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发表于 2010-5-11 13:19:52
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用list吧
' E, Z1 F5 @& `1 D" G! Opatches-own [wealth rank]+ o+ F# N9 M _& W4 ^5 |" j d1 }
to setup
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ask patches [set wealth random 100 set pcolor green ]
( j" k( u8 s, D; F% v; M! xend
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- F8 a: g& B0 T: y/ M3 T# l( P) Zto go
4 L/ ]% I% n5 R% ? let mylist1 []
$ i( f' s5 l. n0 ^+ s7 v3 O5 \7 `- I& U set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
2 J+ K( Q4 b( b' U) h4 V$ | let mylist2 []2 b1 E: G+ U8 J( W: J
set mylist2 n-values count patches [? + 1]' j. c8 k) ?- K- m
2 ~0 Z* O' \) r ( foreach mylist1 mylist2* U( }' i6 M3 s* f/ m
[
7 F1 n* w, C. I4 w( x- c9 K5 a7 m ask ?1[ set rank ?2]
9 V2 [- f: r' y8 L1 v; L show [rank] of ?12 ]) r( I0 l7 a3 V2 u; d
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' b! R. q7 p O `6 C/ N let mylist3 []
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$ g" w" i3 q( N& t set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
' W. g8 Q' X: u' q8 M* c show count patches
4 T& K# c; n* F: b5 c# F2 s6 }! Y+ F show mylist1 , i3 }2 S2 L& b' | B
show mylist3% l, ? f! f' y' }: b. _
end$ _4 T8 i5 Z$ W# }. w% o6 {
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这时的mylist1 和mylist3 应该是一样的 |
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