advent-of-code/2024/day03/day03.py
2024-12-03 13:22:23 +01:00

19 lines
325 B
Python

import re
def p1(s):
return sum(int(a) * int(b) for a, b in re.findall(r"mul\((\d+),(\d+)\)", s))
def p2(s):
return sum(
sum(p1(u) for u in re.split(r"do\(\)", t)[1:])
for t in re.split(r"don't\(\)", "do()" + s)
)
with open("input") as fd:
inp = fd.read()
print(p1(inp))
print(p2(inp))