Submission #2271230

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Source Code Expand

N = gets.to_i
a = Array.new(N) do
  s, e = gets.split('-').map{|t| t[0..1].to_i * 60 + t[2..3].to_i}
  s.quo(5).floor..e.quo(5).ceil
end.sort_by!{|x|x.begin}
f = -> t { tt = t * 5; '%02d%02d' % [tt / 60, tt % 60] }
s, e = a[0].begin, a[0].end
g = -> { puts "#{f.(s)}-#{f.(e)}" }
a.each do |i|
  if i.begin <= e
    e = i.end if e < i.end
  else
    g.()
    s, e = i.begin, i.end
  end
end
g.()

Submission Info

Judge Result