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Chapter 8: Sorting in Linear Time

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Presentation on theme: "Chapter 8: Sorting in Linear Time"β€” Presentation transcript:

1 Chapter 8: Sorting in Linear Time

2 Comparison Sorts

3 Comparison Sorts

4 Comparison Sorts

5 Comparison Sorts β„Ž=Ξ©(𝑛𝑙𝑔𝑛) Using equation 3.19: 𝑙𝑔 𝑛! =Θ(𝑛𝑙𝑔𝑛) we have
β„Žβ‰₯ lg 𝑛! =Θ(𝑛𝑙𝑔𝑛) Therefore, β„Ž=Ξ©(𝑛𝑙𝑔𝑛)

6 Comparison Sorts

7 Linear Time sorting: Counting Sort
Note: Counting sort is stable (keys with same value appear in same order in output as they did in input) because of how the last loop works.

8 Counting Sort

9 Radix Sort

10 Radix Sort

11 Radix Sort

12 Radix Sort

13 Bucket Sort Should be i = 0 to n-1

14 Bucket Sort

15 Bucket Sort

16 Bucket Sort

17 Bucket Sort Note: We are not covering the formal proof of this claim in CS312

18 Bucket Sort

19


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