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发表于 2010-5-11 13:19:52
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用list吧
/ `1 Q7 G2 P. j; V x- D6 ]3 gpatches-own [wealth rank]
* x8 w3 d5 u' v( s7 g; oto setup) g4 I( Z" O1 [+ H; T7 u# d
ca
7 d i9 A6 F' x/ s6 s! R ask patches [set wealth random 100 set pcolor green ]+ }7 N/ ?: }9 P- p
end
1 \% n$ o) `- o7 a' l- ~9 b
4 e6 Q: C6 V. o6 I4 o+ Bto go; ~: W: R P: J0 g2 \) V
let mylist1 []
' ?0 x7 P j7 c" O3 [# @" u set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches5 n. ]; N+ E! I: a2 {" D4 k. P9 B" q
let mylist2 []
O8 s/ a+ e) k( E, i2 V' x7 m set mylist2 n-values count patches [? + 1]
; |9 T( b" e& f 8 }( [0 {- i) v( _4 X. r
( foreach mylist1 mylist2% j0 c5 Z! l6 P5 W; l
[
+ K9 a3 [5 u. _- w: Y ask ?1[ set rank ?2]
6 B4 Z* P! q; X; m ^+ [/ L show [rank] of ?1" N5 u- y* M8 [2 Y |6 Q
( i8 y3 ^% t0 S ]: w0 z3 n f' j, _( h
)+ l: [3 Z* }# @
let mylist3 []# X" f, ]" {0 T- G, t# b* V. F1 d
, s7 R+ o# v3 D) ] set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches8 s$ }; l6 {# t0 W
show count patches/ E$ w8 ]4 {, O& \8 |0 ~
show mylist1 2 w G$ v$ b7 g* O
show mylist3: b9 x# c. B" x. `9 Z' k
end
& _$ g' W% K" W$ z
$ \1 z+ j1 b$ l3 x这时的mylist1 和mylist3 应该是一样的 |
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