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发表于 2010-5-11 13:19:52
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用list吧
2 v1 g$ x3 M" e1 n8 H" N6 m: ^patches-own [wealth rank]
$ m- H* W2 X) P* gto setup
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# R# I4 A' B: d' T ask patches [set wealth random 100 set pcolor green ]
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to go
: b& e$ V( H- [7 A0 A let mylist1 []
' w' A ]0 _ s2 @2 w" g set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
. n/ g& T+ \% f7 e+ ^ W let mylist2 []
% o Q7 ~5 ^: H1 K6 S set mylist2 n-values count patches [? + 1]
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( foreach mylist1 mylist26 r+ H. i9 b' O/ Z, R0 V' P0 ?
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ask ?1[ set rank ?2]2 G6 ^$ k4 j; X
show [rank] of ?1+ Y* P& r, |; v' i6 C/ K5 ?
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)
# B ?* `+ b) d2 J let mylist3 []; ]% a. [1 k% o+ d8 B3 p
: `, x& G o! u set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
" q& u3 t3 {3 M2 p1 A, g- J show count patches: v+ }3 ?, ]0 F9 {5 n
show mylist1 9 {+ M" }+ R$ O9 h: t
show mylist3+ X2 ]. U; T4 ~) a7 v
end
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这时的mylist1 和mylist3 应该是一样的 |
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