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|
#!/usr/bin/env ruby
def adj(arr, r, c)
a = []
a << arr[r-1][c-1] if r > 0 && c > 0
a << arr[r-1][c ] if r > 0
a << arr[r-1][c+1] if r > 0 && c < 49
a << arr[r ][c-1] if c > 0
a << arr[r ][c+1] if c < 49
a << arr[r+1][c-1] if r < 49 && c > 0
a << arr[r+1][c ] if r < 49
a << arr[r+1][c+1] if r < 49 && c < 49
a
end
now = $stdin.readlines.map(&:strip).map{|x|x.split("")}
nxt = []
10.times do
50.times do |r|
nxtr = []
50.times do |c|
a = adj(now, r, c)
nxtr << case now[r][c]
when "."
if a.count("|") >= 3 then
"|"
else
"."
end
when "|"
if a.count("#") >= 3 then
"#"
else
"|"
end
when "#"
if a.count("#") > 0 && a.count("|") > 0 then
"#"
else
"."
end
end
end
nxt << nxtr
end
now = nxt
nxt = []
end
puts now.flatten.count("|") * now.flatten.count("#")
|
