challenge-145/abigail/ruby/ch-1.rb


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#!/usr/bin/ruby

#
# See ../README.md
#
 
#
# Run as: ruby ch-1.rb < input-file
#

a = ARGF . readline() . split(" ") . map {|n| n . to_i}
b = ARGF . readline() . split(" ") . map {|n| n . to_i}

sum = 0
for i in 0 .. a . length() - 1 do
    sum += a [i] * b [i]
end

puts (sum)