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升级   17% TA的每日心情 | 开心 2013-3-7 15:34 |
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签到天数: 1 天 [LV.1]初来乍到
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14#
发表于 2009-8-27 02:00
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写了个非常简单的模型, 但是模型运行出错, 没能找出原因./ v, J( E4 Y+ i0 N6 U0 ^0 w
错误提示是没有可行解.- MODEL:
s/ Z; l2 ~+ c! [+ D, y8 t - SETS:% @4 Q$ ^$ b2 X& k& z: T+ \# k. E
- ROW/0,1,2,3,4,5,6/;\" P# n6 D: m3 v, |
- COL/0,1,2,3,4,5,6/;; n% N. o% U, x\" Z; S
- POINT(ROW,COL):lv1,lv2,lv3,lv4;
3 A- ]( O0 [0 G6 _* _ - ENDSETS( Q d) M* U e; L5 _7 ^
- DATA:
- {/ {5 V( `# O - lv1 =
: y4 J6 J, ]8 t/ m - 0,0,0,0,0,0,0,
4 Q! ?4 Y& y: ^: G - 0, , , , , ,0,
\" u$ S! {. m. T( c/ X - 0, , , , , ,0, d/ L& y5 d$ _) Z
- 0, , , , , ,0,
1 R9 j) C, }8 _( b2 [ - 0, , , , , ,0,
' h% J9 S0 [% x1 A% @ |, o% c7 M - 0, , , , , ,0,6 Q5 W, X% S' \. t7 g$ t# ~
- 0,0,0,0,0,0,0;3 C( F* L8 i& b9 y% P
- lv2 = ) H/ u* i+ K) f
- 0,0,0,0,0,0,0,
3 _$ H8 I( |0 e* q. G - 0, , , , , ,0,- l L4 W+ [% S
- 0, , , , , ,0,% ~9 E: @7 v' {, q8 J1 ^
- 0, , , , , ,0,+ Y& \. u/ [6 }1 O% L( { ?/ M7 ^
- 0, , , , , ,0,) a7 N6 @. a9 A/ w; B! z- F; n
- 0, , , , , ,0,
; ^/ e2 a8 }& f$ ^+ w r - 0,0,0,0,0,0,0;( S! d2 |5 m& z7 T( C\" x
- lv3 =
6 o! I2 ?; R' [6 D* I, E) n+ Y - 0,0,0,0,0,0,0,$ |! _4 p1 c2 N$ [\" f
- 0, , , , , ,0,- C' p0 h( o9 l: i6 M1 s3 Y\" X' @
- 0, , , , , ,0,: z1 E5 x\" P& }' Y, m* M
- 0, , , , , ,0,( w& Q% w) y\" \4 z$ C* m( P8 g* M
- 0, , , , , ,0,
( O% e4 h0 t9 y3 Q - 0, , , , , ,0,
0 T, K! K6 }0 q4 A. l. G - 0,0,0,0,0,0,0;6 ^3 V( K0 [8 @+ D: _
- lv4 =
8 F/ _& H$ O' \3 B - 0,0,0,0,0,0,0,
7 G0 e! E\" f* Z3 C l( s - 0, , , , , ,0, ~& e# A* [; y\" k3 m
- 0, , , , , ,0,$ a5 O8 x1 l4 j8 d, `& H% G
- 0, , , , , ,0,0 S9 W, @$ d\" ]) T7 Y# N
- 0, , , , , ,0,
# r8 S( U9 l, @5 l& [% a- e - 0, , , , , ,0,
2 c8 O. z% l% p- W) s m, V, o3 x - 0,0,0,0,0,0,0; s' Z2 e7 O/ w2 P& E$ c9 D1 P: m
- ENDDATA
9 B( t% a8 N( d) M/ \ - ! lv1,lv2,lv3,lv4 should be 0-1 variable;
1 Q' \+ e f7 n; `\" Q/ `6 `! F - @FOR(POINT(i,j):@BIN(lv1););5 ^ c8 l9 R. v1 A P. Y y4 d* H
- @FOR(POINT(i,j):@BIN(lv2););% h\" N: x; N* Q
- @FOR(POINT(i,j):@BIN(lv3););/ A4 u0 N7 z O' H. T
- @FOR(POINT(i,j):@BIN(lv4););+ }# K* N7 G\" S2 f0 ]
7 q6 h8 _( i! b7 T* J- ! Only ONE building can be placed in one place;
+ J/ x$ h+ K' n& V0 ? - @FOR(POINT(i,j)|(i#GT#1)#AND#(i#LT#5)#AND#(j#GT#1)#AND#(j#LT#5):lv1+lv2+lv3+lv4=1);2 I0 d8 b* R7 K0 w
- ' Y9 {! b& a+ d! z
- ! @FOR(POINT(i,j)|(lv2#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):
9 r\" |+ N2 t) b) _' _6 } - lv1(i-1,j)+lv1(i+1,j)+lv1(i,j-1)+lv1(i,j+1)>1);
+ z. Y# _: |. p) w3 C, m2 @& h
' W( ^\" U z& l7 F6 Z; D; }- ! @FOR(POINT(i,j)|(lv3#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):
, W\" C& h9 _ ^) |5 J3 [: m - lv1(i-1,j)+lv1(i+1,j)+lv1(i,j-1)+lv1(i,j+1)>1);
( w3 l\" T7 C5 G1 X/ } - ! @FOR(POINT(i,j)|(lv3#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):$ l1 q$ M* R\" P
- lv2(i-1,j)+lv2(i+1,j)+lv2(i,j-1)+lv2(i,j+1)>1);
; K4 G' D! m' u, @: i+ q - 8 d$ D% M6 C! [+ C/ b9 ^! m: j
- ! @FOR(POINT(i,j)|(lv4#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):
9 l, |: o: J7 v/ Q+ d, M% t$ o3 \$ L - lv1(i-1,j)+lv1(i+1,j)+lv1(i,j-1)+lv1(i,j+1)>1);
2 ^& h, w. s3 D- A# N7 h\" [ - ! @FOR(POINT(i,j)|(lv4#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):- h% D |6 q) j% R6 A$ G+ Q
- lv2(i-1,j)+lv2(i+1,j)+lv2(i,j-1)+lv2(i,j+1)>1);) g, \0 G! e# @# J0 U# j1 S
- ! @FOR(POINT(i,j)|(lv4#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):8 q9 w6 r\" {1 z7 n+ H2 j
- lv3(i-1,j)+lv3(i+1,j)+lv3(i,j-1)+lv3(i,j+1)>1);
% d3 `8 T2 I4 K% I: Q - 6 P' X+ Q, h$ G- ~# Y% G# H
- MAX = population;' V\" V9 h3 Z9 C* V1 O
- population = @SUM(POINT(i,j):100*lv1+400*lv2+700*lv3+1000*lv4);
+ B0 s, r% i* c# P6 K( ?$ f. y7 [) M
- t- G/ O; U+ R: r' F9 }- INIT:
' n# u- H6 X/ W+ ]) H$ D4 @ - lv1 =
' J# n\" W$ ?/ I3 U- s0 w. w# D - 0 0 0 0 0 0 0( K) R: { Q# \$ W( e% o
- 0 1 1 1 1 1 0
. s8 m) V; t& {7 R\" Y& \ - 0 1 1 1 1 1 0
: b. d: D0 _2 K2 Y# n - 0 1 1 1 1 1 06 q c9 {+ r6 ~' @9 @. X0 n
- 0 1 1 1 1 1 0
& f6 B+ A3 I. P8 Q% [2 J/ \ - 0 1 1 1 1 1 0 a/ V* z( S$ F! g4 l% m V
- 0 0 0 0 0 0 0;8 i8 }: R- V$ z/ t
- lv2 = , A. x) u8 v5 l
- 0 0 0 0 0 0 0
) ] E2 b4 ~) b* S3 t: z+ m5 I - 0 1 1 1 1 1 0# u- E% e$ b/ Z7 ^% r: K9 z; n
- 0 1 1 1 1 1 0% x' K# c% @2 e( m$ N. F
- 0 1 1 1 1 1 0
* { y5 Z& m8 Q) c' e7 L) [ - 0 1 1 1 1 1 0
( P5 H3 G8 f( | V# x! f1 \ - 0 1 1 1 1 1 0# N) i' E$ h$ g0 i* z. `/ |
- 0 0 0 0 0 0 0;0 `+ Y0 w, F) ]- i. {
- lv3 =
2 M! X' r+ E2 F2 y - 0 0 0 0 0 0 0
+ c( w2 Y: {- D - 0 0 0 0 0 0 0
6 q' x* J\" z$ X+ y - 0 0 0 0 0 0 0
+ U, q* C# q: v$ ?2 y/ D' q - 0 0 0 0 0 0 0
- @. Z+ x. O1 b% T4 `( T- b - 0 0 0 0 0 0 0& o& S ?0 N2 I9 z+ n
- 0 0 0 0 0 0 0
9 ]1 M8 g\" K4 G) J# L - 0 0 0 0 0 0 0;& P) V O1 C( N; w- f' r) C
- lv4 =
, t. n: |/ v0 V4 b - 0 0 0 0 0 0 0 y& m& t* c\" U2 e5 r8 U- I0 z
- 0 0 0 0 0 0 0* i1 l. |4 I$ }% g7 V
- 0 0 0 0 0 0 0, M( M3 y) s: H4 J* F
- 0 0 0 0 0 0 0. h0 S\" X\" A; ?* |' W& g- E
- 0 0 0 0 0 0 0
2 R; {* t+ G1 N5 S - 0 0 0 0 0 0 0
( s' g- d: G\" T/ ]5 K; o5 V - 0 0 0 0 0 0 0;+ h0 ? H5 i, O
- ENDINIT9 z% ]6 |9 T4 u
- END
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