36 lines
778 B
Python
Executable file
36 lines
778 B
Python
Executable file
#!/usr/bin/env python
|
|
|
|
import sys
|
|
|
|
|
|
def solve(input: str) -> int:
|
|
def parse(input: str) -> list[int]:
|
|
return [int(n) for n in input.split()]
|
|
|
|
def blink(stones: list[int]) -> list[int]:
|
|
res: list[int] = []
|
|
for n in stones:
|
|
if n == 0:
|
|
res.append(1)
|
|
elif len(str(n)) % 2 == 0:
|
|
s = str(n)
|
|
lhs, rhs = s[: len(s) // 2], s[len(s) // 2 :]
|
|
res.extend((int(lhs), int(rhs)))
|
|
else:
|
|
res.append(n * 2024)
|
|
return res
|
|
|
|
stones = parse(input)
|
|
for _ in range(25):
|
|
stones = blink(stones)
|
|
return len(stones)
|
|
|
|
|
|
def main() -> None:
|
|
input = sys.stdin.read()
|
|
print(solve(input))
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|