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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n;
  6. 	cin >> n;
  7. 	if (n==2 || n==3) {
  8. 		cout << "NO SOLUTION";
  9. 		return 0;
  10. 	}
  11. 	for (int i=n-(n%2==1);i>=2;i-=2) {
  12. 		cout << i << " ";
  13. 	}
  14. 	for (int i=n-(n%2==0);i>=1;i-=2) {
  15. 		cout << i << " "; 
  16. 	}
  17. }
Success #stdin #stdout 0.01s 5292KB
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stdin
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5
stdout
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4 2 5 3 1
https://ideone.com/Tj01FS
language:
C++14 (gcc 8.3)
created:
190 days ago
visibility:
public

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