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发表于 2010-5-11 13:19:52
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用list吧
% t0 ~, {2 q7 J1 R; ^) Ipatches-own [wealth rank]
+ ^" T1 }% _9 I2 x+ S5 G1 S, Mto setup
% \1 w" O/ c0 R ca
8 I8 u- k- Q9 ^0 L8 J4 ~7 u ask patches [set wealth random 100 set pcolor green ]
6 [9 F2 J* Q+ O9 p A2 p1 f4 Yend/ X% M" W7 d/ Q( e
& U I; J$ T" g1 R' A5 Ato go
! R+ y& p6 \" ]4 S7 W7 U let mylist1 []) r" N8 O6 [& E7 D* b/ K
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches( K# {* z3 S1 H6 H& X% L+ |
let mylist2 []2 k0 l) _0 D5 d
set mylist2 n-values count patches [? + 1]
6 ?( p; A' P3 }7 G% p) {4 L
$ ?+ {2 B: ~, m4 \ ( foreach mylist1 mylist2
( }" x) C0 f3 e [! b6 g8 p% G) V
ask ?1[ set rank ?2]0 s( c2 E5 I) B& [5 ]
show [rank] of ?1
G! ]+ I, M7 w: g2 W" h1 v6 T
3 X% C: I& {) f: j ]/ L- `3 F* q* u4 i
)
& I1 ]# {* e1 C, C+ u+ ^: w" s2 k let mylist3 []# a& `. ]; m0 \0 U# Y) W* W
2 w' y4 p5 p! H# W7 E* V! v set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches2 T" D+ [ F& I* }
show count patches0 O% N. a1 n) V! J6 x2 N
show mylist1
' O( ?" ?$ H8 S/ P# s; g' | show mylist3 U0 `( ]2 M, X
end+ L- [ ^" q% j% e
, W% l3 {$ }0 q/ h: }. |( K1 a
这时的mylist1 和mylist3 应该是一样的 |
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