AIZU ONLINE JUDGE: Programming Challenge 0071 Bombs Chain $<.gets.to_i.times do |co| $<.gets field = Array.new(8) {$<.gets.chomp.chars.map(&:to_i)} xi, yi = $<.gets.to_i, $<.gets.to_i blast = ->(x, y) { field[y][x] = 2 3.times do |i| [[1, …