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Divya's binary_to_decimal.rb #37

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6 changes: 5 additions & 1 deletion lib/binary_to_decimal.rb
Original file line number Diff line number Diff line change
Expand Up @@ -5,5 +5,9 @@
# Calculate and return the decimal value for this binary number using
# the algorithm you devised in class.
def binary_to_decimal(binary_array)
raise NotImplementedError
sum = 0
binary_array.each_with_index do |num, index|
sum += 2**(7-index) if num == 1
end
return sum
end