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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int t;
  6. 	cin>>t;
  7. 	while(t--){
  8. 		int n;cin>>n;
  9. 		if(n%2==1){
  10. 			cout<<7;
  11. 			for(int i=0;i<(n-3)/2;i++)
  12. 				cout<<1;
  13. 		}
  14. 		else
  15. 		{
  16. 			for(int i=0;i<n/2;i++)
  17. 				cout<<1;
  18. 		}
  19. 		cout<<"\n";
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 4452KB
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stdin
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2
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stdout
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7
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https://ideone.com/GEJnJ5
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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