Doubles the user's number with a function - C++ Function

C++ examples for Function:Function Creation

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Description

Doubles the user's number with a function

Demo Code

#include <iostream>
using namespace std;
int doub (int num);
int main()/*w  w  w .j  av  a  2  s .c  o  m*/
{
   int number;      
   int d_number;    
   cout << "What number do you want doubled? ";
   cin >> number;
   d_number = doub(number);   
   cout << number << " doubled is " << d_number;
   return 0;
}
int doub(int num)
{
   int d_num;
   d_num = num * 2;           
   return (d_num);            
}

Result


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