Resource Tardiness Weighted Cost Minimization in Project Scheduling

Table 1

Number of instances of each set of group I out of 20 solved to optimality in 10 seconds by the branch and bound algorithm and the CPLEX solver.

# activities in instance set	# instances solved by the CPLEX solver	# instances solved by the branch and bound algorithm
10	20	20
20	19	20
30	4	19
60	0	19