Submission #2402281

---

Source Code Expand

N = gets.to_i
# 異なる場合0
s = gets.chomp.split('').map{|c| c == 'o' ? 0 : 1}

# 羊が0
pat01 = [[0, 0], [0, 1], [1, 0], [1, 1]]

pat01.each do |pat|
    (2..N).each do |i|
        pat[i] = pat[i - 2] ^ pat[i - 1] ^ s[i - 1]
    end
    if pat[0] == pat[N] && pat[1] ^ pat[N - 1] ^ s[0] ^ pat[0] == 0
        puts pat[0...N].map{|bit| bit == 0 ? 'S' :  'W'}.join
        exit
    end
end

puts -1

Submission Info

Compile Error

./Main.rb:18: warning: ambiguous first argument; put parentheses or a space even after `-' operator

Judge Result