blob: 8f9109cc26b2ab9bedc41ce5b5cb7b0d71c16607 (
plain)
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STDIN.set_encoding 'utf-8'
STDOUT.set_encoding 'utf-8'
def output(key, val)
puts "#{key}\t#{val}"
end
prev_key = nil
sum = 0
while line = STDIN.gets
key, val = line.strip.split /\t/
if key != prev_key && sum > 0
output prev_key, sum
prev_key = key
sum = 0
elsif !prev_key
prev_key = key
end
sum += val.to_i
end
output prev_key, sum
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