C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
namespace NumberToWord
{
    public class Program
    {
        public static void Main(string[] args)
        {
            string numberString;
            int numberInput;
            string name= "";
            int tens;
            int ones;
            int hundreds;
            string firstName;
            string secondName;
            Console.Write("Enter a number: ");
            numberString = Console.ReadLine();
            if (Int32.TryParse(numberString, out numberInput))
            {
                if (numberInput < 10)
                {
                    switch (numberInput)
                    {
                        case 1:
                            name = "One";
                            break;
                        case 2:
                            name = "Two";
                            break;
                        case 3:
                            name = "Three";
                            break;
                        case 4:
                            name = "Four";
                            break;
                        case 5:
                            name = "Five";
                            break;
                        case 6:
                            name = "Six";
                            break;
                        case 7:
                            name = "Seven";
                            break;
                        case 8:
                            name = "Eight";
                            break;
                        default:
                            name = "Nine";
                            break;
                    }
                }
                else if (numberInput < 100)
                {
                    if (numberInput < 20)
                    {
                        switch (numberInput)
                        {
                            case 10:
                                name = "Ten";
                                break;
                            case 11:
                                name = "Eleven";
                                break;
                            case 12:
                                name = "Twelve";
                                break;
                            case 13:
                                name = "Thirteen";
                                break;
                            case 14:
                                name = "Fourteen";
                                break;
                            case 15:
                                name = "Fifteen";
                                break;
                            case 16:
                                name = "Sixteen";
                                break;
                            case 17:
                                name = "Seventeen";
                                break;
                            case 18:
                                name = "Eighteen";
                                break;
                            default:
                                name = "Nineteen";
                                break;
                        }
                    }
                    else
                    {
                        tens = (numberInput / 10) * 10;
                        ones = numberInput % 10;
                        switch (tens)
                        {
                            case 20:
                                name = "Twenty";
                                break;
                            case 30:
                                name = "Thirty";
                                break;
                            case 40:
                                name = "Fourty";
                                break;
                            case 50:
                                name = "Fifty";
                                break;
                            case 60:
                                name = "Sixty";
                                break;
                            case 70:
                                name = "Seventy";
                                break;
                            case 80:
                                name = "Eighty";
                                break;
                            default:
                                name = "Ninety";
                                break;
                        }
                        firstName = name;
                        switch (ones)
                        {
                            case 1:
                                name = "One";
                                break;
                            case 2:
                                name = "Two";
                                break;
                            case 3:
                                name = "Three";
                                break;
                            case 4:
                                name = "Four";
                                break;
                            case 5:
                                name = "Five";
                                break;
                            case 6:
                                name = "Six";
                                break;
                            case 7:
                                name = "Seven";
                                break;
                            case 8:
                                name = "Eight";
                                break;
                            default:
                                name = "Nine";
                                break;
                        }
                        name = firstName + name;
                    }
                }
                else if (numberInput < 1000)
                {
                    hundreds = numberInput / 100;
                    tens = (numberInput % 100);
                    switch (hundreds)
                    {
                        case 1:
                            name = "One";
                            break;
                        case 2:
                            name = "Two";
                            break;
                        case 3:
                            name = "Three";
                            break;
                        case 4:
                            name = "Four";
                            break;
                        case 5:
                            name = "Five";
                            break;
                        case 6:
                            name = "Six";
                            break;
                        case 7:
                            name = "Seven";
                            break;
                        case 8:
                            name = "Eight";
                            break;
                        default:
                            name = "Nine";
                            break;
                    }
                    firstName = name + " hundred ";
                    if (tens < 20)
                    {
                        switch (tens)
                        {
                            case 1:
                                name = "One";
                                break;
                            case 2:
                                name = "Two";
                                break;
                            case 3:
                                name = "Three";
                                break;
                            case 4:
                                name = "Four";
                                break;
                            case 5:
                                name = "Five";
                                break;
                            case 6:
                                name = "Six";
                                break;
                            case 7:
                                name = "Seven";
                                break;
                            case 8:
                                name = "Eight";
                                break;
                            case 9:
                                name = "Nine";
                                break;
                            case 10:
                                name = "Ten";
                                break;
                            case 11:
                                name = "Eleven";
                                break;
                            case 12:
                                name = "Twelve";
                                break;
                            case 13:
                                name = "Thirteen";
                                break;
                            case 14:
                                name = "Fourteen";
                                break;
                            case 15:
                                name = "Fifteen";
                                break;
                            case 16:
                                name = "Sixteen";
                                break;
                            case 17:
                                name = "Seventeen";
                                break;
                            case 18:
                                name = "Eighteen";
                                break;
                            default:
                                name = "Nineteen";
                                break;
                        }
                        name = firstName + name;
                    }
                    else
                    {
                        tens = ((numberInput % 100) / 10) * 10;
                        ones = (numberInput % 100) % 10;
                        switch (tens)
                        {
                            case 20:
                                name = "Twenty";
                                break;
                            case 30:
                                name = "Thirty";
                                break;
                            case 40:
                                name = "Fourty";
                                break;
                            case 50:
                                name = "Fifty";
                                break;
                            case 60:
                                name = "Sixty";
                                break;
                            case 70:
                                name = "Seventy";
                                break;
                            case 80:
                                name = "Eighty";
                                break;
                            default:
                                name = "Ninety";
                                break;
                        }
                        secondName = name;
                        switch (ones)
                        {
                            case 1:
                                name = "One";
                                break;
                            case 2:
                                name = "Two";
                                break;
                            case 3:
                                name = "Three";
                                break;
                            case 4:
                                name = "Four";
                                break;
                            case 5:
                                name = "Five";
                                break;
                            case 6:
                                name = "Six";
                                break;
                            case 7:
                                name = "Seven";
                                break;
                            case 8:
                                name = "Eight";
                                break;
                            default:
                                name = "Nine";
                                break;
                        }
                        if (ones > 0)
                        {
                            name = firstName + secondName + " " + name;
                        }
                        else
                        {
                            name = firstName + secondName;
                        }
                    }
                }
                else if (numberInput == 1000)
                {
                    Console.WriteLine("One Thousand"); 
                }
                else
                {
                    Console.WriteLine("Out of range");
                }
            }
            else
            {
                Console.WriteLine("Invalid Input.");
            }
            Console.WriteLine(name);
        }
    }
}

​x
 
using System;
namespace NumberToWord
{
    public class Program
    {
        public static void Main(string[] args)
        {
            string numberString;
            int numberInput;
            string name= "";
            int tens;
            int ones;
            int hundreds;
            string firstName;
            string secondName;
            Console.Write("Enter a number: ");
            numberString = Console.ReadLine();
            if (Int32.TryParse(numberString, out numberInput))
            {
                if (numberInput < 10)
                {
                    switch (numberInput)
                    {
                        case 1:
                            name = "One";
                            break;
                        case 2:
                            name = "Two";
                            break;
                        case 3:
                            name = "Three";
                            break;
                        case 4:
                            name = "Four";
                            break;
                        case 5:
                            name = "Five";
                            break;
                        case 6:
                            name = "Six";
                            break;
                        case 7:
                            name = "Seven";
                            break;
                        case 8:
                            name = "Eight";
                            break;
                        default:
                            name = "Nine";
                            break;
                    }
                }
                else if (numberInput < 100)
                {
                    if (numberInput < 20)
                    {
                        switch (numberInput)
                        {
                            case 10:
                                name = "Ten";
                                break;
                            case 11:
                                name = "Eleven";
                                break;
                            case 12:
                                name = "Twelve";
                                break;
                            case 13:
                                name = "Thirteen";
                                break;
                            case 14:
                                name = "Fourteen";
                                break;
                            case 15:
                                name = "Fifteen";
                                break;
                            case 16:
                                name = "Sixteen";
                                break;
                            case 17:
                                name = "Seventeen";
                                break;
                            case 18:
                                name = "Eighteen";
                                break;
                            default:
                                name = "Nineteen";
                                break;
                        }
                    }
                    else
                    {
                        tens = (numberInput / 10) * 10;
                        ones = numberInput % 10;
                        switch (tens)
                        {
                            case 20:
                                name = "Twenty";
                                break;
                            case 30:
                                name = "Thirty";
                                break;
                            case 40:
                                name = "Fourty";
                                break;
                            case 50:
                                name = "Fifty";
                                break;
                            case 60:
                                name = "Sixty";
                                break;
                            case 70:
                                name = "Seventy";
                                break;
                            case 80:
                                name = "Eighty";
                                break;
                            default:
                                name = "Ninety";
                                break;
                        }
                        firstName = name;
                        switch (ones)
                        {
                            case 1:
                                name = "One";
                                break;
                            case 2:
                                name = "Two";
                                break;
                            case 3:
                                name = "Three";
                                break;
                            case 4:
                                name = "Four";
                                break;
                            case 5:
                                name = "Five";
                                break;
                            case 6:
                                name = "Six";
                                break;
                            case 7:
                                name = "Seven";
                                break;
                            case 8:
                                name = "Eight";
                                break;
                            default:
                                name = "Nine";
                                break;
                        }
                        name = firstName + name;
                    }
                }
                else if (numberInput < 1000)
                {
                    hundreds = numberInput / 100;
                    tens = (numberInput % 100);
                    switch (hundreds)
                    {
                        case 1:
                            name = "One";
                            break;
                        case 2:
                            name = "Two";
                            break;
                        case 3:
                            name = "Three";
                            break;
                        case 4:
                            name = "Four";
                            break;
                        case 5:
                            name = "Five";
                            break;
                        case 6:
                            name = "Six";
                            break;
                        case 7:
                            name = "Seven";
                            break;
                        case 8:
                            name = "Eight";
                            break;
                        default:
                            name = "Nine";
                            break;
                    }
                    firstName = name + " hundred ";
                    if (tens < 20)
                    {
                        switch (tens)
                        {
                            case 1:
                                name = "One";
                                break;
                            case 2:
                                name = "Two";
                                break;
                            case 3:
                                name = "Three";
                                break;
                            case 4:
                                name = "Four";
                                break;
                            case 5:
                                name = "Five";
                                break;
                            case 6:
                                name = "Six";
                                break;
                            case 7:
                                name = "Seven";
                                break;
                            case 8:
                                name = "Eight";
                                break;
                            case 9:
                                name = "Nine";
                                break;
                            case 10:
                                name = "Ten";
                                break;
                            case 11:
                                name = "Eleven";
                                break;
                            case 12:
                                name = "Twelve";
                                break;
                            case 13:
                                name = "Thirteen";
                                break;
                            case 14:
                                name = "Fourteen";
                                break;
                            case 15:
                                name = "Fifteen";
                                break;
                            case 16:
                                name = "Sixteen";
                                break;
                            case 17:
                                name = "Seventeen";
                                break;
                            case 18:
                                name = "Eighteen";
                                break;
                            default:
                                name = "Nineteen";
                                break;
                        }
                        name = firstName + name;
                    }
                    else
                    {
                        tens = ((numberInput % 100) / 10) * 10;
                        ones = (numberInput % 100) % 10;
                        switch (tens)
                        {
                            case 20:
                                name = "Twenty";
                                break;
                            case 30:
                                name = "Thirty";
                                break;
                            case 40:
                                name = "Fourty";
                                break;
                            case 50:
                                name = "Fifty";
                                break;
                            case 60:
                                name = "Sixty";
                                break;
                            case 70:
                                name = "Seventy";
                                break;
                            case 80:
                                name = "Eighty";
                                break;
                            default:
                                name = "Ninety";
                                break;
                        }
                        secondName = name;
                        switch (ones)
                        {
                            case 1:
                                name = "One";
                                break;
                            case 2:
                                name = "Two";
                                break;
                            case 3:
                                name = "Three";
                                break;
                            case 4:
                                name = "Four";
                                break;
                            case 5:
                                name = "Five";
                                break;
                            case 6:
                                name = "Six";
                                break;
                            case 7:
                                name = "Seven";
                                break;
                            case 8:
                                name = "Eight";
                                break;
                            default:
                                name = "Nine";
                                break;
                        }
                        if (ones > 0)
                        {
                            name = firstName + secondName + " " + name;
                        }
                        else
                        {
                            name = firstName + secondName;
                        }
                    }
                }
                else if (numberInput == 1000)
                {
                    Console.WriteLine("One Thousand"); 
                }
                else
                {
                    Console.WriteLine("Out of range");
                }
            }
            else
            {
                Console.WriteLine("Invalid Input.");
            }
            Console.WriteLine(name);
        }
    }
}
​

Compilation error (line 14, col 0): 'file' is a type and cannot be used as an expression.

Last Run:	2:24:04 pm
Compile:	0s
Execute:	0.186s
Memory:	0b
CPU:	0s

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