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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int a,b;
  6. 	cin >> a >> b;
  7. 	int x = a%3;
  8. 	int y = 3-x;
  9. 	if(x == 0){
  10. 		for(int i = a;i <= b;i+=3){
  11. 			cout << i << " ";
  12. 		}
  13. 	}
  14. 	else {
  15. 		for(int i = a+y;i <= b;i+= 3 ){
  16. 			cout << i << " ";
  17. 		}
  18. 	}
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin 
2 10
stdout 
3 6 9
https://ideone.com/vUyvIZ
language:
C++ (gcc 8.3)
created:
7 days ago
visibility:
public

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