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发表于 2010-5-11 13:19:52
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用list吧
/ X v) `4 Q4 f8 l6 _# S8 \, _patches-own [wealth rank]* y! W$ y3 N: X( ^, C* h8 U
to setup1 ]* t2 U- \! ~+ h
ca
8 D: g3 D% T1 {! t ask patches [set wealth random 100 set pcolor green ]5 u& S/ |) T; m3 w' F8 h( p
end4 t5 C. p* x: ], a! s( E3 S
' z% h; Q1 H3 H2 n1 _& g3 Yto go
( ]4 @' ~0 o) s3 H; u let mylist1 []6 P( U$ ^1 P# `+ i) G
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
: e0 ]/ o- w. x' q( M let mylist2 []
& j ~+ B, w; {+ ^7 I7 R6 U set mylist2 n-values count patches [? + 1]
. x& c/ `6 h! o% f0 S" ~
" C, f+ ]7 m6 C8 W ( foreach mylist1 mylist2
* [ ~7 r9 ]# }) R. W4 i. N, B7 G [
& ~- z' g7 G/ K/ D: H' O! B ask ?1[ set rank ?2]9 e( q1 r, m; Y4 S
show [rank] of ?1
0 L z* [2 k0 R' ~ , f9 {8 C" c! v: v) T$ ?' A+ x
]0 c; z' B7 [8 t2 V
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& r# ?! Z+ D+ _7 }" F+ A' f3 ~0 M/ a let mylist3 []- n% v, F% {9 d7 M g
9 S# i: | q3 n
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
, ~1 z& ?% X- Q" o9 n( O show count patches0 G/ e4 p' m+ L
show mylist1
1 l; S. v5 o6 z. V- ? show mylist3& _7 J) e- R; [2 L! w4 _
end2 _* _' l/ V4 S3 u5 L
' n$ G" `2 t! S- p这时的mylist1 和mylist3 应该是一样的 |
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