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  1. #include <iostream>
  2. using namespace std;
  3. char f(char g)
  4. {
  5. 	if(g=='2')
  6. 	return '4';
  7. 	else
  8. 	if(g=='4')
  9. 	return '5';
  10. }
  11. int main() 
  12. {
  13. 	int n;
  14. 	cin>>n;
  15. 	string s="";
  16. 	for(int i=0;i<n;i++)
  17. 	{
  18. 		s+="2 ";
  19. 	}
  20. 	s.erase(s.begin()+s.size()-1);
  21. 	int i=s.size()-1;
  22. 	while(s[0]+s[s.size()-1]!='5'*2)
  23. 	{
  24. 		cout<<s<<endl;
  25. 		if(s[i]=='5')
  26. 		{
  27. 			s[i]=='2';
  28. 			i-=2;
  29. 			s[i]=f(s[i]);
  30. 		}else
  31. 		{
  32. 			s[i]=f(s[i]);
  33. 		}
  34. 	}
  35. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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3
stdout
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2 2 2
2 2 4
2 2 5
2 4 5
2 5 5
4 5 5
https://ideone.com/17h2Qk
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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