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发表于 2010-5-11 13:19:52
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用list吧" L& E( d3 `$ _; \8 U
patches-own [wealth rank]
, d4 j+ m8 r+ N1 U% W( Yto setup
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: n* z+ q9 {/ g5 i5 B3 H* x* U ask patches [set wealth random 100 set pcolor green ]
: W/ [- a' B% O/ Vend
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to go
0 ]. W, f) ~& q9 T* N9 }# G$ v+ [ let mylist1 []
* E+ j% n' p6 V& T. ~, G" H o; r5 U set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
3 Y" f6 _# O5 ~ let mylist2 []) s* K2 A2 X+ n6 V( U3 V
set mylist2 n-values count patches [? + 1]
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u3 t8 {0 h+ I# a1 i( v C ( foreach mylist1 mylist26 T3 D- m/ X& I8 n
[
: R/ F6 C; K! ?. g! Z, l# ? ask ?1[ set rank ?2]7 O/ Q/ R: {1 x) T# t! P% W
show [rank] of ?1/ d8 A' f. y, n6 q* a( c+ X2 J. |
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let mylist3 []
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set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches7 }4 G. E* G2 y3 V
show count patches- {& G \( P# [, e# A
show mylist1
7 G% N% u. r# E- `, G5 p9 y8 A show mylist3
U/ r S- y' t) ] eend# Y0 p" N- v, H3 p$ G* Z
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这时的mylist1 和mylist3 应该是一样的 |
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