作业：12.23

打印以下图型：
   行i  列j  i与j关系
●●●●● 1  5
●●●●● 2  5
●●●●● 3  5
●●●●● 4  5
●●●●● 5  5

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

namespace ConsoleApplication1
{
    class Class1
    {
        //五行五列
        static void Main(string[] args)
        {
            for (int i = 1; i <= 5;i++ )
            {
                for (int j = 1; j <= 5;j++ )
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
        }
    }
}

●                1  1  j<=i
●●              2  2
●●●            3  3
●●●●           4  4
●●●●●         5  5

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

namespace ConsoleApplication1
{
    class Class2
    {
        static void Main(string[] args)
        {
            for (int i = 1; i <= 5;i++ )
            {
                for (int j = 1; j <= i;j++ )
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
        }
    }
}

●●●●●         1  5  j<=6-i  
●●●●           2  4
●●●            3  3
●●              4  2
●                5  1

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

namespace ConsoleApplication1
{
    class Class3
    {
        static void Main(string[] args)
        {
            for (int i = 1; i <= 5;i++ )
            {
                for (int j = 1; j <= 6 - i;j++ )
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
        }
    }
}

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

namespace ConsoleApplication1
{
    class Class5
    {
        static void Main(string[] args)
        {
            for (int i = 1; i <= 5;i++ )
            {
                for (int j = 1; j <= 5 - i;j++ )
                {
                    Console.Write(" ");
                }
                for (int m = 1; m <= i;m++ )
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
        }
    }
}

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

namespace ConsoleApplication1
{
    class Class4
    {
        static void Main(string[] args)
        {
            for (int i = 1; i <= 5;i++ )
            {
                for (int m = 1; m <= 5 - i;m++ )
                {
                    Console.Write(" ");
                }
                for (int j = 1; j <= (2 * i - 1);j++ )
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
        }
    }
}