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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. double SzescianPierwiastek(double N, double e = 0.0001) {
  6. 	double left = 0, right = (N >= 1) ? N : 1;
  7.  
  8. 	while (right - left > e){
  9. 		double mid = (left + right) /2;
  10. 		double midPierwiastek = mid * mid * mid;
  11.  
  12. 		if (midPierwiastek > N)
  13. 		 right = mid;
  14.  
  15. 		 else 
  16.  
  17. 		 left = mid;
  18. 	}
  19. 	return (left + right) /2;
  20. }
  21. 	int main()
  22. 	{
  23. 		double N;
  24. 		cout << "Podaj liczbę: ";
  25. 		cin >> N;
  26.  
  27. 		double result = SzescianPierwiastek(N);
  28. 		cout << "Pierwiastek sześcienny z " << N << " wynosi: " <<result << endl;
  29. 		return 0;
  30. 	}
  31.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
216
stdout 
Podaj liczbę: Pierwiastek sześcienny z 216 wynosi: 6
https://ideone.com/jeQE2Y
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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