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发表于 2010-5-11 13:19:52
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用list吧
6 o2 p, E4 U& x$ R; gpatches-own [wealth rank]2 d" u- r5 }( n: z Z
to setup
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% Y4 ^* _0 c% G' K0 ~3 B6 i ask patches [set wealth random 100 set pcolor green ]+ e4 q" O4 V* |) n
end
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% U$ p5 @' x5 w3 o9 A4 R+ J6 |to go
$ u1 w5 j6 t2 Z1 H2 q let mylist1 []
1 b3 [/ R3 Z% h- t8 d, a& N set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches! E8 h% S/ X' ~% v$ V) T0 h
let mylist2 []
. t$ b9 y: M, f, m& L" H$ g- i0 ? set mylist2 n-values count patches [? + 1]
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' R( S# f; p: y% e6 l, _# D, r& j ( foreach mylist1 mylist2/ w' n" g |. O4 \
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ask ?1[ set rank ?2]- ]9 \2 H* ]+ r# p* R" ?
show [rank] of ?1
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]
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+ ?% v7 l- t) C/ m) H) c' e" x let mylist3 []
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
, v" g @3 Q C show count patches Z) I [, r) z3 v+ w9 H
show mylist1
?0 V. Y7 ~# ^5 n, g5 q3 ~. C show mylist3% z4 r" ?# x( \0 ~% `3 s
end5 o. N1 b5 [2 E
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这时的mylist1 和mylist3 应该是一样的 |
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