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发表于 2010-5-11 13:19:52
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用list吧
: [9 }8 z" M6 F6 jpatches-own [wealth rank]
3 D+ f/ T- T$ _& @$ Lto setup
U# I8 y3 d- ?) n0 U1 i$ r ca
v; |5 J; w1 @ ask patches [set wealth random 100 set pcolor green ]
+ V. @' [! `0 R% gend
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to go& @7 W* W" j+ t- M: A6 a# |+ G( F
let mylist1 []$ F! Q4 q- w, Z/ @& H
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches
1 q, G$ Q( j/ N# B2 `5 M! B let mylist2 []
! N1 S0 w& k8 Z set mylist2 n-values count patches [? + 1]
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( foreach mylist1 mylist2
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; T0 L- t( S7 W ask ?1[ set rank ?2]5 k5 l& R p- {
show [rank] of ?1
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]8 H1 J1 p+ u- {. o& P& b7 Z
)
3 c9 t- p, `( T let mylist3 []
" U7 ?7 O c' ?2 u( Y1 u ' |: Z; O. _* P" m+ N5 g" R; e3 V- K
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
+ w$ o ~5 e6 p show count patches, ~$ A% v, j9 f" k& R0 C
show mylist1 & Y, r( |' }3 R4 r- K& G6 k
show mylist3
4 E" |6 ?$ {: h/ |/ M) {& ]: o# Rend
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; e$ [: Q0 g$ U6 U: a( l6 O" Y这时的mylist1 和mylist3 应该是一样的 |
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