Sedgewick, Robert and Wayne, Kevin Daniel, Algorithms (4th ed, Addison-Wesley 2011) <https://go.oreilly.com/university-college-london/library/view/-/9780132762564/?ar>
Thomas Cormen, Charles Leisersen, Ronald Rivest, Clifford Stein, Introduction to Algorithms (3rd ed, MIT Press 2009) <https://ebookcentral.proquest.com/lib/ucl/detail.action?docID=3339142>