From Grokking Algorithms

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Grokking Algorithms┬áis a fully illustrated, friendly guide that teaches you how to apply common algorithms to the practical problems you face every day as a programmer. You’ll start with sorting and searching and, as you build up your skills in thinking algorithmically, you’ll tackle more complex concerns such as data compression and artificial intelligence. Each carefully presented example includes helpful diagrams and fully annotated code samples in Python.

 

The set covering problem: finding the smallest set of radio stations that serve all of the 50 states

The set covering problem: finding the smallest set of radio stations that serve all of the 50 states