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Why Sorting Algorithms Matter?

Avatar for Riochin Riochin
June 05, 2025
2
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Why Sorting Algorithms Matter?

2025/06/05 大学の授業にて発表

Avatar for Riochin

Riochin

June 05, 2025

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Transcript

  1. Why Sorting Algorithms Matter G24915 Rio Ichikawa

  2. Can you find a particular book among these?

  3. Can you find a particular book among these? Messy

  4. Can you find a particular book among these? Sorting…

  5. Sorted!!

  6. Sorted!!

  7. Why Do We Sort? ➔ To organize information ➔ To

    make searching faster

  8. Why Do We Sort? ➔ To organize information ➔ To

    make searching faster

  9. Famous Two Sorting Algorithms ✌

  10. Selection Sort 🐢 Simple and Slow 🐢

  11. Selection Sort 4 2 1 3

  12. Selection Sort 4 2 1 3

  13. Selection Sort 4 2 1 3

  14. Selection Sort 4 2 1 3

  15. Selection Sort 4 2 1 3

  16. Selection Sort 4 2 1 3 Min!

  17. Selection Sort 4 2 1 3

  18. Selection Sort 4 2 1 3 Swap!

  19. Selection Sort 4 2 1 3

  20. Selection Sort 4 2 1 3

  21. Selection Sort 4 2 1 3

  22. Selection Sort 4 2 1 3

  23. Selection Sort 4 2 1 3 Min!

  24. Selection Sort 4 2 1 3

  25. Selection Sort 4 2 1 3 Swap!

  26. Selection Sort 4 2 1 3 Completed!

  27. Selection Sort 4 2 1 3 Completed! It’s Simple

  28. Selection Sort 4 2 1 3 Completed! but Slow 😢

  29. Quick Sort ⚡ Fast and Smart ⚡

  30. Faster than Selection Sort ⚡

  31. But…

  32. But… no time to explain!

  33. Wanna know more?

  34. Ask me later!!!!!!!!!!!!

  35. Anyway,

  36. Speed Comparison

  37. Speed Comparison 100 🐢 Selection Sort ⚡ Quick Sort

  38. Speed Comparison 14,000,0 00,000

  39. Speed Comparison

  40. 14,000,0 00,000 Speed Comparison 🐢 Selection Sort ⚡ Quick Sort

  41. 14,000,0 00,000 Speed Comparison 🐢 Selection Sort ⚡ Quick Sort

    https://blog.google/products/ads-co mmerce/ai-personalization-and-the- future-of-shopping/#:~:text=Connec t%20with%20consumers%20on%2 0Search

  42. Sorting is Invisible — But Powerful

  43. None

  44. Thank you for listening : )