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发表于 2010-5-11 13:19:52
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用list吧
+ R: C- w( x" }/ q+ spatches-own [wealth rank]
. x0 D/ n1 A3 ito setup, s" U6 C- b3 U. c( ?2 @5 I2 U2 S3 [
ca! C- E7 X6 u& _0 z$ {% E4 \" u
ask patches [set wealth random 100 set pcolor green ]
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to go
, m: x6 h* O" _7 m3 R let mylist1 []: H% g* c6 N" N8 k& ^
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
, l' K9 x" w+ w& s9 `0 u% K$ z let mylist2 []; b9 V- I, D) H6 Z
set mylist2 n-values count patches [? + 1]
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4 M! S o" ]# @# v& V' t ( foreach mylist1 mylist2" h2 w% l& r* T$ [& R
[; o ^+ d# Q0 E* b8 U! _' ^
ask ?1[ set rank ?2]
1 O; v$ _2 R3 p1 }0 T show [rank] of ?10 ^/ f) ]/ G2 n. b4 X
- v# h+ b3 X/ z8 x9 o ]
& T$ w- B; S0 J6 i+ a9 c8 N% B) D )
3 [9 t8 w$ Q' Y. u6 {, m8 `- t let mylist3 []- J' y. x3 j$ U t* G4 u
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches. s# F6 m0 L4 X! a: _
show count patches/ B @5 v) E2 F" u% I
show mylist1 ; {7 I0 E1 Y j6 i" K' m' N
show mylist3- |- `. g# Q$ l8 ^5 s2 L! R% n# a
end. n: [( N" L( K% o. }+ g& l
& V3 h) n' A' M7 w' W) F这时的mylist1 和mylist3 应该是一样的 |
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