怎么用打印出杨辉三角形啊

[tangulao6575]

怎么打印出如下杨辉三角形？

1
1 2 1
1 3 3 1
1 4 6 4 1

[bdmh]

http://wzcsying.blog.51cto.com/284684/53767/

[烈火蜓蜻]

http://blog.csdn.net/linux7985/article/details/5987155

多个方法实现杨辉三角形

[冰镇宝贝321]

http://wzcsying.blog.51cto.com/284684/53767/http://wzcsying.blog.51cto.com/284684/53767/

[桑子]

我知道的可以用二维数组来做

[wuyq11]

http://topic.csdn.net/u/20090530/17/393a6b38-10dd-4031-9093-03f7c8130072.html

[落尘521]

我的面试题也差不多是用两个for循环做出来，
---*---
-*-*-*-
*-*-*-*
-*-*-*-
---*---
求大侠们指点下

[threenewbee]

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

namespace ConsoleApplication1
{
    static class Helper
    { 
        //m!/(n!*(m-n)!)
        public static int C(int m, int n)
        {
            return facEx(n + 1, m) / facEx(2, m - n);
        }

        private static int facEx(int from, int to)
        {
            int result = 1;
            for (int i = from; i <= to; i++)
            {
                result *= i;
            }
            return result;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            int n = 8;
            int[][] result = new int[n + 1][];
            for (int i = 0; i < n + 1; i++)
            {
                result[i] = new int[i + 1];
                for (int j = 0; j <= i; j++)
                {
                    result[i][j] = Helper.C(i, j);
                }
            }
            foreach (int[] item in result)
            {
                Console.WriteLine(string.Join(" ", item.Select(x => x.ToString().PadLeft(3, ' ')).ToArray()));
            }
        }
    }
}

1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1
1 7 21 35 35 21 7 1
1 8 28 56 70 56 28 8 1
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