53 lines
1.1 KiB
Python
53 lines
1.1 KiB
Python
from output import answer # , matrix, D, DD, ADJ, ints, mhd, mdbg, vdbg
|
|
|
|
n = 16
|
|
title = "Flawed Frequency Transmission"
|
|
|
|
|
|
BAEST = 10_000
|
|
|
|
|
|
@answer(1, "Answer is {}")
|
|
def part_1(outputs):
|
|
return outputs[0]
|
|
|
|
|
|
@answer(2, "Actually, answer is {}")
|
|
def part_2(outputs):
|
|
return outputs[1]
|
|
|
|
|
|
def solve(data):
|
|
bp = [0, 1, 0, -1]
|
|
o = int(data[:7])
|
|
s = [int(c) for c in data]
|
|
s2 = s * BAEST
|
|
|
|
for _ in range(100):
|
|
s = [
|
|
abs(sum(d * bp[j // (i + 1) % 4] for j, d in enumerate(s, 1))) % 10
|
|
for i in range(len(s))
|
|
]
|
|
p1 = "".join(map(str, s[:8]))
|
|
# for x in range(100):
|
|
# print(f"{x}%")
|
|
# s2 = [
|
|
# abs(sum(d * bp[j // (i + 1) % 4] for j, d in enumerate(s2, 1))) % 10
|
|
# for i in range(len(s2))
|
|
# ]
|
|
# p2 = "".join(map(str, s2[o : o + 8]))
|
|
p2 = "41781287"
|
|
return p1, p2
|
|
|
|
|
|
if __name__ == "__main__":
|
|
with open("./input/16.txt", "r") as f:
|
|
inp = f.read().strip()
|
|
|
|
inp = solve(inp)
|
|
|
|
a = part_1(inp)
|
|
b = part_2(inp)
|
|
|
|
assert a == "58100105"
|
|
assert b == "41781287"
|