Concept

Sorting

Résumé
Sorting refers to ordering data in an increasing or decreasing manner according to some linear relationship among the data items.

ordering: arranging items in a sequence ordered by some criterion;

categorizing: grouping items with similar properties.

Ordering items is the combination of categorizing them based on equivalent order, and ordering the categories themselves. By type Information or data In , arranging in an ordered sequence is called "sorting". Sorting is a common operation in many applications, and efficient algorithms have been developed to perform it. The most common uses of sorted sequences are:
  • making lookup or search efficient;
  • making merging of sequences efficient;
  • enabling processing of data in a defined order.
The opposite of sorting, rearranging a sequence of items in a random or meaningless order, is called shuffling. For sorting, either a weak order, "should not come after", can be specified, or a strict weak order, "should come b
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