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发表于 2010-5-11 13:19:52
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用list吧
# M- ? i7 _6 }) R) x5 t) q+ jpatches-own [wealth rank]* m; }0 f% ~5 l# ]
to setup
# A7 G& I) q+ q9 W* p! c ca
& V' {0 Z+ f3 U l& M C5 T: ? ask patches [set wealth random 100 set pcolor green ]! d9 G) X7 d* K3 @9 Y: z2 c. A
end# w1 i' J; k, E: @. k
* q& N: t5 y( G/ Y% rto go. B: R& ]$ t+ d9 k
let mylist1 []9 P6 M: a! P1 W5 m7 x
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches: `2 i* a4 U, |( _
let mylist2 []' R' U) j0 X; P
set mylist2 n-values count patches [? + 1]5 c% [- `7 c) |9 q0 c- K3 L
2 q" Z4 K% x0 P: Z ( foreach mylist1 mylist2( Q3 {$ Q* ^6 E( u
[: l+ x% A- ^/ v" P1 x6 @) f8 F
ask ?1[ set rank ?2]
7 N( H0 e2 P" ?- n/ `) D show [rank] of ?1
; O+ i" Y3 X: M/ g. j
0 Z6 k: P1 K- H8 ]/ x) J" B ] H& e$ b: q1 r# j
)
+ _& Z/ T3 k4 Q1 F4 |$ v* W let mylist3 []
: O, r& N1 `' p+ p2 S, y
+ ?/ A& e- u, q6 D set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
8 i9 H' Q- l3 L: | show count patches2 \1 ?) G7 `& _: g( W$ U* ^
show mylist1
' B: |# m+ j: a6 Y7 U: I1 I show mylist3 q3 c' b" _) F
end
# c+ q9 i; z4 S J' U. L2 } j) h4 [* _: A9 m4 _
这时的mylist1 和mylist3 应该是一样的 |
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