Submission #19680

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Source Code Expand

member,n,times = (gets).chomp.split(' ').map{|i| i.to_i }
pattern = n.times.map{|i|
  (gets).chomp.split(' ').map{|i| i.to_i }
}

total_pattern = [member.times.to_a]
replace = member.times.to_a.combination(2).to_a
times.times{|t|
  l = total_pattern.length
  l.times{|t|
    a = total_pattern.shift
    replace.each{|r|
      b = a.dup
      x = b[r[1]]
      b[r[1]] = b[r[0]]
      b[r[0]] = x
      total_pattern.push(b)
    }
  }
}

collect_pattern = total_pattern.dup.delete_if{|x|
  r = false
  for i in (0...x.length)
    a = [x[i], x[(i + 1) % x.length]]
    if pattern.index(a) || pattern.index(a.reverse)
      r = true
      break
    end
  end
  r
}
puts collect_pattern.length.to_f / total_pattern.length.to_f

Submission Info

Compile Error

./Main.rb:3: warning: shadowing outer local variable - i
./Main.rb:10: warning: shadowing outer local variable - t

Judge Result