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发表于 2010-5-11 13:19:52
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用list吧
% V/ K# ^7 G# ^- v H# L. j! |patches-own [wealth rank]+ a! M4 ~3 C% K; ]; @) z! s
to setup
. H, j6 h6 O |( P ca
( d3 c9 O) A! V5 @ ask patches [set wealth random 100 set pcolor green ]
+ {) \: f' c# C! w- [8 W( send% S) ?0 ]: F2 Q8 @) k: G0 m4 t
# |! ` Y8 F; U5 |( C5 sto go# P+ @2 |' L8 Y* X& _7 p! A& h
let mylist1 []! o' W! e$ ]1 d4 ]8 b$ y: s! \
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches0 r4 A$ p+ n: v" d
let mylist2 []7 C, G- N2 J9 q/ W* e& q" s
set mylist2 n-values count patches [? + 1]3 M3 d; D4 F) W$ y% u! J/ E% g' C
0 @4 T! U8 r+ K8 Q* `) b: j ( foreach mylist1 mylist27 M) ^3 L$ _; j' t
[
# \3 s' _, r3 _; B* h ask ?1[ set rank ?2]
' D& }. O$ J" k; k0 P show [rank] of ?1, o9 M; _# d3 y- {4 V
/ ?0 g+ M8 {, `# o( o! n
]0 a, i7 Z8 b) h# v5 K7 o
)
9 d) o$ g, V/ J, j8 p; i. D let mylist3 []
, L! b4 Z7 {- B) V' e; ] ! u: ^* b. u8 P/ k5 M! a( W9 m6 m
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches9 l4 {1 G, {! i, E" _0 Q& a! _
show count patches
$ n& y5 e3 v9 a4 _ show mylist1
% g$ T8 L4 m/ V( `6 x& g7 h2 w# A show mylist3
2 l K% e3 K+ U, E. vend
# M5 Z7 D0 ^1 a
/ G! m* ]; e4 D, f0 o9 A$ w这时的mylist1 和mylist3 应该是一样的 |
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