C#之二维数组学习案例

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace YHtriangle
{
    class Program
    {
        static void Main()
        {
            int[,] a = new int[6, 6];
            a[0, 0] = 1;
            for (int i = 1; i <= 5; i++)
            {
                a[i, 0] = 1;
                a[i, i] = 1;
                for (int j = 1; j <= i; j++)
                {
                    a[i, j] = a[i - 1, j - 1] + a[i - 1, j];
                }
            }
            for (int i = 0; i <= 5; i++)
            {
                for (int j = 0; j <= i; j++)
                {
                    Console.Write("{0}", a[i, j]);
                }
                Console.WriteLine();
            }
        }
    }
}