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  1. #include <iostream>
  2. using namespace std;
  3. int main()
  4. {
  5. 	double E, ak, ap, y=1;
  6. 	int i = 1, k=2 , p;
  7. 	p = k - 1;
  8. 	ap = 2;
  9. 	cout << "please, input E: ";
  10. 	cin >> E;
  11. 	ak = 2 + 1 / y;
  12.  
  13. 	if (E <= 0)
  14. 	{
  15. 		cout << "E<=0, mistake" << endl;
  16. 	}
  17. 	else
  18. 	{
  19. 		while (ak-ap<E)
  20. 		{
  21. 			k = 2;
  22. 			k++;
  23. 			double y = 1;
  24. 			int i = 1;
  25. 			while (i <= k)
  26. 			{
  27. 				y *= ap;
  28. 				i++;
  29. 			}
  30. 			ak = 2 + (1 / y);
  31. 		}
  32. 		cout << "output k=" << k << endl;
  33. 		cout << "output a(k-1)=" << ap << endl;
  34. 		cout << "output ak=" << ak << endl;
  35. 	}
  36. 	return 0;
  37. }
Success #stdin #stdout 0s 4192KB
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stdin
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Standard input is empty
stdout
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please, input E: output k=2
output a(k-1)=2
output ak=3
https://ideone.com/gDYZJ0
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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