Submission #240315

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Source Code Expand

def sround(s)
  (s.to_i / 5.0).floor * 5
end

def eround(e)
  e1, e2 = e[0, 2].to_i, e[2, 2].to_i
  e2 = (e2 / 5.0).ceil * 5
  if e2 == 60
    e1 += 1
    e2 = 0
  end
  e1 * 100 + e2
end

def join(se)
  
end

N = gets.to_i
SE = readlines.map{|l| l.chomp.split('-')}

se = SE.map{|s, e| [sround(s), eround(e)]}.sort
res = se.drop(1).inject([se.first]) do |r, (s, e)|
  s0, e0 = r.pop
  if e0 >= s
    r << [s0, [e0, e].max]
  else
    r << [s0, e0] << [s, e]
  end
end
res.each{|s, e| printf "%04d-%04d\n", s, e}

Submission Info

Judge Result