#!/usr/bin/env python3 board = list[list[int]] last: board = [] def bingo(board: board) -> bool: global last if any( board[0][i] == board[1][i] and board[1][i] == board[2][i] and board[2][i] == board[3][i] and board[3][i] == board[4][i] or len(set(board[i])) == 1 for i in range(5) ): last = board return True return False def main() -> None: boards: list[board] = [] with open("input", "r", encoding="utf-8") as f: draws = list(map(int, f.readline().split(","))) lines = f.readlines() for i, line in enumerate(lines): if line == "\n": boards.append([list(map(int, lines[i + j].split())) for j in range(1, 6)]) # START PART 1 while not any(bingo(b) for b in boards): # END PART 1 START PART 2 while len(draws) > 0 and len(boards) > 0: # END PART 2 num = draws.pop(0) for board in boards: for i, row in enumerate(board): board[i] = [-1 if n == num else n for n in row] # START PART 2 boards = list(filter(lambda b: not bingo(b), boards)) # END PART 2 print(num * sum(map(lambda x: sum(filter(lambda n: n != -1, x)), last))) if __name__ == "__main__": main()