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M = 'M'
o = 'o'
X = 'X'
world = [
[o,o,o,o,o,M,o,o,o,o,o],
[o,o,o,o,M,M,o,o,o,o,o],
[o,o,o,o,o,M,o,o,M,M,o],
[o,o,o,M,o,M,o,o,o,M,o],
[o,o,o,o,o,M,M,o,o,o,o],
[o,o,o,o,M,M,M,M,o,o,o],
[M,M,M,M,M,M,M,M,M,M,M],
[o,o,o,M,M,o,M,M,M,o,o],
[o,o,o,o,o,o,M,M,o,o,o],
[o,M,o,o,o,M,M,o,o,o,o],
[o,o,o,o,o,M,o,o,o,o,o]]
def map(world)
world.map(&:join).join("\n")
end
def stack_trace(world, x, y)
puts "\n\nLooking at tile (#{x},#{y})"
puts map(world)
end
def continent_size world, x ,y
stack_trace world, x, y
if x < 0 or x > 10 or y < 0 or y > 10
return 0
end
if world[y][x] != M
return 0
end
size = 1
world [y][x] = X
size = size + continent_size(world, x-1, y-1)
size = size + continent_size(world, x , y-1)
size = size + continent_size(world, x+1, y-1)
size = size + continent_size(world, x-1, y )
size = size + continent_size(world, x+1, y )
size = size + continent_size(world, x-1, y+1)
size = size + continent_size(world, x , y+1)
size = size + continent_size(world, x+1, y+1)
size
end
puts continent_size(world, 5, 5)
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