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发表于 2010-5-11 13:19:52
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用list吧
- I" h" S- v% k( spatches-own [wealth rank] C2 k& f, u/ J% M5 y8 O. j# p3 r
to setup
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ask patches [set wealth random 100 set pcolor green ]$ v3 s7 J# l# N
end
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let mylist1 []. o; U0 l+ f* n9 |4 X! w" B3 G: q1 K
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches5 b5 s* Z% G3 {- Q
let mylist2 []
; q& C1 F' S* c N5 h0 t0 l set mylist2 n-values count patches [? + 1]
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( a. Y) z1 ?& u' ?/ {) c- l ( foreach mylist1 mylist2
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ask ?1[ set rank ?2]' j2 Y: ~! P& R N0 z2 j
show [rank] of ?19 E0 W' V' l5 S% h7 Y- ?( G! k5 C% O3 J
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let mylist3 []
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- A" B7 i$ L/ q: E0 k X: e1 P set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
0 ?; M: q" c8 }6 R( K& ?, ~$ b show count patches) i* W# D o3 L. j3 n
show mylist1 4 [4 P. s0 G6 U" F7 \
show mylist3
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1 ^9 k: f% E g: P1 E1 ~0 e* Z$ }. [! c: D; u
这时的mylist1 和mylist3 应该是一样的 |
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