Search problem

Headline

The problem of determining whether a given value occurs in a given list

Description

The search problem is an algorithmic problem as follows:

Input:
- A list l of values
- A value v
Output:
- True: v occurs in l.
- False: otherwise.

This is an algorithmic problem because one can obviously define an algorithm to iterate over the elements of l and to check for an occurrence of v along the way. This simple idea is the foundation for linear search. When additional constraints are imposed on the input, then search may also be more efficient; see binary search for example.

Illustration

See linear and binary search.

Metadata

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this

sameAs

http://en.wikipedia.org/wiki/Search_problem

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isA

Algorithmic problem

Backlinks

Concept:Linear search Concept:Binary search Concept:Algorithmic problem Concept:Search algorithm Concept:Searching and sorting in Haskell Course:Lambdas at UvA Script:Searching and sorting in Haskell Concept:First steps in Haskell

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