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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.9 }$ _3 s6 \' [- P- t( H8 b5 G
错误提示是没有可行解.- MODEL:: d6 Z9 J) h7 l$ s! T& d* |7 X3 {
- SETS:
2 j: s9 E; B$ J0 S - ROW/0,1,2,3,4,5,6/;$ b3 [' R+ A\" y5 N( _& S
- COL/0,1,2,3,4,5,6/;
2 S* [9 ]! M( {6 o+ l\" X - POINT(ROW,COL):lv1,lv2,lv3,lv4;. A9 z \$ C3 B7 J0 B/ G- ]
- ENDSETS3 H' O$ O9 d6 U5 t; B! }
- DATA:# t/ Z8 H/ b- }
- lv1 = _+ C) S2 r' ~: c/ j p
- 0,0,0,0,0,0,0,
\" T0 }! n* g l- `) X$ v$ E' T. _ - 0, , , , , ,0,/ e6 @) y/ o* Q6 h( f, d% F, Z/ R
- 0, , , , , ,0,
& S* x h2 [2 X2 G, S! _ - 0, , , , , ,0, N, o. V( N$ A# |! q
- 0, , , , , ,0,. h( I7 E$ G+ ~* G9 R5 x
- 0, , , , , ,0,
9 I, \! u ~1 X9 p: _ - 0,0,0,0,0,0,0;% a5 P8 y, g\" A( z, ]
- lv2 =
' T3 ^ D( v' E3 M- ? - 0,0,0,0,0,0,0,
+ X$ D3 ]1 i$ I, k - 0, , , , , ,0,, H/ [$ {( x. A8 V* Y( z+ g
- 0, , , , , ,0,4 o; J7 d2 a7 c3 G
- 0, , , , , ,0,
9 R ^/ @ w$ U\" e - 0, , , , , ,0,; \) |) S2 ?$ p\" w
- 0, , , , , ,0,\" Q3 }4 [+ |% L Z r9 I
- 0,0,0,0,0,0,0;
4 e' m$ ?5 [3 g& m; W' I. \ - lv3 = 2 R7 {/ D: G( e K
- 0,0,0,0,0,0,0, X# l. c+ f% u
- 0, , , , , ,0,
5 F8 r5 L. a8 b - 0, , , , , ,0,
' z* t6 w5 {4 e; b - 0, , , , , ,0,; w7 O) @- d- `
- 0, , , , , ,0,
\" o* e2 j0 h* o. D9 D, X5 H - 0, , , , , ,0,. H\" M8 s$ a) |' D8 [: ~
- 0,0,0,0,0,0,0;
% \/ u! N) r$ f. k$ I - lv4 =
9 }1 j6 W\" N4 k: k: k - 0,0,0,0,0,0,0,
9 B; A0 S* C9 ? l1 G - 0, , , , , ,0,! y1 [. M3 w/ W7 x) Z2 M7 v
- 0, , , , , ,0,
. `' w( t% n\" y8 ~& `* t( E& a - 0, , , , , ,0,
- |; ]6 t; d' r - 0, , , , , ,0,
; T4 h/ [4 n; E# ~& N/ J - 0, , , , , ,0,7 o* w* s, l4 m: N7 \$ J7 O
- 0,0,0,0,0,0,0;0 P6 I1 y$ B7 B, {$ g3 l7 x# f
- ENDDATA& P2 w, H+ k8 _1 q! N6 @ I
- ! lv1,lv2,lv3,lv4 should be 0-1 variable;. {, b# R\" {7 \. t, u- w- Z
- @FOR(POINT(i,j):@BIN(lv1););5 r& P# L- Q3 \, w) g% j, K7 m
- @FOR(POINT(i,j):@BIN(lv2););
8 Q8 P3 \' k0 V$ g; } - @FOR(POINT(i,j):@BIN(lv3););( `' Q$ A5 V# P1 \2 r3 l
- @FOR(POINT(i,j):@BIN(lv4););6 U, T3 e m' y/ ^
2 C. P0 ]$ F% x7 y( N- ! Only ONE building can be placed in one place; b, O7 P1 H, Q* u' e t
- @FOR(POINT(i,j)|(i#GT#1)#AND#(i#LT#5)#AND#(j#GT#1)#AND#(j#LT#5):lv1+lv2+lv3+lv4=1);- o* c3 Y, |, K. A# N
- . u: n* m0 u( n
- ! @FOR(POINT(i,j)|(lv2#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):
F0 L\" r! l: \8 i - lv1(i-1,j)+lv1(i+1,j)+lv1(i,j-1)+lv1(i,j+1)>1);
3 w( S- v2 I9 z( V! u l4 q' b
/ ~7 Z T( ?5 Q- M' x- ! @FOR(POINT(i,j)|(lv3#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):) B; u+ k; E! V* e7 L
- lv1(i-1,j)+lv1(i+1,j)+lv1(i,j-1)+lv1(i,j+1)>1);
& L: {: k2 `4 b - ! @FOR(POINT(i,j)|(lv3#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):
: d) H% [+ p% h - lv2(i-1,j)+lv2(i+1,j)+lv2(i,j-1)+lv2(i,j+1)>1);
3 Q9 x0 S3 ], {( Q- l* ]
) m2 a2 ?* @- b\" R; d2 S9 \. F- ! @FOR(POINT(i,j)|(lv4#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):
) G2 a. N/ n8 v1 Z9 j3 p - lv1(i-1,j)+lv1(i+1,j)+lv1(i,j-1)+lv1(i,j+1)>1);
& F0 N Q1 V/ i/ W$ w. e9 ? - ! @FOR(POINT(i,j)|(lv4#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):1 `4 e6 w* r8 u4 ?9 D6 u
- lv2(i-1,j)+lv2(i+1,j)+lv2(i,j-1)+lv2(i,j+1)>1);! Z* B$ j4 |$ U
- ! @FOR(POINT(i,j)|(lv4#EQ#1)#AND#(i#GE#1)#AND#(i#LE#5)#AND#(j#GE#1)#AND#(j#LE#5):\" y% ?+ i& J! ~5 W; r6 `: @
- lv3(i-1,j)+lv3(i+1,j)+lv3(i,j-1)+lv3(i,j+1)>1);
, D# b2 T( l; X8 f9 }
! j. q N7 c$ L\" _; X- MAX = population;
2 y; I% Y' W) s - population = @SUM(POINT(i,j):100*lv1+400*lv2+700*lv3+1000*lv4); I3 \0 U2 t6 @% g0 |& h
! @6 Z- w7 Z$ k9 @. w0 x- INIT:6 |8 G0 |+ T2 D5 ?# K
- lv1 =
6 Q, _6 W1 L$ E8 X8 m# ^ - 0 0 0 0 0 0 0
( c\" U2 c( _! j5 e( X/ c - 0 1 1 1 1 1 00 S+ f, s2 i- J( J9 n! {, W/ @
- 0 1 1 1 1 1 0
. H# i3 O. w4 r# l: m5 z, w - 0 1 1 1 1 1 0
/ T, p i* @ P - 0 1 1 1 1 1 0
1 Q/ B- i! t2 U; E- e - 0 1 1 1 1 1 0) M2 ~/ u! E2 q' p) w4 @/ \6 Z5 b
- 0 0 0 0 0 0 0;6 H( S# q% w\" K
- lv2 =
( u, Z! U0 G J2 `5 i/ @- z- r - 0 0 0 0 0 0 0
7 |% [9 N% R2 Y. D - 0 1 1 1 1 1 0
& |* p) `* n* y O& W0 B' H - 0 1 1 1 1 1 0
* r& d/ O, P\" {2 e! ~ - 0 1 1 1 1 1 0
# Y3 y' k7 }+ Z5 C5 \\" z - 0 1 1 1 1 1 0! Y' ?: u$ d3 J
- 0 1 1 1 1 1 0, i# k\" T3 {' B) d) k
- 0 0 0 0 0 0 0;
2 z2 [; a2 S& Y+ w - lv3 =
/ c) m* g6 }' ^/ _1 Q6 A4 v - 0 0 0 0 0 0 0
# i2 u% S2 I9 ?- {# O9 E - 0 0 0 0 0 0 0
3 E7 M1 n3 d# N; o/ b6 |% ~ - 0 0 0 0 0 0 0, n7 [; r! C. D6 o
- 0 0 0 0 0 0 0
4 r1 n. R( ^7 q+ d - 0 0 0 0 0 0 0
: l: R: X v3 d( ^9 l. q - 0 0 0 0 0 0 0
6 c- z8 {% J' }' N/ A - 0 0 0 0 0 0 0;: N0 B7 o! t4 f3 s( l: ]
- lv4 =
- c3 [ y- v/ |' s. O - 0 0 0 0 0 0 0. Z) \% l3 E$ \( B7 _7 Y% b
- 0 0 0 0 0 0 0
* e4 S, Y3 p# J\" y - 0 0 0 0 0 0 0+ i# Z) E7 T/ I( K) Q: ]; ~
- 0 0 0 0 0 0 0; L. Y8 x: [* |
- 0 0 0 0 0 0 0
! v3 e$ w8 ]/ y6 X5 J. Z K\" H - 0 0 0 0 0 0 0
1 G; O+ g\" a. m/ f - 0 0 0 0 0 0 0;3 A/ z3 T. n8 j- L2 D
- ENDINIT
4 v* s0 @% Y1 h - END
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