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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main()
  4. {
  5. 	long long int count=0,n,i=0,m;
  6. 	cin>>m;
  7. 	n = m;
  8. 	while(1)
  9. 	{
  10. 		if(n-n/10<10)
  11. 			break;
  12. 		count += n/10;
  13. 		n -= n/10;
  14. 		i++;
  15. 	}
  16. 	i++;
  17. 	i=i/2;
  18. 	m/=2;
  19. 	cout<<ceil(float(m)/float(i));
  20. 	//cout<<i<<" "<<count;
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 4244KB
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https://ideone.com/pnxZ6Q
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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