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发表于 2010-5-11 13:19:52
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用list吧
* M# x- T: w3 l5 z. {8 ?: upatches-own [wealth rank]- l! P4 S% N! Z* S7 }
to setup4 t& ~8 P. |, p- [2 h& o
ca8 d: i: R0 l! e, J3 W; x( k+ ]
ask patches [set wealth random 100 set pcolor green ]/ ]7 k: c/ ]; P Q7 a
end
9 H! y4 o. z' I
4 o, A, y: C S1 Q$ f' Cto go
7 D0 h- F1 `. }; |# y let mylist1 []8 P3 o' x) C* h' D% f. K
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
* ]5 v# x; Z$ r( t/ z let mylist2 []" @9 c5 v. t5 P( h8 H6 s
set mylist2 n-values count patches [? + 1]
: G, m% o4 _2 S G6 P# Z$ V/ U5 [4 I
0 m- ^7 k+ ?) A y6 H ( foreach mylist1 mylist27 @' Y0 G' W( \3 ~
[) l, ]$ k: g- @
ask ?1[ set rank ?2]
! n/ f d$ ?% @6 J6 I1 d. G$ Q show [rank] of ?1; c9 |% w* ~7 ]8 O) B
& d6 g5 D* H! f ]
! {4 A1 Q+ W! Q7 D! J/ v )$ C+ @3 [2 l9 J- j( z! {4 j% @
let mylist3 []
( Q3 |4 ]$ }, v1 G* u 9 b( P/ j/ p, f
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches0 ?* i; B8 m6 X- c8 | _
show count patches1 ?% C. m( B( H" L- {# Y, _ c
show mylist1
. }: k2 [& q; A& j2 f show mylist3
- w3 A& J( e; C G) @/ |5 Vend1 [' [+ J* h0 y( h
# V) Y1 a8 X: W W0 y# x
这时的mylist1 和mylist3 应该是一样的 |
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