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发表于 2010-5-11 13:19:52
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用list吧
1 w3 g4 w1 w2 _6 k, ]6 _patches-own [wealth rank]
9 _8 i! ^6 e9 k$ k2 x9 ~to setup% E) r* F ]1 Y Z' R b' u
ca( t" w1 L6 q- S: b
ask patches [set wealth random 100 set pcolor green ]
) z a j+ q8 v X& }end
* d$ j' E' R0 g" \) ~( H
9 ?% s8 E+ I3 Q2 xto go ^/ s( g2 f* U6 H) ?
let mylist1 []; ^% r( ]" M$ y6 H9 k6 C
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches d# F9 y! ^/ l2 J' D, w. p: a
let mylist2 []
3 e" y1 E6 k) G" q) s set mylist2 n-values count patches [? + 1]* R: r; `! X. f$ K4 y' V- f0 R% G
& o0 ^; j( b, k' v% v9 f ( foreach mylist1 mylist2
/ ]1 I4 Z% Z: u$ ~8 o [
7 w8 J2 B, D) o( D1 S: E ask ?1[ set rank ?2]
' X. G& E- u3 W+ l: a( ?9 r* L show [rank] of ?1
7 I+ G. a2 R" q ! a8 W7 q. A: u/ F
]$ m& L- y5 K" j4 [( t
)
* U/ u: {: l$ b% d let mylist3 []4 H. [. i* W: E0 }, {, l: _
- i4 [. j- i/ h3 q) O! `* U set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
2 X3 z. [" J9 q show count patches) X* I$ a) Q" W6 B8 v! _( Y
show mylist1
+ C0 K( X. o' b; v" g' @ show mylist39 Z9 j; b4 ^' }) E: B; E
end
4 N, Q7 I1 u+ e4 ?; N* e: `7 M: v" F: D0 z4 x2 B( q6 c. C5 f
这时的mylist1 和mylist3 应该是一样的 |
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