I don't know, if this is the right forum, but is here anybody who can help me with my model?
I am trying to count shift calendar problem, in the attachment you can see my model
after some seconds i got optimal solution and trying to find integer solution, but after hours i have only this kind of output:
+6434641: mip = 1.920000000e+02 >= 1.900000000e+02 1.0% (125068; 112713) ^^^rising ^^^ not going down anymore
is it ok? do i have some problem in model? sorry, for such stupid questions, but it is my first model after some 10 years and first in glpk at all ... please help :-)