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发表于 2010-5-11 13:19:52
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用list吧
+ h7 { |/ P; d0 M: T- ]' S: Epatches-own [wealth rank]
+ A/ p, H; j* C6 R" K& Mto setup* Y2 ^7 H% P4 V% h7 z1 o
ca" ?' A: b% t8 l8 ]6 n3 u
ask patches [set wealth random 100 set pcolor green ]8 |5 z) i/ t" `, C
end
% m9 x. z/ Y' W7 f. ], n T
* r) S/ T& T9 Q' fto go
. ]8 \" V) {6 D! K) S let mylist1 []
0 V1 a7 A; V! [) b* I set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
$ `. c4 [5 `7 ]& P: U let mylist2 []
* l5 R; }* O) F* K set mylist2 n-values count patches [? + 1]
7 b$ g3 U% G5 U0 e& v4 a% ` * D' D& f5 _$ Z# D
( foreach mylist1 mylist2
. E) X) Z) V3 y& Z [
0 T! t9 T e) j7 |3 x$ I' ?5 ~& | ask ?1[ set rank ?2]
/ L, c$ b# d- O5 S1 i1 _3 P show [rank] of ?17 N( \4 w3 m& e6 \! |+ j
: v$ Q2 a& _! D% o. b ]+ P/ i) R9 Q$ d$ R! H
)
0 a" @+ D5 A3 r& z \/ N4 i: v. t let mylist3 []
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
& {7 S8 a; H% y3 {2 q show count patches. L; y& I" S: j3 ?0 \2 Q h/ ?( \& A
show mylist1
{' p. Y$ Q! I* c1 p( o show mylist3& n1 i) d" |* T0 e# p
end4 m+ V0 N7 r' O6 A8 A l2 K
% ]' D. e4 y( ^这时的mylist1 和mylist3 应该是一样的 |
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