public int MaxAreaOfIsland(int[,] grid)
{
int l1 = grid.GetLength(0);
int l2 = grid.GetLength(1);
MySet[,] sets = new MySet[l1, l2];
int max = 0;
for (int i = 0; i < l1; ++i)
{
for (int j = 0; j < l2; ++j)
{
if (grid[i, j] == 0)
{
continue;
}
MySet cur = null;
cur = new MySet();
sets[i, j] = cur;
if (i > 0)
{
cur = cur.Merge(sets[i - 1, j]);
}
if (j > 0)
{
cur = cur.Merge(sets[i, j - 1]);
}
if (cur.Size > max)
{
max = cur.Size;
}
}
}
return(max);
}
public void TestSetMerge()
{
MySet myset1 = new MySet(SimpleBitmap.BitmapOf);
myset1.Add(new Node()
{
Name = "a", Number = 1
});
myset1.Add(new Node()
{
Name = "a", Number = 3
});
MySet myset2 = new MySet(SimpleBitmap.BitmapOf);
myset2.Add(new Node()
{
Name = "a", Number = 2
});
myset2.Add(new Node()
{
Name = "b", Number = 1
});
MySet myset3 = MySet.Merge(myset1, myset2, SimpleBitmap.BitmapOf);
Assert.IsTrue(myset3.Contains(new Node()
{
Name = "a", Number = 1
}));
Assert.IsTrue(myset3.Contains(new Node()
{
Name = "a", Number = 2
}));
Assert.IsTrue(myset3.Contains(new Node()
{
Name = "a", Number = 3
}));
Assert.IsTrue(myset3.Contains(new Node()
{
Name = "b", Number = 1
}));
}