advent-of-code/2015/d01/ex2/ex2.py

22 lines
385 B
Python
Executable file

#!/usr/bin/env python
import sys
def solve(input: str) -> int:
BASEMENT = -1
current = 0
for i, c in enumerate(input, start=1):
current += 1 if c == "(" else -1
if current == BASEMENT:
return i
assert False # Sanity check
def main() -> None:
input = sys.stdin.read()
print(solve(input))
if __name__ == "__main__":
main()