def scan_area(memory:list, x_lim:int, y_lim:int) -> Union[list, int]:
program = IntcodeComputer(memory)
area = [['.']*x_lim for __ in range(y_lim)]
affected = 0
for x, y in product(range(x_lim), range(y_lim)):
out = []
program.execute(deque([x,y]), out)
program.reset()
if out[-1] == 1:
area[y][x] = '#'
affected += 1
return area, affected
def in_beam(program:IntcodeComputer, x:int, y:int) -> int:
out = []
program.execute(deque([x,y]), out)
program.reset()
return out.pop()