#代碼

string m = Console.ReadLine();

int n = Convert.ToInt32(m);

for (int i = 1; i <= n; i++)

{

for (int j = 1; j <= n - i; j++)

?{

?Console.Write("");

?}

for (int j = 1; j <= 2 * i - 1; j++)

?{

Console.Write("*");

}

Console.WriteLine();

}

?Console.WriteLine();

Console.ReadKey();

?}

}

?}