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发表于 2010-5-11 13:19:52
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用list吧. Q2 w, z" ~1 l7 y I
patches-own [wealth rank]& W2 t/ A7 b( v3 G5 ~+ S, p) Y
to setup
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ask patches [set wealth random 100 set pcolor green ]" a- J3 ]) P: w( p' r' z
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to go! i( `7 x" \5 t V, r
let mylist1 []
3 i+ @" ?$ R1 b4 G7 M" |6 q set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches, \. R+ O8 z) ~$ H
let mylist2 []" N r+ k! F! X* p0 H
set mylist2 n-values count patches [? + 1] i) ?# i8 P; R- {
% t0 x, u, h G/ f7 B ( foreach mylist1 mylist2: e T4 e. w, ?' }; [8 j7 G( q+ m, }
[
1 ]$ @3 A( c3 R! T ask ?1[ set rank ?2]$ h8 ^3 c+ F0 g1 R8 G ^
show [rank] of ?1
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]
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let mylist3 []# Q N, Q% Q+ Z0 ?+ o; J
- h; R' ]! H; u( Z. ?9 p$ I. g0 | set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
& }+ e. H7 p N k, e1 ~ show count patches, s4 t5 j$ t3 C( D
show mylist1
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这时的mylist1 和mylist3 应该是一样的 |
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