A good intro is `Competitive Programming` by Steven Halim [1]. It covers the types tasks typically used in these kinds of competitions, with over 1000 categori

A good intro is `Competitive Programming` by Steven Halim [1]. It covers the types tasks typically used in these kinds of competitions, with over 1000 categorized problems. I came away with a through understanding of the intuition behind many of the algorithms and why they work. [1]: http://cpbook.net/ http://cpbook.net/