using System; |
namespace 三角数阵1 |
{ |
class Program |
{ |
static void Main( string [] args) |
{ |
Console.Write( "输入三角形边长(字符数):" ); |
int n = int .Parse(Console.ReadLine()); |
Console.WriteLine(); |
Triangle(n); |
Console.ReadKey(); |
} |
public static void Triangle( int n) |
{ |
int a = 0; |
for ( int i = 0; i < n; i++) |
{ |
for ( int j = 0; j < n - i; j++) |
{ |
a += i + j + 1; |
Console.Write( "{0,5}" , a); |
} |
Console.WriteLine(); |
a = i * (i + 1) / 2; |
} |
Console.WriteLine(); |
} |
|
} |
} |