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Mar 12th, 2017
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  1. #include "stdafx.h"
  2. #include <iostream>
  3.  
  4. using namespace std;
  5.  
  6. char* toLowerCase(char* napis)
  7. {
  8. for (int i = 0; i <= strlen(napis); i++)
  9. {
  10. if (napis[i] >= 'A' && napis[i] <= 'Z')
  11. {
  12. napis[i] = napis[i] + 32;
  13. }
  14. }
  15.  
  16. return napis;
  17. }
  18.  
  19. char* toUpperCase(char* napis)
  20. {
  21. for (int i = 0; i <= strlen(napis); i++)
  22. {
  23. if (napis[i] >= 'a' && napis[i] <= 'z')
  24. {
  25. napis[i] = napis[i] - 32;
  26. }
  27. }
  28.  
  29. return napis;
  30. }
  31.  
  32.  
  33. int main()
  34. {
  35. char* napis1 = "ALA";
  36. char* napis2 = "ala";
  37.  
  38. cout << toUpperCase(napis2) << endl << toLowerCase(napis1) << endl;
  39.  
  40. getchar();
  41. return 0;
  42. }
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