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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6.     double c = 36.0;      // liczba, z ktorej liczymy pierwiastek (c > 1)
  7.     double eps = 0.00001; // dokladnosc
  8.     double a = 1.0;
  9.     double b = c;
  10.     double x;
  11.  
  12.     // bisekcja
  13.     while (b - a > eps) {
  14.         x = (a + b) / 2.0;
  15.  
  16.         if (x * x > c)
  17.             b = x;
  18.         else
  19.             a = x;
  20.     }
  21.  
  22.     double pkw = (a + b) / 2.0;
  23.  
  24.     cout << "pkw = " << pkw << endl;
  25.  
  26.     return 0;
  27. }
  28.  
Success #stdin #stdout 0s 5312KB
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stdin
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Standard input is empty
stdout
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pkw = 6
https://ideone.com/jUJto9
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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