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  1. #include <iostream> 
  2.  
  3. using namespace std; 
  4.  
  5.  
  6.  
  7. bool czy_pierwsza(int n) { 
  8.  
  9. int d=2; 
  10.  
  11. while (d*d<=n) { 
  12.  
  13. if (n%d==0) return false; 
  14.  
  15. d+=1; 
  16.  
  17. } 
  18.  
  19. return true; 
  20.  
  21. } 
  22.  
  23. int pierwsza(int n) { 
  24.  
  25. int numer =0; 
  26.  
  27. int i=2; 
  28.  
  29. while (numer !=n) { 
  30.  
  31. if (czy_pierwsza(i)) numer += 1; 
  32.  
  33. i +=1; 
  34.  
  35. } 
  36.  
  37. return i-1; 
  38.  
  39. } 
  40.  
  41. int main() { 
  42.  
  43. cout<<pierwsza(7)<<" "<<pierwsza(25)<<endl; 
  44.  
  45. return 0; 
  46.  
  47. } 
  48.  
  49.  
  50.  
  51.  
  52.  
  53.  
Success #stdin #stdout 0.01s 5320KB
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stdin 
Standard input is empty
stdout 
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https://ideone.com/goFNCf
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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