102 lines
2.6 KiB
Python
102 lines
2.6 KiB
Python
#!/bin/python3
|
|
import sys,re
|
|
from pprint import pprint
|
|
sys.path.insert(0, '../../')
|
|
from fred import list2int
|
|
|
|
input_f = 'input'
|
|
|
|
part = 2
|
|
#########################################
|
|
# #
|
|
# Part 1 #
|
|
# #
|
|
#########################################
|
|
|
|
def visit(next,visited,records):
|
|
#print('Starting at',next, ' having visited',visited)
|
|
#print(records[next])
|
|
if len(records[next]) == 1:
|
|
if records[next][0] not in visited:
|
|
visited.append(records[next][0])
|
|
next = records[next][0]
|
|
visit(next,visited,records)
|
|
else:
|
|
for i in records[next]:
|
|
if i not in visited:
|
|
visited.append(i)
|
|
visit(i,visited,records)
|
|
return visited
|
|
|
|
if part == 1:
|
|
|
|
records = {}
|
|
visited = []
|
|
|
|
with open(input_f) as file:
|
|
for line in file:
|
|
l = line.rstrip().replace(' ','')
|
|
if '<->' in l:
|
|
x = l.split('<->')
|
|
records[int(x[0])] = list2int(x[1].split(','))
|
|
|
|
#pprint(records)
|
|
start_node = 0
|
|
|
|
visited = visit(start_node,visited,records)
|
|
|
|
|
|
print(visited)
|
|
print(len(visited))
|
|
|
|
|
|
#########################################
|
|
# #
|
|
# Part 2 #
|
|
# #
|
|
#########################################
|
|
def visit(next,visited,records):
|
|
#print('Starting at',next, ' having visited',visited)
|
|
#print(records[next])
|
|
if len(records[next]) == 1:
|
|
if records[next][0] not in visited:
|
|
visited.append(records[next][0])
|
|
next = records[next][0]
|
|
visit(next,visited,records)
|
|
else:
|
|
for i in records[next]:
|
|
if i not in visited:
|
|
visited.append(i)
|
|
visit(i,visited,records)
|
|
return visited
|
|
|
|
if part == 2:
|
|
|
|
records = {}
|
|
visited = []
|
|
|
|
with open(input_f) as file:
|
|
for line in file:
|
|
l = line.rstrip().replace(' ','')
|
|
if '<->' in l:
|
|
x = l.split('<->')
|
|
records[int(x[0])] = list2int(x[1].split(','))
|
|
|
|
#pprint(records)
|
|
start_node = 0
|
|
|
|
groups = []
|
|
|
|
for i in range(0,len(records)):
|
|
if not any(i in sublist for sublist in groups):
|
|
#print(i, ' not in ', groups)
|
|
visited = visit(i,visited,records)
|
|
groups.append(visited)
|
|
#print('Visited',visited)
|
|
visited = []
|
|
#print(len(visited))
|
|
|
|
pprint(groups)
|
|
print(len(groups))
|
|
|