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发表于 2010-5-11 13:19:52
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用list吧
# q! `6 ?6 D) K0 bpatches-own [wealth rank]
& @# w1 _' r$ f7 p# A0 e$ q6 jto setup) ]. D; _$ j1 E
ca9 ^8 {3 C3 ]6 `6 I
ask patches [set wealth random 100 set pcolor green ]& f3 v( {6 k1 M E }
end( c7 J" n1 r( R9 N2 v! f
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to go$ c6 u+ e7 T7 h0 n+ r
let mylist1 []4 L O# S& k5 K; E$ v
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
( d: V2 c, W7 c; K let mylist2 []
4 V* C( z% G2 M8 X! ? set mylist2 n-values count patches [? + 1]/ s( g% h- r" X4 l0 u/ |
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( foreach mylist1 mylist2
1 d5 M6 I3 y1 X7 P; ^! {3 C2 h d [) m5 K+ _4 n' u, s5 C
ask ?1[ set rank ?2]
3 `2 ^ W0 m3 O- ~* q( w$ d0 J show [rank] of ?15 b$ d& {+ I( o1 ?& e: e4 M
l9 P c% M. r8 f; }. t; W1 l ]
8 H! T( t; r9 z. Q) S0 E )
/ W" g6 o: }( g let mylist3 []( Q. B. z! ?( X4 i7 }$ Q
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
/ v) Q, c- G) I7 E/ I( z# i show count patches
1 W* w% ^9 {7 j# S0 K show mylist1 ) Y4 w& r) h- A. D! p
show mylist33 {1 g7 V5 Y2 k1 u
end
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这时的mylist1 和mylist3 应该是一样的 |
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