Parallel arrays and arrays of structures

May 11th, 2015
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An array of structures are usually equivalent to parallel arrays of the components. For example, if each student record consists of an ID number and a GPA value, then a list of students can be represented as an array of structure: The same data can be stored as two arrays that "parallel" to each other, in the sense that the same index in them indicate data for the same student: Usually the first way is more natural and convenient.

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Parallel ArraysParallel arrays and arrays of structuresAn array of structures are usually equivalent to parallel arrays of the components. For example, if each student record consists of an ID number and a GPA value, then a list of students can be represented as an array of structure: The same data can be stored as two arrays that "parallel" to each other, in the sense that the same index in them indicate data for the same student: Usually the first way is more natural and convenient.Advantages and disadvantagesAgainst ArraysCompared to arrays, linked data structures allow more fle

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