from session import fetch
RAW_DATA = fetch(2020, 23)
result_part_1 = 0
result_part_2 = 0
def play_cups(seed, cup_count, turns):
assert(sorted(seed) == list(range(1, max(seed)+1)))
cups = [-1] + list(range(2, cup_count+1)) + [1]
for cup, next_cup in zip(seed, seed[1:]):
cups[cup] = next_cup
if len(seed) < cup_count:
cups[seed[-1]] = max(seed)+1
cups[-1] = seed[0]
else:
cups[seed[-1]] = seed[0]
min_cup = min(seed)
current = seed[0]
for _ in range(turns):
p1 = cups[current]
p2 = cups[p1]
p3 = cups[p2]
cups[current] = cups[p3]
dest = current-1
while True:
if dest < min_cup:
dest = cup_count
if dest not in [p1, p2, p3]:
from session import fetch
RAW_DATA = fetch(2020, 1)
INPUT = [int(i) for i in RAW_DATA.splitlines()]
found = False
for i in INPUT:
if found:
break
for j in INPUT:
if found:
break
if i + j == 2020:
found = True
print(f"PART I: {i * j}")
found = False
for i in INPUT:
if found:
break
for j in INPUT:
if found:
break
for k in INPUT:
if found:
break
if i + j + k == 2020:
found = True
print(f"PART II: {i * j * k}")
from session import fetch
RAW_DATA = fetch(2021, 1)
INPUT = [int(i) for i in RAW_DATA.splitlines()]
increases = 0
last = None
for v in INPUT:
if not last:
last = v
continue
if v > last:
increases += 1
last = v
print(f"PART I: {increases}")
increases = 0
last = None
for i, v in enumerate(INPUT):
if not last:
last = INPUT[i] + INPUT[i + 1] + INPUT[i + 2]
continue
try:
INPUT[i + 2]
except IndexError:
continue
current = INPUT[i] + INPUT[i + 1] + INPUT[i + 2]
if current > last:
increases += 1
from session import fetch
RAW_DATA = fetch(2019, 3)
result_part_1 = 0
result_part_2 = 0
COORDS = {0: {}, 1: {}}
def follow(wire, stop_at=None):
coord = [0, 0]
steps = 0
for p in RAW_DATA.splitlines()[wire].split(','):
direction = p[0]
length = int(p[1:])
for i in range(length):
steps += 1
if direction == 'R':
coord[1] += 1
elif direction == 'L':
coord[1] -= 1
elif direction == 'U':
coord[0] += 1
else:
coord[0] -= 1
if stop_at and stop_at == tuple(coord):
return steps
COORDS[wire].setdefault(coord[0], [])
COORDS[wire][coord[0]].append(coord[1])
from session import fetch
RAW_DATA = fetch(2020, 8).splitlines()
result_part_1 = 0
result_part_2 = 0
ACCU = 0
LINE = 0
EXECUTED = {}
def execute(line, accu):
command, arg = RAW_DATA[line].split()
if command == 'nop':
line += 1
return (line, accu)
number = int(arg[1:])
if command == 'acc':
line += 1
if arg[0] == '+':
accu += number
else:
accu -= number
return (line, accu)
if command == 'jmp':
if arg[0] == '+':
line += number
else:
line -= number
return (line, accu)