So stop trying to memorize everything. Instead, start with the basics and learn to do two things: Learn when and how to use different data structures and their algorithms in your own code.

Alternatively, a record structure could be used. This would allow the data for each city to be scored together, rather than in four different arrays. A record type to store information on each ...

Kuszmaul had a different reaction. “You didn’t just come up with ... “Hash tables are among the oldest data structures we have. And they’re still one of the most efficient ways to store data.” Yet ...