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发表于 2010-5-11 13:19:52
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用list吧
( O* Z2 w9 ^9 h$ Zpatches-own [wealth rank]
; k6 @/ B4 K! R) }) G5 ?to setup4 P# {, U( \( g1 _6 ?
ca& r% c. b9 F. K# g" e
ask patches [set wealth random 100 set pcolor green ]* `3 {& [0 K1 N, Q9 c0 I$ E6 Z- N9 e
end0 S+ |+ m, \ I2 |9 d
8 ]! S2 y7 Q X. kto go
6 ^* Z. I7 r( e( W8 j let mylist1 []! X/ B2 Q7 M, C( r. g
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches2 `3 g2 _+ a$ _8 _9 W; q5 n! \
let mylist2 [] P- G$ O4 L1 \1 ]# i# ? S
set mylist2 n-values count patches [? + 1]% a9 h. f7 C4 [% r4 {: e
" m2 e) c' y% w# z ( foreach mylist1 mylist25 x/ u$ ]6 k! q3 `& g# W6 K
[
; i9 i% D2 D* b ask ?1[ set rank ?2]
7 P4 f: y$ M+ U, n: [) O! }; g- d7 B0 ? show [rank] of ?1
) ?- M7 h q. I/ \- s* N2 t+ \ # e1 r+ v7 X) V4 G
]- b% c7 y) r: ]( [: O2 R
)
9 C2 L$ X# D- ?# G) s+ ?! I: p let mylist3 []. g$ M. d) L1 [- O
+ m( i/ k9 B' `- | U& i2 r } set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
2 l* F4 d; M4 _+ W3 U show count patches
8 A6 c0 n" l. | show mylist1
* J# ~3 L. Q7 O5 d3 P2 ? show mylist3
) a( ~- Q; I* F7 r' @/ l, @ W% Vend
( e% c$ V$ u6 b9 T; x
* D) z d! C& b: I6 B, U这时的mylist1 和mylist3 应该是一样的 |
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