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发表于 2010-5-11 13:19:52
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用list吧
: _. m+ q6 @( H. r( w% l" cpatches-own [wealth rank]
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ask patches [set wealth random 100 set pcolor green ]
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let mylist1 []! i. Z/ B4 Z# `; W3 e) |' o
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches& ?+ n# n1 I8 _8 G
let mylist2 []
( }1 n- ^0 a. a5 e1 c, M0 W! W6 i set mylist2 n-values count patches [? + 1]. `3 t1 A* K+ x# r3 ^, Z0 [
* r/ J% f, v+ j+ b ( foreach mylist1 mylist2
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ask ?1[ set rank ?2]2 e) l4 Y" a8 v
show [rank] of ?1
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( O, A K8 j) _ let mylist3 []
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches6 r- Q0 ]& k5 d$ D, ?& C# [
show count patches
2 g* U- g$ h' m" ?/ u show mylist1 & g0 {. @- U- R; U, j2 {
show mylist3! J' h; {, j4 ^( Y2 _) x$ P
end. e3 Q1 ~* H: o* d6 Y6 y
$ C* |, R4 f' ]9 W$ R4 }; A/ y d$ O这时的mylist1 和mylist3 应该是一样的 |
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