Submission #3452749

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Source Code Expand

f,t = gets.split.map {|n| n.to_i }
c = 0
diff = (f-t).abs

while(diff>0) do
  if diff >= 10
    c += 1
    diff -= 10
  elsif diff >= 8
    c += 10-diff
    diff -= diff-10
  elsif diff >= 5
    c += 1
    diff -= 5
  elsif diff > 3
    c += 2
    diff = 0
  else
    c += diff
    diff = 0
  end
end

printf "%d\n", c

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