sum(warehouse(I):x(I,J))=d(J));0 r7 C5 p& j) N2 s: l. d
sum(vendors(J):x(I,J))<=e(I));
sum(num(i):y(i,j))>=1);
sum(num(j):y(i,j))<=5);: J4 h7 M1 S" B0 S; Q4 K
bin(y(i,j)));
bin(x(i)));/ s& I" U J' X; N" J) Z: ^% i
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