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发表于 2010-5-11 13:19:52
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用list吧' f4 C2 |% L! n. Z9 D1 c3 W/ n
patches-own [wealth rank]8 |( [: v% S( k; b/ M( C
to setup
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4 e; w3 v8 B. f: c5 R6 \! a ask patches [set wealth random 100 set pcolor green ]
9 \5 ~7 \. a: \" Nend
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# e' ]6 p) f/ X5 ~9 Y G0 Sto go
- c; X( c# F$ a5 g' F* o; `# H let mylist1 []
- `: O4 h+ W, A3 n. h7 q0 `/ p set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches6 `! z/ r* n' V/ m; d
let mylist2 []7 [6 S: s' \5 |4 n5 g6 {
set mylist2 n-values count patches [? + 1]
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; E, N0 D7 h. V2 f: e- n' ?* F ( foreach mylist1 mylist2; R8 O8 m: d6 W; `: B# V
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ask ?1[ set rank ?2]* k7 H2 p# |% {/ N
show [rank] of ?11 k5 s+ b+ B4 N& I
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let mylist3 []7 v1 ? H4 C' U
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches' ]* ]5 U. X. N% u+ d" N l
show count patches
0 ^: g* M1 l- v( G. e show mylist1 " ]' b" ], G; P: K$ Z3 I
show mylist3
& K: ?1 a- i: t, p5 a% [1 uend
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这时的mylist1 和mylist3 应该是一样的 |
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