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32 lines
1.3 KiB

lines = [ [int(j) for j in list(i)] for i in open("input.txt", 'r').read().splitlines()]
flashes = 0
for i in range(100):
lines = [ [x+1 for x in y] for y in lines]
flashed = True
while flashed:
flashed = False
for x in range(10):
for y in range(10):
if lines[x][y] > 9:
flashes += 1
lines[x][y] = 0
flashed = True
if x != 0 and lines[x-1][y] != 0:
lines[x-1][y] += 1
if x != 0 and y != 9 and lines[x-1][y+1] != 0:
lines[x-1][y+1] += 1
if y != 9 and lines[x][y+1] != 0:
lines[x][y+1] += 1
if x != 9 and y != 9 and lines[x+1][y+1] != 0:
lines[x+1][y+1] += 1
if x != 9 and lines[x+1][y] != 0:
lines[x+1][y] += 1
if x != 9 and y != 0 and lines[x+1][y-1] != 0:
lines[x+1][y-1] += 1
if y != 0 and lines[x][y-1] != 0:
lines[x][y-1] += 1
if x != 0 and y != 0 and lines[x-1][y-1] != 0:
lines[x-1][y-1] += 1
print(flashes)