Example: C# Program to Convert Decimal to Binary Using Recursion

C
C++
C#
Java
Python
PHP

// C# Program to Convert Decimal to Binary Using Recursion
using System;

class W3CW
{
    // Recursive function
    static void ConvertToBinary(int num)
    {
        if (num == 0)
            return;

        ConvertToBinary(num / 2);
        Console.Write(num % 2);
    }

    static void Main()
    {
        int number = 10;
        Console.Write("Binary: ");
        if (number == 0)
            Console.Write("0");
        else
            ConvertToBinary(number);
        Console.WriteLine();
    }
}