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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.     float a = 1.0f;
  8.     float b = 10000.0f;
  9.     float c = 1.0f;
  10.  
  11.     float delta = b * b - 4 * a * c;
  12.  
  13.     cout << "Delta = " << delta << endl;
  14.  
  15.     if (delta > 0) {
  16.         float x1 = (-b - sqrt(delta)) / (2 * a);
  17.         float x2 = (-b + sqrt(delta)) / (2 * a);
  18.  
  19.         cout << "Dwa pierwiastki rzeczywiste:" << endl;
  20.         cout << "x1 = " << x1 << endl;
  21.         cout << "x2 = " << x2 << endl;
  22.     } 
  23.     else if (delta == 0) {
  24.         float x = -b / (2 * a);
  25.         cout << "Jeden pierwiastek podwojny:" << endl;
  26.         cout << "x = " << x << endl;
  27.     } 
  28.     else {
  29.         cout << "Brak pierwiastkow rzeczywistych." << endl;
  30.     }
  31.  
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0.01s 5308KB
comments (?)
stdin 
Standard input is empty
stdout 
Delta = 1e+08
Dwa pierwiastki rzeczywiste:
x1 = -10000
x2 = 0
https://ideone.com/XY79iZ
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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