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发表于 2010-5-11 13:19:52
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用list吧
: ?' o. A( ^3 [8 J2 G5 gpatches-own [wealth rank]
/ P) J. M& h J: oto setup
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ask patches [set wealth random 100 set pcolor green ]
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to go `# }8 W" a- R. B ~! @
let mylist1 []3 N4 [/ u' T0 ]
set mylist1 sort-by [[wealth] of ?1 < [wealth] of ?2] patches% w: d4 ]: Y$ R4 |1 \, [0 b. h( v
let mylist2 []( ^; ~1 D8 I8 V% C3 D X5 ^. O
set mylist2 n-values count patches [? + 1]
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& U% o- ?* J6 V) ?# T7 K ( foreach mylist1 mylist24 F4 t$ O. h; }2 c
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ask ?1[ set rank ?2]
# ?( h+ T, q2 c; ~5 r* E% { show [rank] of ?1( Y( O: Q2 \% N4 m4 X' v
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let mylist3 []/ E) [9 I0 n0 ~- T; ?
6 N" W4 h( J) P3 b- N3 X set mylist3 sort-by [[rank] of ?1 < [rank] of ?2] patches
2 r6 S9 c0 x Z0 e6 J/ v) x show count patches" s% X& O3 _" @, v- l4 V$ ?
show mylist1 ; |% E* B+ T$ E# J
show mylist3* f* Q% x \! t) Y' a: D& Z
end- a% s' E9 m+ g5 ]7 O, O9 \
; ?' y8 J2 H8 B这时的mylist1 和mylist3 应该是一样的 |
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