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发表于 2010-5-11 13:19:52
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用list吧
' `3 ~9 j& h& f; h) Y/ Rpatches-own [wealth rank]+ s. v+ p/ ?8 r8 N2 E
to setup" D% n6 C Q( V% k$ K+ E
ca
; R- c; T! g* p' P# G$ E ask patches [set wealth random 100 set pcolor green ]! A( \' k& @' M, y: m# c! n7 ]% y( k
end e$ V& {2 p: P( h+ }
: u* g( g }' Q8 t& \to go
s" L2 H) a# W4 L9 }! E0 N let mylist1 []
$ H# Z. Z. J( d* U n set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches/ M6 p7 _( _; T$ L5 s$ _8 r
let mylist2 []/ f7 a, i4 j" _- M% }
set mylist2 n-values count patches [? + 1]% @' C/ Y" v/ |. E5 f! F3 J; [4 g
4 }4 V9 h6 n2 g9 p
( foreach mylist1 mylist24 v9 g9 w7 F! c& ^2 [/ A
[
3 L8 R( E7 a, C1 | ask ?1[ set rank ?2]
" N! R# Y5 k/ _ show [rank] of ?1- I6 ]4 H& ]- w* l1 m% J
/ J' ]' t H! F
]
1 C9 E9 i. I- }6 u, f2 p6 `0 A )
: E+ k3 a8 D! K! D& h let mylist3 []
K1 U2 ?3 A. O$ M K O( W4 Y; z" R* ?2 K: q; v
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
% O! [* A' r6 t) U$ | show count patches
( K0 i0 f$ j" y- L show mylist1
2 H- A' p3 U+ R) w! w show mylist31 H$ k, f* V; w9 ~1 {1 w: O$ [ [
end0 P1 y1 b$ F, a4 p; p4 u2 Y: e
o8 A/ T, j1 d1 Y
这时的mylist1 和mylist3 应该是一样的 |
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