求三阶行列式的值

using System;
class Test
{
public static void Main()
{
Console.WriteLine ("该程序将求出三阶行列式的值:");
int[,] A=new int [3,3];
for(int i=0;i<3;i++)
{
for(int j=0;j<3;j++)
{
Console.WriteLine ("请输入第{0}行第{1}列的值:",i+1,j+1);
A[i,j]=int.Parse (Console.ReadLine ());
}
}
Console.WriteLine ("你输入的行列式为:");
for(int i=0;i<3;i++)
{
for(int j=0;j<3;j++)
{
Console.Write(A[i,j]+"\t");
}
Console.WriteLine ();
}
int result=A[0,0]*A[1,1]*A[2,2]+A[0,1]*A[1,2]*A[2,0]+A[1,0]*A[2,1]*A[0,2]-A[2,0]*A[1,1]*A[0,2]-A[1,0]*A[0,1]*A[2,2]-A[2,1]*A[1,2]*A[0,0];
Console.WriteLine ("该三行列式的值是:"+result);
}
}