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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n;
  6. 	cin>>n;
  7. 	if (n%4==0){
  8. 		cout<<"YES\n";
  9. 		cout<<n/2<<endl;
  10. 		for (int i=1;i<=n/4;i++){
  11. 			cout<<i<<" "<<i+3*n/4<<" ";
  12. 		}
  13. 		cout<<endl<<n/2<<endl;
  14. 		for (int i=1;i<=n/4;i++){
  15. 			cout<<i+n/4<<" "<<i+2*n/4<<" ";
  16. 		}
  17. 		cout<<endl;
  18. 	}
  19. 	else if (n%4==3){
  20. 		cout<<"YES\n";
  21. 		n-=3;
  22. 		cout<<n/2+1<<endl<<3<<" ";
  23. 		for (int i=1;i<=n/4;i++){
  24. 			cout<<i+3<<" "<<i+3+3*n/4<<" ";
  25. 		}
  26. 		cout<<endl<<n/2+2<<endl;
  27. 		cout<<"1 2 ";		for (int i=1;i<=n/4;i++){
  28. 			cout<<i+3+n/4<<" "<<i+3+2*n/4<<" ";
  29. 		}
  30. 		cout<<endl;
  31. 	}
  32. 	else{
  33. 		cout<<"NO\n";
  34. 	}
  35. }
Success #stdin #stdout 0s 5328KB
comments (?)
stdin
copy 
8
stdout
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YES
4
1 7 2 8 
4
3 5 4 6
https://ideone.com/DNdVIi
language:
C++14 (gcc 8.3)
created:
23 days ago
visibility:
public

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