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发表于 2010-5-11 13:19:52
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用list吧
) _9 ~3 V( |3 t/ F2 apatches-own [wealth rank]
% B/ A* I" q H$ H8 c# j- l" t) ?to setup) l0 T7 X" A. U
ca' Z6 [3 L+ d7 ~3 A( W
ask patches [set wealth random 100 set pcolor green ]
8 Z$ p4 i3 F! m3 c, I. h. G( eend/ z! l, s/ |: V$ }
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to go
. D) M( h; J" W7 P' j let mylist1 []
+ v5 m2 d$ P& g7 c( `7 F set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches, K. t/ ?9 q6 W1 d/ }8 \) }
let mylist2 []
- V; f4 u! Y0 o3 s' K9 N; U set mylist2 n-values count patches [? + 1] Q* {! b! n1 ~" j4 g* S
+ W3 l4 J) @' y ( foreach mylist1 mylist2
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ask ?1[ set rank ?2]
* P) F8 E$ [6 A show [rank] of ?1
8 n+ y4 d: H" W0 O! U 3 @& S4 y; l" l
]
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/ b6 @; M6 E( M/ S1 q. y let mylist3 []
; {1 d3 x8 B5 H, }
( c/ U4 D! Y6 j. t _' F+ {1 g2 \& Q set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
" h6 @! D* F; [* g+ ? show count patches
L! e; r+ U$ y8 b' |/ p# Z$ J0 P show mylist1
* U6 s# G% E3 N E) v' W show mylist3" b( V! P& e9 G0 M" ]% c
end& f2 X0 I2 M9 w4 K0 X3 Y L P! q
- P2 |1 f$ ~4 U8 \
这时的mylist1 和mylist3 应该是一样的 |
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