Chapter 2. Cogs and Pulleys – Building Blocks
We discussed algorithms in the previous chapter, but the title of the book also includes the term "data structure." So what is a data structure? A data structure is an organization of data in memory that is generally optimized so it can be used by a particular algorithm. We have seen that an algorithm is a list of steps that leads to a desired outcome. In the case of a program, there is always some input and output. Both input and output contain data and hence must be organized in some way or another. Therefore, the input and output of an algorithm are data structures. In fact, all the intermediate states that an algorithm has to go through must also be stored in some form of a data structure. Data ...
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