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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.
0 f# f- Y* _6 Z' o0 [错误提示是没有可行解.- MODEL:
6 ^6 Q5 Y: R0 u0 \* c9 S* b - SETS:( v9 { {7 W9 W6 V9 X1 `
- ROW/0,1,2,3,4,5,6/;6 \8 Z; p- k9 v/ j, V
- COL/0,1,2,3,4,5,6/;6 M% |2 q- R0 k4 H( E\" e5 N
- POINT(ROW,COL):lv1,lv2,lv3,lv4;' O* z\" {, S& D0 f5 [( ~8 }& b
- ENDSETS
8 }3 y0 e1 R* h# | - DATA:5 @3 p9 D\" h, T. o& b7 Y; B/ {
- lv1 =
* O. B8 l\" ~6 T$ ^2 C4 {. M+ j - 0,0,0,0,0,0,0,8 x% R+ s+ V\" a3 @. |
- 0, , , , , ,0,
; r! A/ ]. R% [! d! `7 ?0 l - 0, , , , , ,0,( J1 R( W' i% }- v* T
- 0, , , , , ,0,
5 O9 t% y- C% @! J' y' n - 0, , , , , ,0,
1 t\" o/ I4 r: {! _5 z - 0, , , , , ,0,
$ o. s! d* T, W8 K7 e9 h/ l\" c - 0,0,0,0,0,0,0;
7 M; z3 q7 a$ Z) P - lv2 = 3 K7 ?7 E# {% s+ W) E- i
- 0,0,0,0,0,0,0,
5 F6 u; s. ~1 a5 @ - 0, , , , , ,0,# F- U& c5 N$ l2 T. j: L9 |
- 0, , , , , ,0,
; E1 d# Y: j' H( I7 d6 u\" S! U5 [ - 0, , , , , ,0,; d- x0 _\" p- D7 y, N9 i- U
- 0, , , , , ,0,( S2 T\" X8 B7 T3 w$ P | c
- 0, , , , , ,0,
6 Q, }' b. S5 v8 T* L: H - 0,0,0,0,0,0,0;( Y) h& W2 q- L5 H# D
- lv3 = ! _/ G% @) c' u8 r m! A, x
- 0,0,0,0,0,0,0,
& e/ w; \3 J) ` - 0, , , , , ,0,
/ k- e# Y/ n7 }* y - 0, , , , , ,0,
6 K9 M: B2 r2 B- t7 ?( H5 T, q, t$ w - 0, , , , , ,0,0 A7 y8 n* l1 X
- 0, , , , , ,0,
0 D% C9 O' b8 H. m$ L% A - 0, , , , , ,0,( t7 ?( q. N; d
- 0,0,0,0,0,0,0;
) m0 {9 E( N0 G$ n- F. Y - lv4 = 9 P+ w; X( g& J7 o; ^\" E8 ^5 y
- 0,0,0,0,0,0,0,
. b5 B5 y- }. r1 h! @. q - 0, , , , , ,0,; Y w7 O$ |/ }8 _9 \$ k- e
- 0, , , , , ,0,, r- Q+ q+ O9 L\" m- G# D* t6 _) x; A, \
- 0, , , , , ,0,4 x8 @# A$ \7 _
- 0, , , , , ,0,+ ?2 I9 S: Q' Z- v6 U8 t+ N
- 0, , , , , ,0,
# D$ [7 T5 ^- c$ g - 0,0,0,0,0,0,0;0 K; K F6 {2 i; V
- ENDDATA
\" L, h* c3 S. B- ^4 b) r - ! lv1,lv2,lv3,lv4 should be 0-1 variable;
: v' G; l; W3 X- y# h+ h& ~' `# C, ? - @FOR(POINT(i,j):@BIN(lv1););0 q2 C' E, t4 Y9 N) k
- @FOR(POINT(i,j):@BIN(lv2););* H7 B- l4 i, v3 h* N
- @FOR(POINT(i,j):@BIN(lv3););
% v6 M1 l3 D! X8 { - @FOR(POINT(i,j):@BIN(lv4););
0 m% p\" W; ?+ z% ~/ o: M& e
0 m\" b1 k: z x4 B% M {+ P- ! Only ONE building can be placed in one place;) B4 f3 {7 Q4 W( Q# K) w
- @FOR(POINT(i,j)|(i#GT#1)#AND#(i#LT#5)#AND#(j#GT#1)#AND#(j#LT#5):lv1+lv2+lv3+lv4=1);
# [0 J7 }% E/ Y
| R3 D8 e$ [: l- ! @FOR(POINT(i,j)|(lv2#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):( j/ [) P! {, g- d0 \
- lv1(i-1,j)+lv1(i+1,j)+lv1(i,j-1)+lv1(i,j+1)>1);3 |! z& t6 \! R\" x [% }
$ i% H# j/ U6 I5 Z; G* v- ! @FOR(POINT(i,j)|(lv3#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):
' ~5 O\" `' o: V, r0 q0 f - lv1(i-1,j)+lv1(i+1,j)+lv1(i,j-1)+lv1(i,j+1)>1);: D* x, C\" }( ^' M [
- ! @FOR(POINT(i,j)|(lv3#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):4 ]' S9 c a5 T+ a4 M- Y1 s0 k
- lv2(i-1,j)+lv2(i+1,j)+lv2(i,j-1)+lv2(i,j+1)>1);
0 E( A( h; q! i) E - - m/ a3 {0 D9 g
- ! @FOR(POINT(i,j)|(lv4#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):
) { S) M0 P( Q4 R$ H - lv1(i-1,j)+lv1(i+1,j)+lv1(i,j-1)+lv1(i,j+1)>1);
0 n$ ^! O# ^7 K\" G7 T+ B. z9 o - ! @FOR(POINT(i,j)|(lv4#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):4 q. n5 N. q7 y2 p1 U
- lv2(i-1,j)+lv2(i+1,j)+lv2(i,j-1)+lv2(i,j+1)>1);
y, X5 s/ {5 a& o - ! @FOR(POINT(i,j)|(lv4#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):
6 \+ U( n* V t6 _% \ ^* H - lv3(i-1,j)+lv3(i+1,j)+lv3(i,j-1)+lv3(i,j+1)>1);# a3 t/ ^/ r' N9 O8 L
- - I3 x* n3 w5 ?
- MAX = population;9 ^& [0 C% `- N3 v8 N
- population = @SUM(POINT(i,j):100*lv1+400*lv2+700*lv3+1000*lv4);9 A! l\" Q/ N3 \ I/ @* V+ h
8 F- J, `$ L% k7 \) R# X# _- INIT:
& r. n% _% H k$ A! e. N! N' L6 ] - lv1 =
/ ?\" K* P z1 h! t. @$ z - 0 0 0 0 0 0 0
- E& d+ A- I; O1 Q - 0 1 1 1 1 1 0; @/ J8 |* Z2 k' ]. w0 K8 h# T$ P
- 0 1 1 1 1 1 0# u, g& P5 g7 ~* c+ U* w0 D0 J5 A
- 0 1 1 1 1 1 0
\" o& Q* |& n1 x E- m7 _8 f& L - 0 1 1 1 1 1 0
( }. g7 @# z; \& p- k& F - 0 1 1 1 1 1 0
! e; w b1 h$ T! _5 ^0 Y\" N - 0 0 0 0 0 0 0;4 V% W# t, {% S' e/ M
- lv2 =
0 `# \: ?6 e; g, i; W; m - 0 0 0 0 0 0 0
X( W8 q0 U% [ - 0 1 1 1 1 1 02 T) T5 s. J- O4 X
- 0 1 1 1 1 1 0
/ Q; I* q' G4 N: u# P - 0 1 1 1 1 1 0
% I7 y$ Y1 A/ }$ {2 s/ O/ G9 M - 0 1 1 1 1 1 0
1 k+ _! c1 @4 S - 0 1 1 1 1 1 0
$ h; L( `8 m$ }; p - 0 0 0 0 0 0 0;6 M9 Y# r' v J) K# W& X
- lv3 = & Y1 w/ _* \, \. W# o( g4 J
- 0 0 0 0 0 0 0
& F5 h/ p) U, y- a6 e; D\" e+ w - 0 0 0 0 0 0 0
2 Y/ q% }9 y; d6 k) v9 p - 0 0 0 0 0 0 0
& P* U9 J; q& g4 ^! C, L( v - 0 0 0 0 0 0 0: U+ R\" ?5 B. J$ g
- 0 0 0 0 0 0 0
, P\" v& _$ M# m' u& M% u: ^; ? - 0 0 0 0 0 0 0
4 {% u/ T3 z& o0 M, x; z - 0 0 0 0 0 0 0;
' b9 n- \6 X) |\" c7 N1 H - lv4 =
+ R( d4 x# C' f, n, g( h7 P - 0 0 0 0 0 0 0
& H! S# q8 m7 {/ E3 R5 y - 0 0 0 0 0 0 0% e' P$ t1 E% e6 }
- 0 0 0 0 0 0 0
) M J- ] X9 L* l& P0 e5 g\" ~ - 0 0 0 0 0 0 03 d' ~% E7 R: [0 ]\" O- y6 S% ~# P
- 0 0 0 0 0 0 0
' ?+ v% J, s7 a9 q& r; i4 e# \8 c - 0 0 0 0 0 0 0
& B, `2 P! R6 @: D9 `$ q% M - 0 0 0 0 0 0 0;
8 I4 f7 y! G; l% t: M/ | - ENDINIT* I1 c) I5 V5 z2 `
- END
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