static void Main(string[] args)
{
int[,] grid = new int[, ] {
{ 08, 02, 22, 97, 38, 15, 00, 40, 00, 75, 04, 05, 07, 78, 52, 12, 50, 77, 91, 08 },
{ 49, 49, 99, 40, 17, 81, 18, 57, 60, 87, 17, 40, 98, 43, 69, 48, 04, 56, 62, 00 },
{ 81, 49, 31, 73, 55, 79, 14, 29, 93, 71, 40, 67, 53, 88, 30, 03, 49, 13, 36, 65 },
{ 52, 70, 95, 23, 04, 60, 11, 42, 69, 24, 68, 56, 01, 32, 56, 71, 37, 02, 36, 91 },
{ 22, 31, 16, 71, 51, 67, 63, 89, 41, 92, 36, 54, 22, 40, 40, 28, 66, 33, 13, 80 },
{ 24, 47, 32, 60, 99, 03, 45, 02, 44, 75, 33, 53, 78, 36, 84, 20, 35, 17, 12, 50 },
{ 32, 98, 81, 28, 64, 23, 67, 10, 26, 38, 40, 67, 59, 54, 70, 66, 18, 38, 64, 70 },
{ 67, 26, 20, 68, 02, 62, 12, 20, 95, 63, 94, 39, 63, 08, 40, 91, 66, 49, 94, 21 },
{ 24, 55, 58, 05, 66, 73, 99, 26, 97, 17, 78, 78, 96, 83, 14, 88, 34, 89, 63, 72 },
{ 21, 36, 23, 09, 75, 00, 76, 44, 20, 45, 35, 14, 00, 61, 33, 97, 34, 31, 33, 95 },
{ 78, 17, 53, 28, 22, 75, 31, 67, 15, 94, 03, 80, 04, 62, 16, 14, 09, 53, 56, 92 },
{ 16, 39, 05, 42, 96, 35, 31, 47, 55, 58, 88, 24, 00, 17, 54, 24, 36, 29, 85, 57 },
{ 86, 56, 00, 48, 35, 71, 89, 07, 05, 44, 44, 37, 44, 60, 21, 58, 51, 54, 17, 58 },
{ 19, 80, 81, 68, 05, 94, 47, 69, 28, 73, 92, 13, 86, 52, 17, 77, 04, 89, 55, 40 },
{ 04, 52, 08, 83, 97, 35, 99, 16, 07, 97, 57, 32, 16, 26, 26, 79, 33, 27, 98, 66 },
{ 88, 36, 68, 87, 57, 62, 20, 72, 03, 46, 33, 67, 46, 55, 12, 32, 63, 93, 53, 69 },
{ 04, 42, 16, 73, 38, 25, 39, 11, 24, 94, 72, 18, 08, 46, 29, 32, 40, 62, 76, 36 },
{ 20, 69, 36, 41, 72, 30, 23, 88, 34, 62, 99, 69, 82, 67, 59, 85, 74, 04, 36, 16 },
{ 20, 73, 35, 29, 78, 31, 90, 01, 74, 31, 49, 71, 48, 86, 81, 16, 23, 57, 05, 54 },
{ 01, 70, 54, 71, 83, 51, 54, 69, 16, 92, 33, 48, 61, 43, 52, 01, 89, 19, 67, 48 }
};
Gridx igrid = new Gridx(grid);
long largestProduct = igrid.LargestProduct(4);
Console.WriteLine("Greatest product of 4 adjacent numbers is {0}", largestProduct);
}
public void TestMaxProduct()
{
int[,] grid1 = new int[, ]
{
{ 5, 2, 3, 0, 0, 1 },
{ 5, 2, 1, 0, 0, 0 },
{ 2, 1, 2, 0, 0, 0 },
{ 1, 0, 0, 0, 0, 0 }
};
int[,] grid2 = new int[, ]
{
{ 1, 3, 2, 2, 1, 1 },
{ 2, 1, 1, 0, 1, 5 },
{ 3, 1, 2, 2, 5, 2 },
{ 3, 0, 0, 2, 0, 2 }
};
int[,] grid3 = new int[, ]
{
{ 1, 3, 2, 1, 0, 3 },
{ 1, 1, 1, 1, 1, 5 },
{ 1, 2, 2, 0, 1, 1 },
{ 1, 1, 2, 5, 5, 2 }
};
int[,] grid4 = new int[, ]
{
{ 1, 3, 2, 1, 0, 0 },
{ 1, 1, 3, 1, 1, 5 },
{ 1, 2, 2, 0, 2, 5 },
{ 1, 0, 0, 1, 1, 2 }
};
List <int[, ]> testGrids = new List <int[, ]>()
{
grid1, grid2, grid3, grid4
};
foreach (int[,] grid in testGrids)
{
Gridx igrid = new Gridx(grid);
long largestProduct = igrid.LargestProduct(3);
Assert.AreEqual(50, largestProduct);
}
}