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发表于 2010-5-11 13:19:52
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用list吧
' Y A$ q+ G! Q9 v' B9 L8 P) \patches-own [wealth rank]
! H0 o& V7 t0 Q' bto setup
( F6 s# x# a+ j# S ca
! p$ q- [" f# K# ?; t ask patches [set wealth random 100 set pcolor green ]
/ _! d; d* \' U4 X+ Yend
) r) E3 @' { F* s5 s% ]
( I5 g1 ?" l3 x& h+ j; G+ Ato go6 Q! b9 @% V F
let mylist1 []( q( T) k4 h. F. m- B4 b7 N2 p4 M
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches& k3 ?% c* g8 Z' H7 Y: R: d
let mylist2 []8 Z! M- K0 q: E$ ~$ r
set mylist2 n-values count patches [? + 1]
0 L9 O6 ~! I9 t' e6 [ + @3 K U D$ ?7 j9 k8 J! d( [
( foreach mylist1 mylist2
6 z4 P3 P- ~0 `* V2 ?4 } [
/ u% ?8 ~& n% Y; I) w% J ask ?1[ set rank ?2]
; N% o" \& d: f" p show [rank] of ?1
# H7 _! ~8 E/ J' D5 A; R # e9 s6 X7 F+ O; b6 G1 _
]
, a. Z9 }3 Q- K* Q# y" _6 ` )
( \2 N! O: f# f5 J. L* H% R2 w4 V let mylist3 []" r% F, T# n. d ?' [; m2 q
- M- A4 O- m- u- L/ M, U8 v, Y set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
# x Z2 C6 p: P2 G4 t1 W show count patches
7 B- E" o2 {: V6 q! ^) p show mylist1 5 I$ F+ ]# `1 q# x& b E) d
show mylist3
# `) U9 ?' V6 q6 Gend
- } R3 P* Q$ c: Q3 ?3 V1 k- Y7 N& [/ R
这时的mylist1 和mylist3 应该是一样的 |
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