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发表于 2010-5-11 13:19:52
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用list吧8 R+ p+ B* b' E) N" }4 v
patches-own [wealth rank]% K0 ~3 Z5 q. B' v, d' h
to setup
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ask patches [set wealth random 100 set pcolor green ]
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to go0 Q8 O6 q# I( X/ H( ?/ Y
let mylist1 []
8 Z) e2 n0 i5 W# _* ?- y D set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches/ M! \; ~& N! q; b
let mylist2 []
# T3 F* D7 Y! }1 C$ z set mylist2 n-values count patches [? + 1]5 v# q6 z4 B3 q( E3 R( F& _; s
2 f: I$ p, H& B& L2 {3 Y ( foreach mylist1 mylist2! ^: _8 O5 F0 Z* h$ P. R& o1 K
[! @. _0 g* i$ s3 T8 l8 g" F3 \
ask ?1[ set rank ?2]
9 a$ r1 A! E; P show [rank] of ?1( p' J4 p0 b: k& v% F7 h; P
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)* N7 [ y' H6 s1 @5 x, O# X
let mylist3 []3 t3 Y; d' m* n. V3 X8 ]
4 A4 e) z; g; i# k( X1 C& |; B; n set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches: e- a W- o* h+ G5 |6 k- t3 N
show count patches
0 E2 y, \2 T$ K$ P7 \' z show mylist1 . l5 D" N' e- I) f* E
show mylist31 T: s" B% \! r1 z! |! C6 l( _) N
end$ l; X+ T' `( {' [+ J: D+ n0 p. F
1 C8 {( l, L5 m
这时的mylist1 和mylist3 应该是一样的 |
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