C# Program to reverse a number

In this program, You will learn how to reverse a number in C#.

123 => 321

401 => 104

Example: How to reverse a number in C#.

using System;
public class Program
	public static void Main(string[] args)
		int n, r, rev = 0;

		Console.Write("Enter a number:");
		n = Convert.ToInt32(Console.ReadLine());

		while (n > 0)
			r = n % 10;
			rev = rev * 10 + r;
			n = n / 10;

		Console.WriteLine("Reverse number is:" + rev);


Enter a number:123
Reverse number is:321

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