'Merge sort consists' presentation slideshows

Comparison Sorts

Comparison Sorts. Chapter 9.4, 12.1, 12.2. Sorting. We have seen the advantage of sorted data representations for a number of applications Sparse vectors Maps Dictionaries Here we consider the problem of how to efficiently transform an unsorted representation into a sorted representation.

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Sorting

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Sorting

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Chapter 8 Sorting

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Divide-and-Conquer Approach

Divide-and conquer is a general algorithm design approach: Divide : divide the input data S in two disjoint subsets S 1 and S 2 Recur : solve the sub-problems associated with S 1 and S 2 Conquer : combine the solutions for S 1 and S 2 into a solution for S

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Merge Sort

7 2 ? 9 4 ? 2 4 7 9. 7 ? 2 ? 2 7. 9 ? 4 ? 4 9. 7 ? 7. 2 ? 2. 9 ? 9. 4 ? 4. Merge Sort. Outline and Reading. Divide-and-conquer paradigm Merge-sort Algorithm Merging two sorted sequences Merge-sort tree Execution example Analysis

186 views • 18 slides

Merge Sort

7 2 ? 9 4 ? 2 4 7 9. 7 ? 2 ? 2 7. 9 ? 4 ? 4 9. 7 ? 7. 2 ? 2. 9 ? 9. 4 ? 4. Merge Sort. Outline and Reading. Divide-and-conquer paradigm Merge-sort Algorithm Merging two sorted sequences Merge-sort tree Execution example Analysis

199 views • 18 slides