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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	long long s;
  7. 	long long k;
  8. 	cin>>s;
  9. 	k=sqrt(2*s+1);
  10. 	cout<<k;
  11. 	return 0;
  12. }
Success #stdin #stdout 0s 4140KB
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https://ideone.com/Ne8zQ4
К-домино
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
secret

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