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aocpy/2015/d10.py
2024-10-20 15:19:25 -04:00

30 lines
621 B
Python

from lib import get_data
data = get_data(__file__)
def iter(xs):
if not xs:
return []
grouped = []
current_element = xs[0]
count = 1
for element in xs[1:]:
if element == current_element:
count += 1
else:
grouped.append(count)
grouped.append(current_element)
current_element = element
count = 1
grouped.append(count)
grouped.append(current_element)
return grouped
for repeat in [40, 50]:
xs = list(map(int, list(data.strip())))
for _ in range(repeat):
xs = iter(xs)
print(len(xs))