April 2018
Intermediate to advanced
224 pages
7h
English
Content preview from Classic Computer Science Problems in SwiftBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 2. Search problems
“Search” is such a broad term that this entire book could be called “Classic Search Problems in Swift.” This chapter is about core search algorithms that every programmer should know. It does not claim to be comprehensive, despite the declaratory title.
2.1. DNA search
Genes are commonly represented in computer software as a sequence of the characters A, C, G, and T. Each letter represents a nucleotide, and the combination of three nucleotides is called a codon. This is illustrated in figure 2.1. A codon codes for a specific amino acid that together with other amino acids can form a protein. A classic task in bioinformatics software is to find a particular codon within a gene.
Figure 2.1. A nucleotide is represented ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.