Question

what is sorting? state various algorithm used for it​

Answer 1

Answer:

Sorting is any process of arranging items systematically, and has two common, yet distinct meanings: ordering: arranging items in a sequence ordered by some criterion; categorizing: grouping items with similar properties.

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Answer 2

In computer science, a sorting algorithm is an algorithm that puts elements of a list in a certain order. The most frequently used orders are numerical order and lexicographical order. Efficient sorting is important for optimizing the efficiency of other algorithms (such as search and merge algorithms) that require input data to be in sorted lists. Sorting is also often useful for canonicalizing data and for producing human-readable output. More formally, the output of any sorting algorithm must satisfy two conditions:

The output is in nondecreasing order (each element is no smaller than the previous element according to the desired total order);

The output is a permutation (a reordering, yet retaining all of the original elements) of the input.

For optimum efficiency, the input data in fast memory should be stored in a data structure which allows random access rather than one that allows only sequential access.

Sorting algorithms are often referred to as a word followed by the word "sort" and grammatically are used in English as noun phrases, for example in the sentence, "it is inefficient to use insertion sort on large lists" the phrase insertion sort refers to the insertion sort sorting algorithm.