Number Class

SUBMITTED BY: Guest

DATE: Feb. 20, 2014, 10:51 a.m.

FORMAT: C++

SIZE: 1.2 kB

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  1. #include <iostream>
  2. using namespace std;
  3. class number
  4. {
  5. private:
  6. int value;
  7. public:
  8. number(int x){value=x;}
  9. bool isPrime();
  10. bool isOdd();
  11. long long factorial();
  12. };
  15. bool number::isPrime()
  16. {
  17. int a;
  18. int n=value;
  19. if(n<=1)
  20. return false;
  21. for(a=2;a<n;a++)
  22. {
  23. if(n%a==0)
  24. return false;
  25. }
  26. return true;
  27. }
  29. bool number::isOdd()
  30. {
  31. if(value%2==0)
  32. return false;
  33. else
  34. return true;
  35. }
  37. long long number::factorial()
  38. {
  39. int i;
  40. long long factValue=1;
  41. for(i=1;i<=value;i++)
  42. {
  43. factValue=factValue*i;
  44. }
  45. return factValue;
  46. }
  48. int main()
  49. {
  50. int x;
  51. cout<< "Enter an interger(Must be greater than 0): ";
  52. cin>>x;
  53. number a(x);
  54. if(a.isPrime()==true)
  55. cout <<"Prime: Yes"<< endl;
  56. else
  57. cout <<"Prime: No"<< endl;
  58. if(a.isOdd()==true)
  59. cout<<x <<" is a Odd number"<< endl;
  60. else
  61. cout<<x <<" is a Even number"<< endl;
  62. cout<< "Factorial: "<<a.factorial()<<endl;
  64. return 0;
  65. }
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