问题描述：
lingo 程序
sets:
k/1..5/;
z/1..8/:m;
link(k,z):a,c,l,t,s;
endsets
min=a(i,j);
@sum(z(j):a(4,j)*c(4,j))
sets:
k/1..5/;
z/1..8/:m;
link(k,z):a,c,l,t,s;
endsets
min=a(i,j);
@sum(z(j):a(4,j)*c(4,j))
问题解答：
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