def solve_day_11(input):
# Instead of using a set for what panels have been painted
# to see how many panels the robot paints at least once
# I am just gonna gamble that part 2 asks about what was painted
# so I can just go and print this dict
panels = {}
robot = Robot()
regex = re.compile("-{0,1}\d+")
f = open(input, "r")
computer = IntCodeComputer(regex.findall(f.readline()))
# computer.write(0) # Use this to start on a black panel for part 1
computer.write(1) # Use this to start on a white panel for part 2
computer.run()
output = computer.read()
paint_as = output[0]
turn = output[1]
panels[(robot.x, robot.y)] = paint_as
robot.turn(turn)
robot.move()
while computer.status != Status.TERMINATED:
if (robot.x, robot.y) in panels:
computer.write(panels[(robot.x, robot.y)])
else:
computer.write(0)
computer.run()
output = computer.read()
paint_as = output[0]
turn = output[1]
panels[(robot.x, robot.y)] = paint_as
robot.turn(turn)
robot.move()
pretty_print(panels)
return len(panels)
def solve_day_05(input):
regex = re.compile("-{0,1}\d+")
f = open(input, "r")
computer = IntCodeComputer(regex.findall(f.readline()))
computer.write(1)
computer.run()
p1 = computer.read()[-1]
computer.reset()
computer.write(5)
computer.run()
p2 = computer.read()[0]
return (p1, p2)
def part_2(intcode):
p2 = 0
amp_a = IntCodeComputer(intcode)
amp_b = IntCodeComputer(intcode)
amp_c = IntCodeComputer(intcode)
amp_d = IntCodeComputer(intcode)
amp_e = IntCodeComputer(intcode)
amps = [amp_a, amp_b, amp_c, amp_d, amp_e]
for perm in permutations([5, 6, 7, 8, 9]):
# Setup the amps phase settings
for amp in amps:
amp.reset()
for index, amp in enumerate(amps):
amp.write(perm[index])
amp.run()
amp_a.write(0)
amp_a.run()
curr_amp = 1
output = amp_a.read()[0]
while amp_e.status != Status.TERMINATED:
amps[curr_amp].write(output)
amps[curr_amp].run()
output = amps[curr_amp].read()[0]
curr_amp = ((curr_amp + 1) % len(amps))
if p2 < int(output):
p2 = int(output)
return p2
def part_1(intcode):
p1 = 0
computer = IntCodeComputer(intcode)
for perm in permutations([0, 1, 2, 3, 4]):
computer.write([perm[0], 0])
computer.run()
output = computer.read()[0]
computer.reset()
for p in perm[1:]:
computer.write([p, output])
computer.run()
output = computer.read()[0]
computer.reset()
if p1 < output:
p1 = output
return p1
def solve_day_19(input):
regex = re.compile("-{0,1}\d+")
f = open(input, "r")
computer = IntCodeComputer(regex.findall(f.readline()))
size = 50
p1 = 0
for x in range(size):
for y in range(size):
# I have no clue why I need three inputs, but I do
computer.write([0, x, y])
computer.run()
result = computer.read()[0]
p1 += result
computer.reset()
print(result, end="")
print()
return (p1, 0)
def solve_day_17(input):
regex = re.compile("-{0,1}\d+")
f = open(input, "r")
computer = IntCodeComputer(regex.findall(f.readline()))
computer.run()
camera = computer.read()
lst = []
line = []
for c in camera:
if c == 10:
lst.append(line)
line = []
else:
line.append(c)
p1 = 0
for y, cy in enumerate(lst[1:-2], 1):
for x, cx in enumerate(cy[1:-1], 1):
if cx == 35:
if lst[y - 1][x] == 35 and lst[y + 1][x] == 35 and lst[y][
x - 1] == 35 and lst[y][x + 1] == 35:
lst[y][x] = ord("O")
p1 += x * y
# This was just for pretty printing so see how things look, but I am now using it
# to manually solve part 2
for cy in lst:
for cx in cy:
if cx == ord("."):
print("⬛", end="")
else:
print("⬜", end="")
print()
# and after a little puzzling we get (see Scaffold.png)
# "A"=65, "B"=66, "C"=67, ","=44, "\n"=10
# "L"=76, "R"=82
# "12"=49 50, "8"=56, "6"=54, "4"=52
# "n" = 110
# A = L12,L12,L6,L6
# B = L12,L6,R12,R8
# C = R8,R4,L12
# A,C,A,B,C,A,B,C,A,B
computer.reset()
computer.memory[0] = 2
instructions = [
#A , C , A , B , C , A , B , C , A , B \n
65,
44,
67,
44,
65,
44,
66,
44,
67,
44,
65,
44,
66,
44,
67,
44,
65,
44,
66,
10,
#L , 1 2 , L , 1 2 , L , 6 , L , 6 \n
76,
44,
49,
50,
44,
76,
44,
49,
50,
44,
76,
44,
54,
44,
76,
44,
54,
10,
#L , 1 2 , L , 6 , R , 1 2 , R , 8 \n
76,
44,
49,
50,
44,
76,
44,
54,
44,
82,
44,
49,
50,
44,
82,
44,
56,
10,
#R , 8 , R , 4 , L , 1 2 \n
82,
44,
56,
44,
82,
44,
52,
44,
76,
44,
49,
50,
10,
#n, \n
110,
10
]
computer.write(instructions)
computer.run()
p2 = computer.read()[-1]
return (p1, p2)