Example: C# Program to Convert Decimal to Binary Using Bitwise Operator

C
C++
C#
Java
Python
PHP
// C# Program to Convert Decimal to Binary Using Bitwise Operator
using System;

class W3CW
{
    // Main function
    static void Main()
    {
        // Step-1 Declare the input number
        int num = 10;

        // Step-2 Handle the zero case
        if (num == 0)
        {
            Console.WriteLine("Binary: 0");
            return;
        }

        // Step-3 Build binary string using bitwise shift
        string binary = "";
        for (int i = 31; i >= 0; i--)
        {
            int k = num >> i;

            // Check each bit
            if ((k & 1) == 1)
                binary += "1";
            else if (binary.Length > 0) // skip leading zeros
                binary += "0";
        }

        // Step-4 Print the binary output
        Console.WriteLine("Binary: " + binary);
    }
}