public void RoutesThroughGrid_3x3_6()
{
var expected = new BigInteger(6);
var actual = P015.RoutesThroughGrid(2, 2);
Assert.AreEqual(expected, actual);
}
public void RoutesThroughGrid_21x21_Answer()
{
var expected = new BigInteger(137846528820);
var actual = P015.RoutesThroughGrid(20, 20);
Assert.AreEqual(expected, actual);
}
public void RoutesThroughGrid_2x2_2()
{
var expected = new BigInteger(2);
var actual = P015.RoutesThroughGrid(1, 1);
Assert.AreEqual(expected, actual);
}