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发表于 2010-5-11 13:19:52
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用list吧
: f2 i: d3 }! U( B; a8 Spatches-own [wealth rank]; H1 b" L% a/ T$ T- i5 ^
to setup* r5 a+ K& [! E& ~# o* c! M
ca
% U S7 z2 B0 T8 a8 o+ b) Q6 e# q ask patches [set wealth random 100 set pcolor green ]# S9 ~0 x& k) q, S1 [
end- a# [8 U5 v3 Y
5 ^& e6 e% h+ Y5 f9 @2 `# h3 Nto go7 |) v9 [+ p* H
let mylist1 []
5 {/ R- I! a# Q set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
1 ]5 G; b! T8 k- ^: A let mylist2 []3 K$ @* O9 }: k+ V/ L1 Z0 e z9 `% M
set mylist2 n-values count patches [? + 1]
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; s& W4 h& x& W. I4 p& ]& l ( foreach mylist1 mylist2
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+ i+ E- W' f- ? ask ?1[ set rank ?2]
9 m ~4 w# i4 ~1 f% n. W/ u show [rank] of ?1# ]/ R0 ~1 n5 m4 x% P2 j7 V
, x8 |8 R# h8 d+ ?2 ^" e' s0 ?' x
]; Y6 }3 } \; R3 K( M/ D' a
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let mylist3 []
/ n) z$ t8 G+ y, n2 U; o' l P , [2 W1 Y5 n+ V( b% q0 m
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches& b" \, F: B8 t& U
show count patches
, Y) J# x' Z6 { D9 Q/ D show mylist1
# s {( D- T: D# M5 X show mylist31 {, v0 [& ^' m$ j/ Y: f+ ?
end
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% i3 _ [! w7 R- ~6 |( R这时的mylist1 和mylist3 应该是一样的 |
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