Sunday 3 December 2017

C# Program to find Product of 2 Numbers using Recursion


Code:

using System;
class program
{
    public static void Main()
    {
        int a, b, result;
        Console.WriteLine("Enter two numbers to find their product: ");
        a = int.Parse(Console.ReadLine());
        b = int.Parse(Console.ReadLine());
        prog pg = new prog();
        result = pg.product(a, b);
        Console.WriteLine("Product of {0} and {1} is {2}",a, b, result);
        Console.ReadLine();
    }
}
class prog
{
    public int product(int a, int b)
    {
        if (a < b)
        {
            return product(b, a);
        }
        else if (b != 0)
        {
            return (a + product(a, b - 1));
        }
        else
        {
            return 0;
        }
    }
}


Output:

Enter two numbers to find their product:
5
6
Product of 5 and 6 is 30


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