编写用于回文生成的C或C#程序

问题描述

我需要C或C#代码才能获得这样的输出

I need C or C# code to get output like this

ABCDEFEDCBA
ABCDDCBA
ABCCBA
ABBA
AA

推荐答案

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace sample
{
    class Program
    {
        static void Main(string[] args)
        {
            Program p = new Program();
            p.PrintMethod();
        }

        public void PrintMethod()
        {
            int length;
            string[] chars = new string[] {"A","B","C","D","E","F" };
            length = chars.Length - 1;
            while (chars[0] != string.Empty)
            {
                foreach (string str in chars)
                {
                    if (str == string.Empty)
                    {
                        Console.Write(" ");
                    }
                    else
                    {
                        Console.Write(str);
                    }
                }

                for (int i = chars.Length - 2; i >= 0; i--)
                {
                    if (chars[i] == string.Empty)
                    {
                        Console.Write(" ");
                    }
                    else
                    {
                        Console.Write(chars[i]);
                    }
                }
                chars[length] = string.Empty;
                Console.Write(Environment.NewLine);
                length--;
            }
            Console.ReadLine();
        }
    }
}

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