fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n,contor=0;
  6. 	cin>>n;
  7. 	while(n){
  8. 		int a=n;
  9. 		cin>>n;
  10. 		int b=n;
  11. 		while(b!=0){
  12. 		int r=a%b;
  13. 		a=b;
  14. 		b=r;}
  15. 		if(a==1){
  16. 			contor++;
  17. 		}
  18. 	}
  19. 	cout<<contor;
  20.  
  21. 	return 0;
  22. }
Success #stdin #stdout 0.01s 5296KB
comments (?)
stdin
copy 
4 9 25 16 7 21 0
stdout
copy 
4
https://ideone.com/x0YsKy
language:
C++ (gcc 8.3)
created:
8 minutes ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!