static Diem LayDiemNgauNhien(int[,] arr)
{
var rd = new Random();
var list = new List <Diem>();
for (int i = 0; i < arr.GetLength(0); i++)
{
for (int j = 0; j < arr.GetLength(1); j++)
{
if (arr[i, j] == 1)
{
var diem = new Diem(i, j);
list.Add(diem);
}
}
}
if (list.Count == 0)
{
return(null);
}
return(list[rd.Next(0, list.Count)]);
}
public List <List <Diem> > CacDuongDiTrongMang()
{
var ret = new List <List <Diem> >();
for (int i = 0; i < arr.GetLength(0); i++)
{
for (int j = 0; j < arr.GetLength(1); j++)
{
if (Arr[i, j] == 1)
{
var diem = new Diem(i, j);
var arr1 = Arr.Clone() as int[, ];
arr = arr1;
tapDiemDaDuyet = new List <Diem>();
TimTheoDuongThang(diem);
if (tapDiemDaDuyet.Count > 1)
{
ret.Add(tapDiemDaDuyet);
}
}
}
}
return(ret);
}