51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
|
from collections import defaultdict
|
||
|
|
|
||
|
|
from grid import Grid
|
||
|
|
from intcode import Intcode
|
||
|
|
|
||
|
|
|
||
|
|
def main():
|
||
|
|
with open("day17.txt", "rt") as input_file:
|
||
|
|
codes = Intcode.parse_input(input_file.read().rstrip())
|
||
|
|
|
||
|
|
camera = Camera(codes)
|
||
|
|
camera.run()
|
||
|
|
intersections = camera.intersect()
|
||
|
|
print("Sum:", sum(x * y for x, y in intersections))
|
||
|
|
|
||
|
|
|
||
|
|
class Camera(Intcode):
|
||
|
|
|
||
|
|
def __init__(self, *args, **kwargs):
|
||
|
|
super().__init__(*args, **kwargs)
|
||
|
|
self.out_x = 0
|
||
|
|
self.out_y = 0
|
||
|
|
self.img = Grid()
|
||
|
|
|
||
|
|
def output_data(self, data):
|
||
|
|
if data == ord("\n"):
|
||
|
|
self.out_x, self.out_y = 0, self.out_y + 1
|
||
|
|
else:
|
||
|
|
self.img.g[self.out_y][self.out_x] = data
|
||
|
|
self.out_x += 1
|
||
|
|
|
||
|
|
def intersect(self):
|
||
|
|
intersections = []
|
||
|
|
g = self.img.g
|
||
|
|
for x, col in list(g.items()).copy():
|
||
|
|
for y, v in list(col.items()).copy():
|
||
|
|
if all(
|
||
|
|
e == ord("#")
|
||
|
|
for e in [v, g[x][y-1], g[x][y+1], g[x+1][y], g[x-1][y]]
|
||
|
|
):
|
||
|
|
print("O", end="")
|
||
|
|
intersections.append((x, y))
|
||
|
|
else:
|
||
|
|
print(chr(v), end="")
|
||
|
|
print()
|
||
|
|
return intersections
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
main()
|