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smoke rubber

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Mar 20th, 2019
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  1. #include <iostream>
  2. #include <time.h>
  3. #include <cstdlib>
  4.  
  5. using namespace std;
  6.  
  7. int ile;
  8. clock_t start, stop;
  9. double czas;
  10.  
  11. int main()
  12. {
  13. cout << "Ile liczb w tablicy: ";
  14. cin>>ile;
  15.  
  16. int *tablica;
  17. tablica=new int [ile];
  18.  
  19.  
  20. start = clock();
  21. for (int i=0; i<ile; i++)
  22. {
  23. tablica[i]=i;
  24. tablica[i]+=50;
  25. }
  26. stop = clock();
  27. czas = (double)(stop - start) / CLOCKS_PER_SEC;
  28. cout<<"Czas zapisu (bez wskaznika): "<<czas<<" s"<<endl;
  29.  
  30. delete [] tablica;
  31.  
  32.  
  33. tablica=new int [ile];
  34. int *wskaznik=tablica;
  35.  
  36.  
  37. start = clock();
  38.  
  39. for (int i=0; i<ile; i++)
  40. {
  41. *wskaznik = i;
  42. *wskaznik+=50;
  43. wskaznik++;
  44. }
  45. stop = clock();
  46. czas = (double)(stop - start) / CLOCKS_PER_SEC;
  47. cout<<"Czas zapisu (ze wskaznikiem): "<<czas<<" s";
  48.  
  49. delete [] tablica;
  50.  
  51. return 0;
  52. }
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