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发表于 2010-5-11 13:19:52
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用list吧
% w: A5 d8 f- B7 W# Jpatches-own [wealth rank]
6 q* W, M9 W# g+ Vto setup
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ask patches [set wealth random 100 set pcolor green ]
! ~9 N: Z! n5 d9 ?, zend% [4 X/ I3 X* |) C# O! q& K
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to go
1 B: I/ [% ^. n" t' m& L& g let mylist1 []
( Y2 E2 Y" E9 \* I set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches; A" a. a4 |2 y, O A4 c
let mylist2 []4 a* c2 a2 j1 f6 n. z7 p' X" H5 w; j
set mylist2 n-values count patches [? + 1], j) f, D, {9 b- ]
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( foreach mylist1 mylist2
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ask ?1[ set rank ?2]/ ^0 J/ q5 y {
show [rank] of ?1
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let mylist3 []
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
. u) D2 u7 v- G2 b: j7 Z show count patches6 n3 O, n. e- y- j. P+ K j
show mylist1
6 m/ \8 q1 L" w show mylist33 h# x8 @! g% b1 m
end0 i, M* B8 X& }' U, s6 K o
* x9 z* v: {9 `# F7 f这时的mylist1 和mylist3 应该是一样的 |
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