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caibin088789金虫 (正式写手)
大爷脾气
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[求助]
编程问题
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sets: level/1 2 3/:p,z,goal; s_con_num/1..19/:g,dplus,dminus; source/1..6/:a,c; sink/1..9/:b; pure/1..9/:d; costs(source,sink):e,x; obj(level,s_con_num)/1 1,1 2,1 3,1 4,1 5,1 6,1 7,1 8,1 9, 3 19,2 10,2 11,2 12,2 13,2 14,2 15,2 16,2 17,2,18/:wplus,wminus; endsets data: ctr=?; goal=??0; a=40000 25000 35000 5000 866 6952; b=1823 10000 40000 28672 431 400 250 10000 6000; c=99.9 99.9 92 92 67.2 30.29; d=99.9 99.9 98 97 92 91 91 90 85; e=158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0 158.665 173.660 102.725 55.617 0 0; wplus=0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1; wminus=1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 1 0 0; enddata min=@sum(level:p*z); p(ctr)=1; @for(level(n)|n#ne#ctr:p(n)=0); @for(level(n):z(n)=@sum(obj(i,j):wplus(i,j)*dplus(j)+ wminus(i,j)*dminus(j))); @for(source(i):@sum(sink(j):x(i,j)) @sum(source(i):c*x(i,1))/@sum(source(i):x(i,1))+dminus(1)-dplus(1)=d(1); @sum(source(i):c*x(i,2))/@sum(source(i):x(i,2))+dminus(2)-dplus(2)=d(2); @sum(source(i):c*x(i,3))/@sum(source(i):x(i,3))+dminus(3)-dplus(3)=d(3); @sum(source(i):c*x(i,4))/@sum(source(i):x(i,4))+dminus(4)-dplus(4)=d(4); @sum(source(i):c*x(i,5))/@sum(source(i):x(i,5))+dminus(5)-dplus(5)=d(5); @sum(source(i):c*x(i,9))/@sum(source(i):x(i,6))+dminus(6)-dplus(6)=d(6); @sum(source(i):c*x(i,9))/@sum(source(i):x(i,7))+dminus(7)-dplus(7)=d(7); @sum(source(i):c*x(i,9))/@sum(source(i):x(i,8))+dminus(8)-dplus(8)=d(8); @sum(source(i):c*x(i,9))/@sum(source(i):x(i,9))+dminus(9)-dplus(9)=d(9); @sum(costs:e*x)+dminus(19)-dplus(19)=12618900; @for(level(n)|n#lt#@size(level):@bnd(0,z(n),goal)); end 用lingo编了一个程序，但是电脑算了一个多小时了，还是没算完，请教哪位高手看一下， |
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