SETS n /5/ m /1/ U /10/ i /1*5/ k /1*1/ t /1*10/ ; PARAMETER d(i) /1 4,2 5,3 3,4 2,5 4/ r(k,t) /1.1 6, 1.2 6, 1.3 6, 1.4 6, 1.5 6, 1.6 6, 1.7 6, 1.8 6, 1.9 6, 1.10 6/ a(i,k) /1.1 3, 2.1 5, 3.1 1, 4.1 2, 5.1 4/ b(i,t) /1.1 25, 1.2 23, 1.3 20, 1.4 17, 1.5 16, 1.6 14, 1.7 10, 1.8 0, 1.9 0, 1.10 0, 2.1 30, 2.2 28, 2.3 25, 2.4 21, 2.5 19, 2.6 17, 2.7 0, 2.8 0, 2.9 0, 2.10 0, 3.1 20, 3.2 19, 3.3 17, 3.4 15, 3.5 14, 3.6 12, 3.7 10, 3.8 9, 3.9 0, 3.10 0, 4.1 15, 4.2 13, 4.3 12, 4.4 11, 4.5 11, 4.6 10, 4.7 7, 4.8 5, 4.9 3, 4.10 0, 5.1 25, 5.2 24, 5.3 21, 5.4 19, 5.5 17, 5.6 14, 5.7 8, 5.8 0, 5.9 0, 5.10 0/; VARIABLES z1; BINARY VARIABLE x(i,t); POSITIVE VARIABLES w(t,k); EQUATIONS fob, vincolo3(i); fob .. z1 =E= sum(i,t$(ord(t)<=card(U)-d(i))), b(i,t)*x(i,t); vincolo3(i) .. sum(t$(ord(t)<=card(U)-d(i)+1), x(i,t)) =L= 1;