public void Test1()
{
/*
* An irrational decimal fraction is created by concatenating the positive integers:
* 0.123456789101112131415161718192021...
* It can be seen that the 12th digit of the fractional part is 1.
*/
var sut = new E040Champernowneconstant(20);
Assert.Equal(1, sut.GetDigitNumber(12));
Assert.Equal(4, sut.GetDigitNumber(19));
}
public void Solution()
{
/*
* d1 × d10 × d100 × d1000 × d10000 × d100000 × d1000000
*/
var sut = new E040Champernowneconstant(1000000);
Assert.Equal(210, sut.GetDigitNumberProduct());
/*
* Congratulations, the answer you gave to problem 40 is correct.
*
*/
}
