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发表于 2010-5-11 13:19:52
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用list吧
$ @" j# F: l" R# Lpatches-own [wealth rank]
9 K# K$ P( u+ Ito setup
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ask patches [set wealth random 100 set pcolor green ]
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' e' O2 T a; I2 E+ x6 n( c. Fto go
Q6 A5 r6 m) S# j5 X, x let mylist1 []
$ G, C5 v2 \3 E+ g8 d; K6 m set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches8 ] o/ b3 {/ U5 R6 A
let mylist2 []
9 p, G) F1 ]7 p$ \" k' k set mylist2 n-values count patches [? + 1]
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( foreach mylist1 mylist2
% d4 H* o- H" c [
/ }+ m/ i/ W/ J" p ask ?1[ set rank ?2]: n+ _. U5 _% Z, v
show [rank] of ?1; A; M+ i5 A5 \( v5 A/ {5 h+ G" @" u
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let mylist3 []
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2 P% R' P( Z0 o0 b/ G+ r, ^+ u set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches) x0 X u1 P) @ _9 j
show count patches
, F2 i9 i+ ~) r* x show mylist1
' \, q; i6 X& W7 h: n7 A8 g show mylist3+ _6 t6 b' b. l& w& p* ]- M# {
end
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3 K0 j$ k, N }0 K: a这时的mylist1 和mylist3 应该是一样的 |
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