#代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication4
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("请输入三角形高度");
int hang = Convert.ToInt32(Console.ReadLine());
for (int i = 0; i < hang; i++)
{
for(int j=hang-i-1;j>0;j--)
{
Console.Write("\0");
}
for (int x = 0; x < 2 * i +1; x++)
{
Console.Write("*");
}
Console.WriteLine("");
}
Console.ReadKey();
}
}
}
#效果
