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rikardoricz

14 IF Tomasz Świątek 3BTI/2

Nov 17th, 2020
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C++ 0.73 KB | None | 0 0
  1. #include <iostream>
  2. #include <math.h>
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8.     float a,b,c,delta,x0,x1,x2;
  9.  
  10.     cout << "Podaj wspolczynniki liczbowe rownania kwadratowego" << endl;
  11.     cout << "A: " << endl;
  12.     cin >> a;
  13.     cout << "B: " << endl;
  14.     cin >> b;
  15.     cout << "C: " << endl;
  16.     cin >> c;
  17.  
  18.     delta = b*b-4*a*c;
  19.     x0 = (-1*b)/(2*a);
  20.     x1 = (-1*b-sqrt(delta))/(2*a);
  21.     x2 = (-1*b+sqrt(delta))/(2*a);
  22.  
  23.     if (delta>0)
  24.     {
  25.         cout << "Rownanie ma 2 rozwiazania: x1 = " << x1 << " x2 = " << x2;
  26.     }
  27.     else if (delta==0)
  28.     {
  29.         cout << "Rownanie ma 1 rozwiazanie: " << x0;
  30.     }
  31.     else
  32.     {
  33.         cout << "Rownanie nie ma rozwiazan. Delta < 0";
  34.     }
  35.     return 0;
  36. }
  37.  
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