It's probably The Algorithm Design Manual 2ed by Steven S. Skiena, figure 2.4 The second table on this [1] page is pretty similar, though not the same. [1] ht

It's probably The Algorithm Design Manual 2ed by Steven S. Skiena, figure 2.4 The second table on this [1] page is pretty similar, though not the same. [1] https://a1120.cs.aalto.fi/notes/round-efficiency--bigoh.html https://a1120.cs.aalto.fi/notes/round-efficiency--bigoh.html