title cutting-stock problem;
sets:
needs/1..4/:length,num;
cuts/1..3/:x;
patterns(needs,cuts):r;
endsets
data:
length=4 5 6 8;
num=50 10 20 15;
capacity=19;
enddata
min=@sum(cuts(i):x(i));
@for(needs(i):@sum(cuts(j):x(j)*r(i,j))>num(i));
@for(cuts(j):@sum(needs(i):length(i)*r(i,j))capacity-@min(needs:length));
@sum(cuts:x)>26;@sum(cuts:x)<31;
@for(cuts(i)|i
#lt#
@size(cuts):x(i)>x(i+1));
@for(cuts:@gin(x););@for(patterns:@gin(r););end
我也没有缺少右括号呀
百思不得其解
谢谢！