advent-of-code-2025/python/src/2-day/solution1.py

18 lines
440 B
Python

with open("./src/2-day/input.txt", "r") as file:
durs = file.readline().split(",")
correct_cnt = 0
for dur in durs:
first, last = map(int, dur.split("-"))
for number in range(first, last + 1):
number = str(number)
if len(number) % 2:
continue
if number[: len(number) // 2] * 2 == number:
correct_cnt += int(number)
print(correct_cnt)