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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.     double c = 15.0;
  8.     double eps = 0.001;
  9.     double x = c;        // początkowe przybliżenie
  10.     double x_prev;
  11.  
  12.     do {
  13.         x_prev = x;
  14.         x = 0.5 * (x_prev + c / x_prev);
  15.     } while (fabs(x - x_prev) > eps);
  16.  
  17.     cout << "Pierwiastek kwadratowy z " << c << " wynosi: " << x << endl;
  18.  
  19.     return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5320KB
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stdin
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Standard input is empty
stdout
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Pierwiastek kwadratowy z 15 wynosi: 3.87298
https://ideone.com/Rqvasl
language:
C++ (gcc 8.3)
created:
14 hours ago
visibility:
public

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