انجمنصفحه اولجستجوی انجمن

[ƊƦЄƛM]

کلاس ریاضی - توابع: فاکتوریل ، اعداد کامل ، اعداد اول ، اعداد زوج و فرد ، تابع total

کد:

#include "stdafx.h"
#include <iostream>
#include <conio.h>
using namespace std;

class math
{
   private:
       long int number;
       int x,y;
   public:

      long int fact (long int number)
      {
          if (number <= 1)
             return 1;

          else
             return number * fact(number-1);
      }
////////////////////////////////////////////////////////////////////////////////
      bool even_odd (int number)
      {
          if(number % 2 == 0)
            return true;
          else
            return false;
      }
//////////////////////////////////////////////////////////////////////////////////
      bool complete (int number)
      {
         int sum = 1;
    
         for (int i=2; i < number ; i++){
            if (number % i == 0)
            sum += i;
         }
         if ( sum == number)
           return true;
         else
           return false;
      }
///////////////////////////////////////////////////////////////////////////////////
      bool prim   (int number)
       {
        for(int i=1; i<=(number/2); i++)
          if(i==1 || i==number)
           continue;
          else if(number % i==0)
            return false;

            return true;
      }
///////////////////////////////////////////////////////////////////////////////////
      void total (int x, int y)
      {
        ////////////prim
        cout << endl<<"the prim numbers:";
           for(int i=x ; i<=y ; i++)
           {
             if(prim(i))
               cout <<i<<" , ";
           }

        ///////////compelete
        cout<<endl<<endl<<"compelete numbers :";
           for(int i=x ; i<=y ; i++)
           {
             if(complete(i))
                cout <<i<<" , ";
           }
        //////////even
        cout <<endl<< endl<<"the even numbers:";
        for(int i=x ; i<=y ; i++)
        {
            if(even_odd(i))
               cout <<i<<" , ";
        }
       /////////////odd  
       cout <<endl<<endl<< "the odd numbers:";
        for(int i=x ; i<=y ; i++)
        {
            if(even_odd(i)==false)
              cout <<i<<" , ";
        }
}

};



int _tmain(int argc, _TCHAR* argv[])
{
    math m1;
    long int num;
    int option;
    cout << "plz enter operation: fact=1,prim=2,complete=3,even_odd=4,total=5"<<endl;
    cin >> option;

    switch (option)
    {
    case 1:
        cout << "plz enter a number:";
        cin >> num;
        cout << "factoril is:"<<m1.fact(num)<<endl;
        break;
    case 2:
        cout << "plz enter a number:";
        cin >> num;
        if(m1.prim(num))
            cout << "the number is prim";
        else
            cout << "the number isn't prim";
        break;
    case 3:
        cout << "plz enter a number:";
        cin >> num;
        if(m1.complete(num))
            cout << "the number is complete"<<endl;
        else
            cout << "the number isn't complete"<<endl;
        break;
    case 4:
        cout << "plz enter a number:";
        cin >> num;
        if(m1.even_odd(num))
            cout << "the number is even"<<endl;
        else
            cout << "the number is odd"<<endl;
        break;
    case 5:
        int num1,num2;
         cout << "enter two numbers:";
        cin>>num1>>num2;
        m1.total(num1,num2);
        break;
    default:
        cout<<"I'm sorry, it's impossibe";
        break;
    }
    
    _getch();
    return 0;
}