public void BinominalCoefficient_Of4Over2_Returns6()
{
// Arrange
var n = 4;
var k = 2;
var expectedResult = 6;
// Act
var result = FactorialHelper.BinominalCoefficient(n, k);
// Assert
result.Should().Be(expectedResult);
}
public long ComputeSolution()
{
return((long)FactorialHelper.BinominalCoefficient(TOTAL_NUMBER_OF_STEPS, TOTAL_NUMBER_OF_STEPS_DOWNWARDS));
}