问DotNetFiddle和Console.ReadLine在按ENTER键时会导致重新运行的问题。

EN

int randomNumber;
int guess;
int countGuess;
bool correctGuess = false;
bool alreadyCalled = false;
int lastGuess;

public void Main()
{
    if(!alreadyCalled)
    {
        RandomNumberGenerator();
        alreadyCalled = true;
    }
    GuessWhatNumber();
}

private void GuessWhatNumber()
{
    while(!correctGuess)
    {
        Console.WriteLine("Guess the number : ");
        guess = Convert.ToInt32(Console.ReadLine());
        
        if(guess > randomNumber)
        {
            Console.WriteLine("Too High");
            correctGuess = false;
        }
        else if(guess < randomNumber)
        {
            Console.WriteLine("Too Small");
            correctGuess = false;
        }
        else    
        {
            Console.WriteLine("Correct!");
            correctGuess = true;
            countGuess = 0;
            Environment.Exit(0);
        }
        
        if(lastGuess != guess)
        {
            countGuess+=1;
            Console.WriteLine("Count of Guess : " + countGuess);
        }
        else
        {
            Console.WriteLine("Count of Guess is Still: " + countGuess);
        }
        lastGuess = guess;
    }
}

private void RandomNumberGenerator()
{
    Random rand = new Random();
    randomNumber = rand.Next(50);
    Console.WriteLine("Number To Guess : " + randomNumber); 
}