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Merge Sort

A. L. G. O. R. I. T. H. M. S. Merge Sort. Divide & Conquer Divide into two halves Recursively sort the two Merge the two sorted lists. A. L. G. O. R. I. T. H. M. S. Merge Sort. Divide & Conquer Divide into two halves Recursively sort the two Merge the two sorted lists.

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Merge Sort

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  1. A L G O R I T H M S Merge Sort • Divide & Conquer • Divide into two halves • Recursively sort the two • Merge the two sorted lists

  2. A L G O R I T H M S Merge Sort • Divide & Conquer • Divide into two halves • Recursively sort the two • Merge the two sorted lists

  3. A G L O R H I M S T Merge Sort • Divide & Conquer • Divide into two halves • Recursively sort the two • Merge the two sorted lists

  4. A G L O R H I M S T Merge Sort • Merge. • Keep track of smallest element in each sorted half. • Insert smallest of two elements into auxiliary array. • Repeat until done. smallest smallest A auxiliary array

  5. smallest smallest A G L O R H I M S T Merge Sort • Merge. • Keep track of smallest element in each sorted half. • Insert smallest of two elements into auxiliary array. • Repeat until done. A G auxiliary array

  6. smallest smallest A G L O R H I M S T Merge Sort • Merge. • Keep track of smallest element in each sorted half. • Insert smallest of two elements into auxiliary array. • Repeat until done. A G H auxiliary array

  7. smallest smallest A G L O R H I M S T Merge Sort • Merge. • Keep track of smallest element in each sorted half. • Insert smallest of two elements into auxiliary array. • Repeat until done. A G H I auxiliary array

  8. smallest smallest A G L O R H I M S T Merge Sort • Merge. • Keep track of smallest element in each sorted half. • Insert smallest of two elements into auxiliary array. • Repeat until done. A G H I L auxiliary array

  9. smallest smallest A G L O R H I M S T Merge Sort • Merge. • Keep track of smallest element in each sorted half. • Insert smallest of two elements into auxiliary array. • Repeat until done. A G H I L M auxiliary array

  10. smallest smallest A G L O R H I M S T Merge Sort • Merge. • Keep track of smallest element in each sorted half. • Insert smallest of two elements into auxiliary array. • Repeat until done. A G H I L M O auxiliary array

  11. smallest smallest A G L O R H I M S T Merge Sort • Merge. • Keep track of smallest element in each sorted half. • Insert smallest of two elements into auxiliary array. • Repeat until done. A G H I L M O R auxiliary array

  12. smallest A G L O R H I M S T Merge Sort • Merge. • Keep track of smallest element in each sorted half. • Insert smallest of two elements into auxiliary array. • Repeat until done. first halfexhausted A G H I L M O R S auxiliary array

  13. smallest A G L O R H I M S T Merge Sort • Merge. • Keep track of smallest element in each sorted half. • Insert smallest of two elements into auxiliary array. • Repeat until done. first halfexhausted A G H I L M O R S T auxiliary array

  14. A G L O R H I M S T Merge Sort • Merge. • Keep track of smallest element in each sorted half. • Insert smallest of two elements into auxiliary array. • Repeat until done. first halfexhausted second halfexhausted A G H I L M O R S T auxiliary array

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