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About how to implement algorithms

About how to implement algorithms. Fall 2013, Haidong Xue. One P roblem, M ultiple A lgorithms. Given a problem Problem Input: IN Algorithms: Alg1(IN), Alg2( IN ), … , AlgN ( IN ) E.g.: your term project sorting. A good way to implement them: the Strategy Pattern.

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About how to implement algorithms

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  1. About how to implement algorithms Fall 2013, HaidongXue

  2. One Problem, Multiple Algorithms • Given a problem • Problem Input: IN • Algorithms: • Alg1(IN), Alg2(IN), … , AlgN(IN) • E.g.: • your term project • sorting

  3. A good way to implement them: the Strategy Pattern AbstractAlgorithm solve() ConcreteAlgorithm2 solve() ConcreteAlgorithmN solve() ConcreteAlgorithm1 solve() …

  4. Example: sorting uses Tester AbstractSortingAlgorithm sort() InsertionSort sort() XSort sort() Quicksort() sort() … Let’s do it!

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