project-euler/Sidef/042 Coded triangle numbers.sf

#!/usr/bin/ruby

# Daniel "Trizen" Șuteu
# License: GPLv3
# https://github.com/trizen

# https://projecteuler.net/problem=42

# Runtime: 0.653s

var words = eval('[' + %f'p042_words.txt'.read + ']')

var dict = Hash()
dict{('A'..'Z')...} = (1..26)...

say words.count { |word|
    8*word.chars.map{ dict{_} }.sum + 1 -> is_square
}