Created
March 18, 2014 13:29
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Largest Product of Five (Euler 8)
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| def largest_product(digits) | |
| product_of_five(digits).max | |
| end | |
| def product_of_five(digits) | |
| digit_array = digits.to_s.split("") | |
| digit_array[0..-5].map.with_index do |digit, i| | |
| digit.to_i * digit_array[i+1].to_i * digit_array[i+2].to_i * digit_array[i+3].to_i * digit_array[i+4].to_i | |
| end | |
| end |
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