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发表于 2010-5-11 13:19:52
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用list吧
& m6 N u" i, epatches-own [wealth rank]% T& R8 N8 F; N" D/ W# F8 G
to setup
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ask patches [set wealth random 100 set pcolor green ]8 _* d9 L+ O8 I
end
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+ u+ g9 T3 V, |' t1 \4 o) W! _to go
- t3 m) C, A$ ^4 t! k let mylist1 []# u# @( ?) Q' l
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches6 I* ~- g+ F, Y
let mylist2 []1 w3 J$ ~3 [6 O$ k/ T
set mylist2 n-values count patches [? + 1]
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Z$ a3 M1 \/ w) e+ @9 I" U8 A" ~ ( foreach mylist1 mylist2' d4 s% t$ p G: S" i: q
[
4 ~9 n A, Z6 W2 Q7 a ask ?1[ set rank ?2]! V0 a+ c! J' h, N; R7 q* ?( N
show [rank] of ?1( N& v' D- p9 [9 Z! q
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let mylist3 []' k" }/ Z# o6 o2 x; Z' p
4 _0 W: w0 W- {( S set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
% R# V5 R0 L) V! ]4 N0 ~2 u. {) a show count patches
8 X: ]) m: [( a show mylist1 9 d& }9 v9 D. q
show mylist3" d4 K" \; K; f$ V7 C7 S
end! `2 r+ r6 f( p3 x) \6 U
4 o7 c* n& o8 V9 f6 G这时的mylist1 和mylist3 应该是一样的 |
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