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Hutton, Graham (2002) The Countdown Problem. Journal of Functional Programming, 12 (6). pp. 609-616.

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Abstract

We systematically develop a functional program that solves the countdown problem, a numbers game in which the aim is to construct arithmetic expressions satisfying certain constraints. Starting from a formal specification of the problem, we present a simple but inefficient program that solves the problem, and prove that this program is correct. We then use program fusion to calculate an equivalent but more efficient program, which is then further improved by exploiting arithmetic properties.

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/1022538
Schools/Departments:	University of Nottingham, UK > Faculty of Science > School of Computer Science
Depositing User:	Hutton, Graham
Date Deposited:	26 Oct 2005
Last Modified:	04 May 2020 20:32
URI:	https://eprints.nottingham.ac.uk/id/eprint/226

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