数组分为一维数组，二维数组，多为数组

//一维数组【相同数据类型】
            //第一种定义方式
            //int[] shuzu = new int[5];
            //for (int i = 0; i < 5; i++)
            //{
            //    shuzu[i] = i + 1;
            //}
            //    //索引从0开始
            //    //赋值
            //    //shuzu[0] = 1;
            //    //shuzu[1] = 2;
            //    //shuzu[2] = 3;
            //    //shuzu[3] = 4;
            //    //shuzu[4] = 5;
            //    ////shuzu[5] = 6;
            //    ////shuzu[6] = 7;
            //    Console.WriteLine(shuzu[4]);


            //第二种定义方式
            //int[] shuzu = new int[] { 1,2,3,4,5 };
            //Console.WriteLine(shuzu[2]);




            //从控制台输入10个人的年龄放入数组，
            //将十个人的年龄求总和
            //int [] age=new int [10];
            //int sum = 0;
            //for (int i = 0; i < 10; i++)
            //{
            //    Console.Write("请输入第"+(i+1)+"个人的年龄：");
            //    age[i] = int.Parse(Console.ReadLine());
            //    sum += age[i];
            //}

            //Console.WriteLine(sum);

            //输入人名放进数组，输出第5个人的姓名
            //Console.Write("请输入有几个人：");
            //int a = int.Parse(Console.ReadLine());

            //string [] name =new string [a];
            //for (int i = 0; i < a;i++ )
            //{
            //    Console.Write("请输入第" + (i + 1) + "个人的姓名：");
            //    name[i] = Console.ReadLine();
            //}
            //Console.WriteLine(name[4]);



            //输入班级人数，根据人数，
            //挨个输入成绩，求平均分
            //Console.Write("请输入班级人数：");
            //int a = int.Parse(Console.ReadLine());
            //double [] fen = new double [a];
            //double sum = 0;
            //for (int i = 0; i < a;i++ )
            //{
            //    Console.Write("请输入第"+(i+1)+"个人的分数：");
            //    fen[i] = double.Parse(Console.ReadLine());
            //    sum += fen[i];
            //}

            //Console.WriteLine("班级平均分为："+sum/a);


            //二维数组
            //int[,] shuzu = new int[3, 4];
            //int[,] shuzu = new int[,] {
            //{1,2,3,4},
            //{5,6,7,8},
            //{6,7,8,9}
            //};

            //string[,] shuzu = new string[,] {
            //{"  ","■","■","■","■","■",""},
            //{"  ","  ","  ","■","","",""},
            //{"  ","  ","  ","■","","",""},
            //{"  ","  ","■","■","■","",""},
            //{"  ","  ","  ","■","  ","  ",""},
            //{"  ","  ","  ","■","  ","  ",""},
            //{"■","■","■","■","■","■","■"}
            //};

            //for (int i = 0; i < 7; i++)
            //{
            //    for (int j = 0; j < 7; j++)
            //    {
            //        Console.Write(shuzu[i, j]);
            //    }
            //    Console.WriteLine();
            //}


            //输入班级人数，将每个人的
            //语文，数学，英语成绩输入二维数组
            //Console.Write("请输入班级人数：");
            //int a = int.Parse(Console.ReadLine());
            //double [,] shuzu = new double [a,3];

            //for (int i = 0; i < a; i++)
            //{
            //    for (int j = 0; j < 3; j++)
            //    {
            //        if (j == 0)
            //        {
            //            Console.Write("请输入第"+(i+1)+"个人的语文成绩：");
            //        }
            //        if (j == 1)
            //        {
            //            Console.Write("请输入第" + (i + 1) + "个人的数学成绩：");
            //        }
            //        if (j == 2)
            //        {
            //            Console.Write("请输入第" + (i + 1) + "个人的英语成绩：");
            //        }
            //        shuzu[i, j] = double.Parse(Console.ReadLine());
            //    }
            //}



            //    Console.ReadLine();



            //三维数组
            //int[, ,] shuzu = new int[3, 2, 4];

            //{ 
            //    {
            //        {,,,},
            //        {,,,} 
            //    },
            //    {
            //        {,,,},
            //        {,,,}
            //    },
            //    {
            //        {,,,},
            //        {,,,}
            //    } 
            //};

 string[,] shuzu = new string[8, 7]{           
                {"  ","  ","  ","■","","","" },
                {"  ","  ","■","  ","■","","" },
                {"  ","■","  ","■","  ","■","" } ,
                {"■","  ","  ","■","  ","  ","■" },
                {"  ","  ","  ","■","■","",""},
                {"  ","■","  ","■","","","" }, 
                {"  ","■","  ","■","","","" },
                {"■","■","■","■","■","■","■" },
            };

            for (int i = 0; i < 8; i++)
            {
                for (int j = 0; j < 7; j++)
                {
                    Console.Write(shuzu[i, j]);

                }
                Console.WriteLine();
            }