Untitled

// Online C# Editor for free
// Write, Edit and Run your C# code using C# Online Compiler

using System;

public class HelloWorld
{
    public static void Main(string[] args)
    {
        Console.WriteLine("Enter a text: ");
        string text = Console.ReadLine();
        
        Console.WriteLine("Enter a symbol: ");
        var symbol = Console.ReadLine();
        char symbolC = Convert.ToChar(symbol[0]);
        char[] textC = text.ToCharArray();
        char[] textNew = new char[textC.Length];
        
        for (int i = 0; i < textC.Length; i++)
        {
            if(textC[i] == symbolC)textC[i] = '0';
        }
         
        for (int i = 0; i < textC.Length; i++)
        {
            if(textC[i] != '0')
            {
            textNew[i] = textC[i];
            Console.Write(textNew[i]);
            }
        }
        

            
            Console.ReadLine();
    }
}