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2 changed files with 0 additions and 121 deletions

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from output import DD, ints
def solve(data):
p12 = []
for sl in [2, 10]:
seen = set([(0, 0)])
snake = [(0, 0)] * sl
for line in data.splitlines():
d = line[0]
for i in range(ints(line)[0]):
ns = []
hd, *tls = snake
r, c = hd
hd = r + DD[d][0], c + DD[d][1]
ns.append(hd)
for tl in tls:
r, c = tl
match (r - hd[0], c - hd[1]):
case (2, -1):
tl = r - 1, c + 1
case (-2, -1):
tl = r + 1, c + 1
case (-2, 1):
tl = r + 1, c - 1
case (2, 1):
tl = r - 1, c - 1
case (1, 2):
tl = r - 1, c - 1
case (-1, 2):
tl = r + 1, c - 1
case (-1, -2):
tl = r + 1, c + 1
case (1, -2):
tl = r - 1, c + 1
case (0, 2):
tl = r, c - 1
case (0, -2):
tl = r, c + 1
case (2, 0):
tl = r - 1, c
case (-2, 0):
tl = r + 1, c
case (2, -2):
tl = r - 1, c + 1
case (-2, -2):
tl = r + 1, c + 1
case (-2, 2):
tl = r + 1, c - 1
case (2, 2):
tl = r - 1, c - 1
ns.append(tl)
hd = tl
snake = ns
seen.add(tl)
p12.append(len(seen))
p1, p2 = p12
return p1, p2
if __name__ == "__main__":
with open("./input/09.txt", "r") as f:
inp = f.read().strip()
p1, p2 = solve(inp)
print(p1)
print(p2)
assert p1 == 6212
assert p2 == 2522

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from output import sints
def solve(data):
x = 1
P = data.splitlines()
p1 = 0
c = 0
p = 0
running = True
busy = False
pixels = []
while running:
if not p < len(P) and not busy:
running = False
continue
line = P[min([p, len(P) - 1])]
if (c + 21) % 40 == 0:
p1 += (c + 1) * x
if c % 40 == 0:
pixels.append("\n")
pixels.append("" if (x - 1) <= (c % 40) <= (x + 1) else " ")
if busy:
busy = False
x += int(sints(line)[0])
p += 1
c += 1
continue
if line.startswith("noop"):
p += 1
c += 1
continue
busy = True
c += 1
p2 = None
p2 = "".join(pixels)
return p1, p2
if __name__ == "__main__":
with open("./input/10.txt", "r") as f:
inp = f.read().strip()
p1, p2 = solve(inp)
print(p1)
print(p2)
assert p1 == 11820
# assert p2 == "EPJBRKAH"