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  1. #include <iostream>
  2. using namespace std;
  3. int main()
  4. {int n,i;
  5. cin >> n;
  6. for( i = 1;i<=n;i++)cout << i << " ";
  7. cout << endl;
  8. for( i = n;i>=1;i--) cout << i << " ";
  9.     return 0;
  10. }
Success #stdin #stdout 0.01s 5288KB
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9
stdout
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1 2 3 4 5 6 7 8 9 
9 8 7 6 5 4 3 2 1
https://ideone.com/VBqIhx
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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