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发表于 2010-5-11 13:19:52
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用list吧
7 G% ~( T% H( ]+ ypatches-own [wealth rank]- R) s" `. ?5 s2 R6 |% F) {8 {
to setup+ d# T1 t% p8 Y; z6 @
ca: l2 a6 p+ H& L
ask patches [set wealth random 100 set pcolor green ]
; ]. V# o; A/ G4 Mend. E1 T9 P% x! I1 j3 k2 v, T$ l
- Q5 \# B( j4 M1 m8 n
to go3 t! X+ {9 K D! I4 J2 Q0 S
let mylist1 []
. [; k: L7 d0 d) e L3 |1 M set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
4 `5 n! C2 |& r& i% e let mylist2 []
- X" [ v& z% @5 D, {6 f5 @1 T set mylist2 n-values count patches [? + 1]' K" t* j+ i% ^4 V
- J" d* j7 Y/ e: C. ~ ( foreach mylist1 mylist2
+ U+ a( e# j- e* n1 F3 n ~ [1 } x4 D6 ]+ ?# N
ask ?1[ set rank ?2]
7 x$ }* s" E0 F+ ^ show [rank] of ?1' k g* H1 D- I* _2 |2 l# G
$ ^: c; h$ x; ? l" I8 A' @ ]
% V& Z; q) c6 r3 Y: ?9 b7 O9 O8 ] )
+ D6 C8 V$ \ q5 i* T let mylist3 []0 X% `; L- J. i. i n: n' t! [
( {7 ]. H7 i5 }, k3 O9 r1 d# |
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches4 _- e! i7 `$ b
show count patches
$ g' n" k( Y d g# k+ G) x" j show mylist1
( C1 f5 P, y( I0 t show mylist3
! o. r) j- v( G$ B! ?" fend
8 d; v7 Z; C' i3 o& o. a
{! T8 a' b0 ~- k6 A这时的mylist1 和mylist3 应该是一样的 |
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