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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. void bsqrmin4ac(double a, double b, double c);
  5. double posovr2a(double sqrtd, int a, int b);
  6. double negovr2a(double sqrtd, int a, int b);
  7. void zerodet(double a2, double b2);
  8. void posdet(double d, double a2, double b2);
  9.  
  10. int main()
  11. {
  12.     std::cout << "Hello there uwu uwu uwu\n";
  13.     double a {};
  14.     double b {};
  15.     double c {};
  16.     std::cout << "enter a: " << "\n";
  17.         std::cin >> a;
  18.     std::cout << "enter b: " << "\n";
  19.         std::cin >> b;
  20.     std::cout << "enter c: " << "\n";
  21.         std::cin >> c;
  22.     bsqrmin4ac(a,b,c);
  23.     return 0;
  24. }
  25.  
  26. void bsqrmin4ac(double a, double b, double c)
  27. {
  28.     double a2{ a };
  29.     double b2{ b };
  30.     double d{ (b * b) - (4 * a * c) };
  31.    
  32.     if (d < 0)
  33.         std::cout << "We do not support negative determinant, shoo before Putin arrests you...";
  34.     if (d > 0)
  35.         posdet(d, a2, b2);
  36.     if (d == 0)
  37.         zerodet(a2, b2);
  38. }
  39.  
  40. double posovr2a(double sqrtd, double a, double b)
  41. {
  42.     double h{ ((0 - b) + sqrtd) / (2*a) };
  43.     return h;
  44. }
  45.  
  46. double negovr2a(double sqrtd, double a, double b)
  47. {
  48.     double f{ ((0 - b) - sqrtd )/ (2*a) };
  49.     return f;
  50. }
  51.  
  52. void posdet(double d, double a2, double b2)
  53. {
  54.     double sqrtd{ sqrt(d) };
  55.     double ans1{ posovr2a(sqrtd, a2, b2) };
  56.     double ans2{ negovr2a(sqrtd, a2 ,b2) };
  57.     std::cout << "x1: " << ans1 << "\n";
  58.     std::cout << "x2: " << ans2 << "\n";
  59. }
  60.  
  61. void zerodet(double a2, double b2)
  62. {
  63.     double m{ (0 - b2) / (2 * a2) };
  64.     std::cout << "zero determinant: " << m << "\n";
  65. }
  66.  
  67. //sanity check, ignore
  68. /*
  69. int main()
  70. {
  71.     double s{};
  72.     std::cin >> s;
  73.     double f{ sqrt(s) };
  74.     std::cout << f;
  75.     return 0;
  76. }*/
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