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发表于 2010-5-11 13:19:52
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用list吧
4 c# a1 i! B8 r% c, Ypatches-own [wealth rank]
3 e% t4 _% S& [4 @8 oto setup
( g) K1 Q5 w- i* A( G5 b9 M& d ca; G7 Q7 k: G# t
ask patches [set wealth random 100 set pcolor green ]
* L7 p3 G& h7 ?9 Q' yend
! @1 Q* C+ e: `* ^. {
1 h; L3 w; q- u8 qto go
9 F8 b7 U$ W3 ~7 n2 Y2 a let mylist1 []. ?- a) i; D, T2 j: F
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches# h6 u& ? K; Q2 {
let mylist2 []
$ p- y6 `/ k3 X. ^ set mylist2 n-values count patches [? + 1]0 \3 ?2 t* l! i/ _: t# t% V' i
9 }: v+ @8 m! v( R. b" N+ D, I& [
( foreach mylist1 mylist2& u) z, l/ H, h* I. B' r
[5 I2 W ~' K- q2 g" c
ask ?1[ set rank ?2]
* o6 b7 x& Z8 Y/ S7 k! m show [rank] of ?1+ Y, k- h' r0 c: n% m8 P1 m
8 z7 k' l7 I& C3 J B5 x7 r
]
$ j5 a) F0 y" x )
' B0 w# o7 N$ _: W* }' F let mylist3 []. O4 C' r9 v4 K
* V; ^+ ~ _! L/ d6 \0 k set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
* |* r' c& B( Y( B7 d, j' y show count patches
2 `. ]& ~ Z; C! [9 W2 ?1 \. r show mylist1
; I' x9 _8 w2 E$ v show mylist38 `1 e4 E% k( C/ Z( {
end& B- ?) {3 D8 w0 Z. y0 _6 V+ \1 F
9 v0 ]; e. R* q( k+ k
这时的mylist1 和mylist3 应该是一样的 |
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