advent-of-code/2015/d12/ex1/ex1.py

34 lines
759 B
Python
Executable file

#!/usr/bin/env python
import json
import sys
from collections.abc import Iterator
JSONValue = int | str | list["JSONValue"] | dict[str, "JSONValue"]
def solve(input: str) -> int:
def parse(input: str) -> JSONValue:
return json.loads(input)
def all_numbers(doc: JSONValue) -> Iterator[int]:
if isinstance(doc, int):
yield doc
elif isinstance(doc, list):
for it in doc:
yield from all_numbers(it)
elif isinstance(doc, dict):
for it in doc.values():
yield from all_numbers(it)
doc = parse(input)
return sum(all_numbers(doc))
def main() -> None:
input = sys.stdin.read()
print(solve(input))
if __name__ == "__main__":
main()