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发表于 2010-5-11 13:19:52
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用list吧
2 H- I E% j# H' j8 kpatches-own [wealth rank]7 v2 w. z& N. J2 M% M
to setup
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# [& m8 L8 j* f# m( N( _# Z0 V ask patches [set wealth random 100 set pcolor green ]: N |0 n1 m( ^' B% Q5 w& v
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to go
5 |: c9 O: e8 i& Q let mylist1 []8 i D& W- ]" E( P+ E
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
* j3 C4 U/ u9 T6 Q% A! p let mylist2 []) h1 m* z4 c0 @ ]+ F8 ?; m9 B
set mylist2 n-values count patches [? + 1]
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( foreach mylist1 mylist2
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2 s$ f5 |3 D' w. {# T& w! e3 i& l ask ?1[ set rank ?2]
3 g$ `2 x. v. ~/ x+ ]4 b4 U show [rank] of ?1+ e$ O1 @1 }! w' a+ P, \) P* {6 x
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let mylist3 []
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches1 L4 h% s5 f& M: M' ~3 P* a7 l8 F
show count patches
]. p, @+ L+ O show mylist1 # z1 i6 c% x0 g9 ?( ^7 W
show mylist3. e* p n' J. J9 r2 A
end
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7 C/ [. L& @$ t) F I这时的mylist1 和mylist3 应该是一样的 |
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