($mx,$my) = gets.split(" ").map(&:to_i) $mem = [] $mx.times do $mem << gets.chomp.bytes.map(&:chr).map(&:to_i) end def count(x,y) k = 0 $mx.times do |i| $my.times do |j| if $mem[i][j] == 0 k += 1 if drawable(i,j,x,y) end end end puts k end def drawable(mx,my,x,y) return false if mx + x > $mx return false if my + y > $my x.times do |i| y.times do |j| return false if $mem[mx + i][my + j] == 1 end en
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