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  1. // Adrian Gródek
  2. // Zadanie 13. pierwszy i ostatni
  3. // lab 5
  4. #include <iostream>
  5. #include <cstdlib>
  6. #include <math.h>
  7. #include <climits>
  8. #include <ctime>
  9.  
  10. using namespace std;
  11.  
  12. int main()
  13. {
  14. long long int n,x,a,pierwszy=-1,ostatni=-1;
  15. cin >> n >> x;
  16. for (int i=1;i<=n;i++)
  17. {
  18. cin >> a;
  19. if(a==x)
  20. {
  21. if(pierwszy==-1)
  22. {
  23. pierwszy = i;
  24. ostatni = i;
  25. }
  26. else
  27. {
  28. ostatni = i;
  29. }
  30. }
  31. }
  32. cout << pierwszy << " " << ostatni;
  33. return 0;
  34. }
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