Submission #691658

---

Source Code Expand

r , c  = gets.split.map { |e| e.to_i }
sy, sx = gets.split.map { |e| e.to_i - 1 }
gy, gx = gets.split.map { |e| e.to_i - 1 }
map    = readlines.map { |e| e.split(/\s*/).map { |elm| elm == '#' ? '#' : 0 } }
queue  = [[sy, sx]]
dests  = [[-1, 0], [0, -1], [1, 0], [0, 1]]
while queue.empty? == false
  point = queue.shift
  break if point[0] == gy and point[1] == gx
  for dest in dests do
    next_point = [point[0] + dest[0], point[1] + dest[1]]
    next if map[next_point[0]][next_point[1]].to_s == '#' or map[next_point[0]][next_point[1]] != 0
    queue.push next_point
    map[next_point[0]][next_point[1]] = map[point[0]][point[1]] + 1
  end
end
puts map[gy][gx]

Submission Info

Compile Error

./Main.rb:1: warning: assigned but unused variable - r
./Main.rb:1: warning: assigned but unused variable - c

Judge Result