编辑代码

using System;

public class HelloWorld
{
    public static void Main()
    {
       Random rnd = new Random();
            int num, ans; 
            while(true)
            {
                int t=0;
                num = rnd.Next(10, 101);
                Console.Write("请输入[10,100]的数字：");
                ans = Convert.ToInt32(Console.ReadLine()); 
             while (true)
            {
                
                if (ans > num)
                {
                    Console.WriteLine("大了，请重新输入：");
                    ans = Convert.ToInt32(Console.ReadLine());t++;
                }
                else if(ans < num)
                {
                    Console.WriteLine("小了，请重新输入：");
                    ans = Convert.ToInt32(Console.ReadLine());t++;
                }
                else if(ans == num)
                {
                    Console.WriteLine($"答对了,用了{t}次");break;
                }
            }
                Console.Write("是否再玩一次？");       
                String ch = Convert.ToString(Console.ReadLine());
                if(ch != "是")
                {
                    Console.Write("再见");break;
                }
               
            }

    }
}