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  1.  
  2. #include <iostream>
  3.  
  4. using namespace std;
  5.  
  6. bool eh_primo(int x){
  7. 	if(x==1){
  8. 		return false;
  9. 	}
  10. 	if(x==2){
  11. 		return true;
  12. 	} else{
  13. 	for(int i=2; i<x; i++){
  14. 		if(x%i==0){
  15. 			return false;
  16. 			break;
  17. 		}
  18. 		if(i==x-1){
  19. 			return true;
  20. 		}
  21. 	}
  22. 	}
  23. }
  24.  
  25. int main(){
  26. 	int x;
  27.  
  28. 	cin>>x;
  29.  
  30. 	if(eh_primo(x)){
  31. 		cout<<"S"<<"\n";
  32. 	}else{
  33. 		cout<<"N"<<"\n";
  34. 	}
  35. 	return 0;
  36. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/bQDW01
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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