( s3 u3 h0 w* {0 `' U: n; `
$ n) A6 \8 p# u9 E4 d G0 L! Z
7 R$ E7 d- [% A0 Z4 _1 e/ Z# c
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" w9 u: k. }8 s& F& `+ x
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3 [* l% M0 E/ O" l+ J8 r


4 l3 H$ s" O; ?
sum(col(j):a(i,j)*x(j))<b(i));
gin(x)); 1 V3 d* o, U9 F/ A6 U- t3 T
bnd(0,x,99)); 
; 
sum(var(j):x(i,j))=1);
sum(var(i):x(i,j))=1); $ l$ |+ Q1 S F. Y# n1 _
bin(x)); 5 i1 S( T4 U' ~% w+ h
& |0 J+ M& i+ Z8 |1 c/ N+ f
bnd(0,x,500)); ! J; J6 u- |+ q; _) y' B) D% Y

bin(z)); - G. Q* u% d% B) a
bnd(0,x,500)); 
& ?) t. g: a7 K% J
bin(z));
9 F. t1 N% x3 C' q

& T; F: L8 s0 L: c# }# k4 V/ e

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