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Nov 7th, 2018
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  1. using namespace std;
  2. int main()
  3. {
  4. int n,k=0,i;
  5. cin>>n;
  6.  
  7. for(i = 0; i < n ; ++i)
  8. {
  9. k = k*10 +1;
  10. k %= n;
  11. if(k == 0) break;
  12. }
  13.  
  14. if(i != n)
  15. {
  16. for(int j = 0 ; j < i+1 ; ++j)
  17. cout<<1;
  18. }
  19. else cout<<"NO";
  20.  
  21. cout<<endl;
  22.  
  23. return 0;
  24. }
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