AdventOfCode/2023/day8/part2.py

114 lines
1.8 KiB
Python
Raw Normal View History

2023-12-08 12:36:03 +01:00
#!/bin/python3
import re
import sys
from pprint import pprint
from collections import Counter
import numpy as np
input_f = sys.argv[1]
def pp(x):
for i in x:
for j in i:
print(j)
print()
d, *maps = open(input_f).read().split('\n')
s = []
l = []
r = []
maps = maps
nmaps = []
for i in maps:
if i == '':
continue
s = i[:3]
l = i[7:10]
r = i[12:15]
nmaps.append([s,l,r])
#pprint(d)
#pprint(maps)
#pprint(nmaps)
count = 0
way = 'AAA'
first = True
found = False
index = 0
way = []
for i in nmaps:
if i[0].endswith('A'):
way.append(i[0])
print(way)
cycles = []
print(d)
for cur in way:
cycle = []
count = 0
cur_d = d
while True:
while count == 0 or not cur.endswith('Z'):
count += 1
index = [(i,table.index(cur)) for i, table in enumerate(nmaps) if cur in table]
for j in index:
if list(j)[1] == 0:
index = list(j)[0]
if cur_d[0] == 'R':
cur = nmaps[index][2]
if cur_d[0] == 'L':
cur = nmaps[index][1]
print(cur)
cur_d = cur_d[1:] + cur_d[0]
print(cur_d)
input()
cycle.append(count)
cycles.append(cycle)
print(cycles)
"""
while found == False:
i = d[count%len(d)]
c = way
index = [(i,table.index(c)) for i, table in enumerate(nmaps) if c in table]
for j in index:
if list(j)[1] == 0:
index = list(j)[0]
if i == 'R':
way = nmaps[index][2]
if i == 'L':
way = nmaps[index][1]
count += 1
if way == 'ZZZ':
found = True
continue
"""
print('Result: ' + str(count))