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发表于 2010-5-11 13:19:52
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用list吧
. V( x" T. u# E& Q0 Fpatches-own [wealth rank], @# o2 t. t% V# K2 p) `2 B
to setup' ~# |& E s3 g$ O( z4 T: E+ Q& G
ca. r o0 |$ E) s4 e; R6 R
ask patches [set wealth random 100 set pcolor green ]
0 i% W( Z ^. x$ o! Y4 Q% H4 n+ Lend' o4 \5 g4 d& Y% j- r6 D$ l
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to go! a/ \8 j0 l# K) H2 n# y2 D
let mylist1 []- Q# P2 D) k5 V* w0 ~
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches5 b2 J5 C5 |1 e% O
let mylist2 []
$ a. k5 K0 _3 \1 |- E# n* [ set mylist2 n-values count patches [? + 1]
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, x& r" O4 t' r; ~# |7 z- j ( foreach mylist1 mylist2 E! _6 b. L: P% \2 k; q3 L$ R
[8 _! j3 F1 E, V1 |, {
ask ?1[ set rank ?2]! c$ l- n- }+ r* N: L
show [rank] of ?12 a# q. v9 d; \1 Y: s' T# ^" t0 A
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let mylist3 []
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches3 z6 S. n6 D% q. S3 O
show count patches: J" j6 W/ m& W
show mylist1
5 B. l4 \3 @, ^, U$ o! \ show mylist3
, Y# k i: W) b4 K7 o) kend. o5 y3 k% a; L- x
% ?) f+ L# \9 K3 m这时的mylist1 和mylist3 应该是一样的 |
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