Number of devices

Optimal Solution

Algorithm 3

Algorithm 4

Algorithm 5

10

0.4484

0.0086

0.0120

0.0042

20

21.1262

0.0109

0.0163

0.0105

30

95.5204

0.0133

0.0220

0.0171

40

300.3674

0.0154

0.0272

0.0226

50

1062.1368

0.0163

0.0413

0.0348

60

1889.29

0.0172

0.0419

0.0382