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发表于 2010-5-11 13:19:52
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用list吧 N$ E f; K1 N1 x1 i, O
patches-own [wealth rank]/ d1 n" Z- [; g
to setup3 @5 k& ?$ r3 b& H g- y, G5 `1 r
ca
* Y$ r/ i [# J& `! ]3 x1 K ask patches [set wealth random 100 set pcolor green ] l6 `3 ~; r1 R4 G9 |1 @( M
end' u: b9 H+ ?0 k u- ] {1 E
k' l2 \! d$ ] ~to go
& c# Z' `" P* [' ? let mylist1 []2 L' p# V1 F3 z8 A8 |
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
/ }' S+ C I8 U- G" ?1 M w let mylist2 []$ M9 V! `# Y' j( L0 `* E
set mylist2 n-values count patches [? + 1]: s# |9 @" Q. |
S2 m# }3 V6 Y. D1 v* r# Y9 R ( foreach mylist1 mylist2
. j. \# q6 B g8 Z [
! P) X3 y) A1 h" u2 p ask ?1[ set rank ?2]
0 f* e* {- O9 A% i5 f show [rank] of ?1
; F" e% X! G5 V: r" h* o
" g. \7 A# j7 M9 e9 Q* \ ]
# o* G/ l$ ^2 S )
) F; ]6 G2 B% f0 t/ {1 O1 D let mylist3 [] S! I8 p9 w7 T6 [2 v
! [& B2 W& D, a4 D; C3 l0 t$ J set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
; z1 m, M: N. `$ |' g1 u show count patches$ P! M |7 `. k$ q( a9 _: z V
show mylist1
% j5 C P7 q, z show mylist3! f7 d# |& y$ k0 Y+ F8 u5 w0 f
end8 n6 {$ p% e) W/ y F" i% n- X
0 J) a# v3 L4 S: g; @1 X这时的mylist1 和mylist3 应该是一样的 |
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