public void Solution()
{
/*
* Using words.txt (right click and 'Save Link/Target As...'), a 16K text file containing nearly two-thousand common English words,
* how many are triangle words?
*/
var sut = new E042Codedtrianglenumbers(GetNamesFromFile().Select(n => n.Length).Max());
Assert.Equal(162, sut.GetNumberOfTriangleWords(GetNamesFromFile()));
/*
* Congratulations, the answer you gave to problem 42 is correct.
*
* You are the 65953rd person to have solved this problem.
*/
}
public void Test1()
{
/*
* The nth term of the sequence of triangle numbers is given by, tn = ½n(n+1); so the first ten triangle numbers are:
*
* 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, ...
*
* By converting each letter in a word to a number corresponding to its alphabetical position and adding these values we form a word value.
* For example, the word value for SKY is 19 + 11 + 25 = 55 = t10.
* If the word value is a triangle number then we shall call the word a triangle word.
*/
var sut = new E042Codedtrianglenumbers(3);
var names = GetNamesFromFile();
Assert.True(sut.IsTriangleWord("SKY"));
Assert.False(sut.IsTriangleWord("JAN"));
}
