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AoC 2020: day14, updated README

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Signed-off-by: Ettore Dreucci <ettore.dreucci@gmail.com>
This commit is contained in:
Ettore Dreucci
2020-12-14 13:11:44 +01:00
parent cce05472e2
commit 6c48eddbd5
2 changed files with 6 additions and 5 deletions
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10
2020-python/solutions/day_14.py
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@@ -58,16 +58,16 @@ def generate_addresses(addr: str, mask: str) -> list:
def part1(entries: dict) -> int:
"""part1 solver"""
mem = dict()
mask_keep0s = 0
mask_keep1s = 0
mask_set0s = 0
mask_set1s = 0
for entry in entries:
if entry['type'] == 'mask':
mask = entry['value']
mask_keep0s = int(mask.replace('X', '1'), 2)
mask_keep1s = int(mask.replace('X', '0'), 2)
mask_set0s = int(mask.replace('X', '1'), 2)
mask_set1s = int(mask.replace('X', '0'), 2)
else:
addr, value = entry['value']
mem[addr] = (int(value) & mask_keep0s) | mask_keep1s
mem[addr] = (int(value) & mask_set0s) | mask_set1s
return sum(mem.values())
def part2(entries: tuple) -> int: