A0 ]这时的mylist1 和mylist3 应该是一样的 |
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