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发表于 2010-5-11 13:19:52
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用list吧
9 J9 x% D; A! L3 L# C! I/ upatches-own [wealth rank]
. o0 O: G* o3 a/ vto setup. q1 M# S8 c+ _ |, z) i
ca6 ]) T: p, G. Y
ask patches [set wealth random 100 set pcolor green ]
# ]3 L: q4 B4 t8 V2 [2 z) x' ?* Jend
2 x) @9 E m% e' `0 t( I/ @
. U# e/ ^! A( _to go- A: l5 ?' Z- q9 n. ] _4 s% V
let mylist1 []
; l8 z! T9 `! J set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches2 b+ Z1 P' p8 d( C
let mylist2 []
2 R' V+ C$ S2 _" H- E& y! X set mylist2 n-values count patches [? + 1]6 W) D9 O9 j0 `4 Y/ k4 p
, K z3 c* e* O& \6 {8 x ( foreach mylist1 mylist2
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# d! R% G4 h3 j- }- g, e& O ask ?1[ set rank ?2]5 T- y( _! n; s
show [rank] of ?13 ~1 s! g6 h5 p. U5 \
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]
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let mylist3 []1 ^9 C; v1 T+ U7 @( G" E
5 h5 p, T* }; f. o6 Q( W" O; a
set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
" I2 `$ P5 b5 }8 s: R+ H show count patches
8 Y' j2 }! }+ W4 ]% u show mylist1
/ B4 U* n- F0 Y& x9 p# }: n# U, K4 g1 k show mylist35 p H4 w; u6 N: w' u2 l% e' d
end: {7 {( s- I. ?) r9 N6 D: f
3 t5 y7 y. W( J9 \7 a) y这时的mylist1 和mylist3 应该是一样的 |
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