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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. double *dodaj(int a, int b)
  5. {
  6.     double *c = new double;
  7.     *c = a + b;
  8.     return c;
  9. }
  10. double *odejmij(int a, int b)
  11. {
  12.     double *c = new double;
  13.     *c = a - b;
  14.     return c;
  15. }
  16. double *pomnoz(int a, int b)
  17. {
  18.     double *c = new double;
  19.     *c = a * b;
  20.     return c;
  21. }
  22. double *podziel(int a, int b)
  23. {
  24.     double *c = new double;
  25.     if (b != 0)
  26.         *c = (double)a / b;
  27.     else
  28.         *c = 0;
  29.     return c;
  30. }
  31.  
  32. int main()
  33. {
  34. 	double *(*g)(int, int);
  35. 	g = dodaj;
  36. 	cout << *g(2, 4) << endl;
  37. 	g = odejmij;
  38. 	cout << *g(2, 4) << endl;
  39. 	g = pomnoz;
  40. 	cout << *g(2, 4) << endl;
  41. 	g = podziel;
  42. 	cout << *g(2, 4) << endl;
  43.  
  44. 	return 0;
  45. }
Success #stdin #stdout 0s 3272KB
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Standard input is empty
stdout
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6
-2
8
0.5
https://ideone.com/RmcU1P
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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