Submission #3004048

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Source Code Expand

n, q = gets.not_nil!.split.map(&.to_i)
l = [] of Int32
r = [] of Int32
q.times do
  arr = gets.not_nil!.split.map(&.to_i)
  l << arr[0] - 1
  r << arr[1] - 1
end
temp = [] of Int32
n.times do
  temp << 0
end
0.upto(q - 1) do |i|
  l[i].upto(r[i]) do |j|
    temp[j] += 1
  end
end
0.upto(n - 1) do |k|
  temp[k] %= 2
  if k < n - 1
    print temp[k]
  else
    puts temp[k]
  end
end

Submission Info

Judge Result