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18.coffee
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_log = require 'ololog'
input = '''
#..####.##..#...#..#...#...###.#.#.#..#....#.##..#...##...#..#.....##..#####....#.##..##....##.#....
.#..#..#..#.###...##..#.##.....#...#..##....#####.##............####.#..######..#.#.##.#...#..#...##
#.....##.##.##.#..##.#..###...#.#.#..##..###.####.####.#.####.#...##.#..###.........#.###...#....###
#.###..#######..##..#.....##.#.#.###.#.##..#.##..##.##.#.##...###.#...#.#####.#.##..#.#####..#.#####
#.##.##.###.##..###.#.##.##...##.#.#..##..###.########.#.####..####...#####...#..#...##....##.##.##.
..#.#.#.#..#.#.###....###...#...#.##..####.###.....#.####.###.###.#......#.#.###..#..#.#....#.#####.
...#.###.#....#.###...#.#.#...#...#.#####....#....#...#####..#..#.#..######..#.##.#.##.#..###.#...##
.###...#...#.#..#.#.####.#...#.....##...###.#....#..##.###....#.##....###..#.#####...###.#.##.####..
#.#....##.#.....#####.#.##..#######.#.####..###.##.#####.##.#...###...#.#...###..#...#.#.###.###.###
...##.##.....##..#.##...#.#...#...#.#####.#...#.#.#.#####.##.#...#.#..##.##..#...#....####..###.###.
#..#....######...#...###.#....#####....#.#.#....#....#.#######.#####..#....#....#.##..#.##.###..#...
#####.#.######.#.#####.#..##..##..####..#....#...#######....##..##.#..###..###.###..###...#...######
#...##..##...###....##..##.##..#.#.#.#....##.#.......###..###..###...###..##.##.##.#.#.#..#.#..#..#.
..###....##.###..#.#..########...###...##..#######....##..###..#####.##.#....###..##.##.##.#...##.#.
###..#.#..#.#.##.##...##.....#..###.#..##.##.#....##.#.######..##..#.#.##.###...#..####...#.#..#.###
.######....#..##..#.####.##..#.#..#.#..#....#..##.#..#.#...####..#....#.####.#.###.#...####.#...#.#.
#.######.##..###.###..#..###.#...#..#...#...###.##....#.#......#...#.##.#.###..#.#####.#.#..###..#.#
...#..#...####..###.########.....###.###.#..##.##....######..#..#.....#.##.##.#..##..#..##...#..#..#
#..#..##..#.#.########.##.#.####..#.#####.#.###.##....###..##..#.#.###..#.##..##.##.####...######.##
.######.###....#...##...#..#....##..#.#...###.######.##...#....##.##.#.#.##..#...###.###.#....#..##.
####.#.##..##.##.###...#.###.##..##....###..####.##..#.#.##..###.#..##...####...#..####.#.#..##...#.
.#.#..#.....##...#..#...#.#...#.#.##..#....#..#......#####.#######....#.#..#..###..##.#.########..##
.##.#..#..##..#..####.#...####...#...#..##.#..###.#..######..#.#...###.##...#..#####..##.#..##.#.##.
.###..##.##.##....###.###..#.#...##.#.#...#.#######.####..#..###.#######.#...#.#...#.##...#..####..#
##.########..#..#....#.###..##.##.#.##.#..#......####..##.##.#..####..#####..#.....#####.###..#.#.#.
.#..####..##.#.#..#####.##..#..#.#....#.#####.#####...######........##.##..##.#.#.###..#.#.#.#..##.#
.##..##..#.######..###....#.#.###.#........#..###..#.########.....#.##...#.....#..#...##...#..#.###.
##.##.#..####....####.#######.....#.#.#...#.######.#.....####.####...###..####.##.##....###..#..#...
#.#..####...#......#...###...##....##.#######..#.###.#...###.##.##...####..#.####..#......##..#####.
.#.#...##...#....#.####.##.....#....#.#.#######..###.#.....#.....####...##...#.#.##.####..##.###.#.#
####.#.#.####...#...####.#.....#.#######.#.......####......###..###.#...######..#.##.#.##..#..##..##
..##.###..#..####..####.......######.##..#.....##.##...##.##......#.###..###...#.##.#####.#.######.#
.###..####.###..#..#.......#.##...##...##.######.....#..####.#......#.#...#...#...###...#.#.##..####
.####....##.##.#.....##.###.####.#.......#.......#.#..#.#.#.....###.#.#####.#..#.#.#####.#####.###.#
.##.#.###.#####..#..#....###.#.#.#..#..###..##..####..##.###....#..####.####.#..###.#..######.######
####.#.....##..###....#.....#.##.#.##..##..########.#####..###.####....##.....######.#.#.##.......#.
#.#.##.....#.....##.###.#..#.##.##....#..##....##.#.###.##.#..#..##.##.###.#..##.###...##..###.#####
#.###.#.#.#.#.#.#.#...#..#.###..####.##...#..####.###....#..#..##.#....####..##.##....#.#.##.##....#
...######....#..####...#.#..#.#.#..#.##.#.#.......#..#......##..#...#..#..##...##.#...#.#.#...##.##.
.#####..#...####....#..###..##....#####..###.#.#...###..###.###..##...#......#...#...#.#.#...#.##..#
......#####.#...#.#.#.##..#.###..##..#.#...###..###....##..#####..#######.#..#.###....###...##.#..#.
..##.########.##..#....##.#...##.##.#.#..#.##..#.#.#.##....#.#.#.#.##....##....#....#####.##..#.##.#
####...#....##.#.###......##.##.#..##...#..#####..#.#....##..#####...#.#.##...#.####.####..##.######
.##.###.##.#...#.#....###.#######...##...##..#..##.###.#.####..#..###......#.#.##.#.#....#..##...#..
.#.###.#.###.###.#.##.#..#......####.##...#..##.#..####.....#...#.###.##.##.#..#.##..#.###......#..#
...##.####......#.#.#..###..#....###....#.##.#####..#..#..#...#.#.###...#.#.#.##....###.####..###.#.
##..#.#.#.#....####...#.##.###..####....#..#####.######..#.##.##..#####.#.....#.#...##.#.##.##.#.#..
#..##.#.#.#.###.#.#.###...#.#...##..#..#.#.#.##..###...#..##.#..#.#.#..#.....#.######.#.###..###.#..
....#.#.##.###.##...#.##.#....#..##.#..##...#...#.##.####...##..####.#.........#..##..#...#...##.#..
.##.......##...###.##.#.##.###.##.#..#..#..####...#...#....#####...###..##..#..#..##...#....#..#####
..####..#...#...#..###....##.#.#####..#..#.....#......#...#.......##....####...##....##.##.#.#####.#
##.#.#.#..##..##..#.####.##.##.###.#...###.#....#.....#.###...#######..###.####.###.####.##...##.#..
..#.#...##.#....#..#..##.####.....#.#.#...#..#..###.#..###.#####.#.#####.#.#.#.#.###.##.###..#....##
.###.#...#....###..#...####....####..#.##..#..##.###..#.#.#.#..#...###.#.#...#......#...#.##.##.#...
..####.####.##.#.##....#...##....#..#....#..###..#...#..###.#####.....#####..##.#.#.#.#.#.##.####...
...##.#.##.####..##.###..#.#.#.#.#.#.#..###...#.##..#.####.##...#.#.##......###..#...###....#.#.###.
##...##..#.#.##..#.#.#....#.####.......#.#.#######.#..#....#.###.#...###.##....###.#.#..#.#.##.####.
...##.......######.....##....#...#..#.##.###.#..#.##.###.#.###.#.#.#...#.#...##.##.##..#.##########.
###..#....#.#.....#....###.#...##.......##.#.#..#.#...########......###..##.#..#..####.##..####...#.
......##.###.#.###.....#..#...#.#......##....#....#........#..#...##.##.....#...##.##.........##....
.##.##.#.#...#....######..##....##..##.#.#.##.#.##..##...#..###......##......#.#....#.#.#.......###.
.......#.##..##.#...#.##..#..#####.#..#.######.........###.#####.####.#...##...........##...##..####
#......#.#..#...#...##..#.#.###.##.##.#.#..#.###.##.#..###..#.###..#...###.##..###..#...#..###...#..
####.##..#####..####.#...#..#..###..##.#.#...#...#...#.##.####.##.###....###...#.#.#..####.######.##
.....#..####...#.#.#.####..####..##.###......#.....########.#...#.#..#..#...#.###..##.#####..###.###
.#######.#.##..###.#...###.#####............##.###...#.##.#.##..##.#.#..#.######..######..#..#..####
...##..#.####...#..#.#.##.#....#.####..#..###.###..#.#...#....##.##.#......##..##..#.#.#.###..#..#..
........#...#.##.#.#..#....####....#.##...###..####...###.#.#..######..###..##.#####.###.###.#.#...#
##......##.#..###.####.##.#.###.#.......#.##..####..#.###.##..##..##...##...#.###...#.#..#..#.#####.
##..#.#.....##.####.#..##.#.##.#.#...#...#.#...####.#.#.##...##....##.###..###.####.#...#.###..#####
.#####.####.####.####.#.##.##......###....###.####...###...#...#..#.##.#.#####.###..##.#..###...##..
.#...#..##...##...#....#.#.#..##..#.##..#.###.#.###..###.#.#.###.#....#######.####.##..#..#...####..
..##.##..#.##..#.#.###..#.##.########...####.#.###.##..#..###.###...##..##.#..#.######.##.#....###.#
##.#####.###.##.#.##.##.##.###..##..##..#.#.#.#.####..#......#.#.#.#.#.#.##...#####.####...#.#...#.#
.#..###..##.#####.#.##.#..##...##..##...#####.#.####..#...##.....######.#.#...##.#..#######.###.###.
#.#..##.#.#####.#.#.....###.###.#..##.#####....#.###.##.##.#.#..##..#.#....#######.###.#.#.....#.###
....###...#.###.####....###.....##....#####.##.###.###.##.##.##.#..###..######...####.#.#..####..#..
###.....#..####..#.####..#..#...##.##..##.######.####.....#...##....#..#.##.#####..###.##.#.####...#
.##.##.#...#..####...##.##.###...#...#..#.#.#####.....####...#.#.#..#.####...####.#...###.#......###
###.##....#.#.#...#.###....####..##...##.##.##.#..#...####..#..#..##...#####.####.####...##.#..###.#
..####.....##..###.#.#.###.########..#...#.##..#.#.#.......#.##.#..#...####.##.#..#.######..#.#...#.
#.#.##.#.#.##.#....##......##......#######.#..#.##...##..#.#.###...#.#..#..###...#..###.....##.....#
..#.##.#.##.#.##..##.....#.#..#.#..#...##..#..#.#....###.#####....####.####..#####.##.###...#..###.#
#....#.###..#..########.###..#.#.#.##...##.#..##.###..#..#..#.#.##..###...###.#.##..#.##.#..#.#.####
#.......#######......#...#...##.##...###.#....##.#..#....####.#.##.###...#.#####...##.###........##.
.##.####.....###.##......####.###.########..#.####..#.##.#.####.....#...#.##....#######.##..#......#
#.#.##.##....##..##.#.###..#.##.#..#..#.#..##.....###..###.##.##.####.##.#.#.##...####..#.#..##.#.#.
...##.#.#.#...###.#.......#.#.....#.#...##....##.##.##.####...#.#..#..#..#.#.##.#..#.#.#....###..#.#
....#.#.###.#####.##..###..##..#...#.##.#......##.####.#..####.#.##..####.#.#...##..#####..##.#.#...
..###.#.##..#....#..#.#.....##.#####..##....#.#...#.##..##.#.#..#...##.##..##..##....#...#..#..#..##
##.#.##.#...#.###.##.##.##.##..##.##...#..##.#..#######.#..#...#.#.##..#....##.#..####.###........#.
.##.#..#.....#####..##.#.#.#.#..###.#######.###.###....##....#.#.#.###....###.#..#.#....#.#..###...#
...###.#.#.###..#...#..###.######..##.#.#..#...####.#####.##..#..###...#..#..#..###..##.#.#...#.###.
#......#.#..#..##.##.#.##.#.###.#.##.#.#..#....#.##..#..##..##.#.#.#....##.###.###.####.#.#####...##
...#.##..#.######.......#.#.###.....#####....##.#.#.###........#.#.###.#.#########.##.##.#..##..#...
##..###..###....####.##.##..##.###....####..##...####.####..####..###.####..##.#...###.#####.##.##.#
###...##.#.#.#####..#..#####...##.#...#.#.###.#..##..###.##.#.#.....####.##.#..##.###.#...##.##...##
...#.#.##.##..##....#..#.#####.##.###..#.#.#........####.###.##....##....####..#.#....#.#.#.###..#.#
..#.#.#.#.###...#....##..######.##....#.#.##..###..#.#.###..#.##..#.#.###......#..#..#.####..#...##.
.....####.#.....###.#.##.#..##.#..###.#####.#..##...###.#..###..#..##....###.#..##.#..#.##.#..#...##
'''
ns = [
[1,0]
[1,1]
[0,1]
[-1,1]
[-1,0]
[-1,-1]
[0,-1]
[1,-1]
]
simulate = ( state, steps, adjust )->
while steps-- > 0
state = for l, y in state
for c, x in l
n = 0
for d in ns when state[y+d[0]]?[x+d[1]] is '#'
++n
if c is '#'
if 2<=n<=3 then '#' else '.'
else
if n is 3 then '#' else '.'
adjust? state
#_log steps, count state
state
count = ( state )->
sum = 0
for l in state
for c in l when c is '#'
++sum
sum
show = (state)->
for l in state
_log l.join ''
return
keep_corners = ( state )->
state[0][0] = '#'
state[0][99] = '#'
state[99][99] = '#'
state[99][0] = '#'
state
try
state = input.split '\n'
state = simulate state, 100
_log count state
state = input.split '\n'
state = simulate state, 100, keep_corners
_log count state
#show state
catch e
_log e