Submission #1117577

---

Source Code Expand

n = gets.to_i
$xs = gets.chomp.split ''

def check(v, i)
  sheep = v[i]
  prev = i - 1
  prev = v.length - 1 if i == 0
  tugi = i + 1
  tugi = 0 if tugi == v.size

  if sheep
    if $xs[i] == 'o'
      return false if v[prev] != v[tugi]
    else
      return false if v[prev] == v[tugi]
    end
  else
    if $xs[i] == 'o'
      return false if v[prev] == v[tugi]
    else
      return false if v[prev] != v[tugi]
    end
  end
  return true
end

[true, false].repeated_permutation(3) { |a, b, c|

  v = [a, b, c]

  next if !check(v, 1)

  for i in 2..(n-2) do
      if v[i]
        if $xs[i] == 'o'
          v << v[i-1]
        else
          v << !v[i-1]
        end
      else
        if $xs[i] == 'o'
          v << !v[i-1]
        else
          v << v[i-1]
        end
      end
  end

  if check(v, 0) and check(v, v.size - 1)
    puts v.map {|b| b ? "S" : "W" }.join ''
    exit
  end
}

p -1

Submission Info

Compile Error

./Main.rb:50: warning: shadowing outer local variable - b
./Main.rb:55: warning: ambiguous first argument; put parentheses or a space even after `-' operator

Judge Result