You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
149 lines
3.0 KiB
149 lines
3.0 KiB
#!/usr/bin/env python
|
|
|
|
from aoc import get_input # AoC
|
|
import re # regex
|
|
|
|
data = get_input(16).strip()
|
|
|
|
stuff = data.split("\n\n")
|
|
|
|
params = stuff[0].split("\n")
|
|
myticket = stuff[1].split("\n")[1]
|
|
tickets = stuff[2].split("\n")
|
|
tickets.pop(0)
|
|
|
|
|
|
def parseParam(param):
|
|
name, rnga1, rnga2, rngb1, rngb2 = re.match(r"([a-z\ ]+): ([0-9]+)-([0-9]+) or ([0-9]+)-([0-9]+)", param).groups()
|
|
|
|
rng1 = range(int(rnga1), int(rnga2) + 1)
|
|
rng2 = range(int(rngb1), int(rngb2) + 1)
|
|
|
|
return name, rng1, rng2
|
|
|
|
ranges = dict()
|
|
for i in range(len(params)):
|
|
par = params[i]
|
|
name, rng1, rng2 = parseParam(par)
|
|
ranges[name] = (rng1, rng2)
|
|
|
|
|
|
def parseTicket(ticket):
|
|
return [int(n) for n in ticket.split(",")]
|
|
|
|
badvals = []
|
|
|
|
goodtickets = [ti for ti in tickets]
|
|
|
|
for i in range(len(tickets)):
|
|
if( i > 0 ):
|
|
ticket = tickets[i]
|
|
vals = parseTicket(ticket)
|
|
|
|
for v in vals:
|
|
checks = []
|
|
for cl, rng in ranges.items():
|
|
for r in rng:
|
|
checks.append( v in r )
|
|
|
|
valid = any(check for check in checks)
|
|
|
|
if(not valid):
|
|
badvals.append(v)
|
|
break
|
|
|
|
if( not valid ):
|
|
print(f"Bad: {ticket=} {any(checks)=}")
|
|
goodtickets.remove(ticket)
|
|
|
|
|
|
print("\nPart1:", sum(badvals))
|
|
|
|
|
|
tickets = [parseTicket(t) for t in goodtickets]
|
|
|
|
ticketlen = len(tickets[0])
|
|
|
|
|
|
# make seen list for param and index
|
|
#
|
|
# go through all indexes, i=0
|
|
# make list of possibleParams for that i
|
|
# # go through all tickets for i
|
|
# # # go through all params
|
|
# # # # check if ticket[i] is in param range
|
|
# # # # # if not then remove param from iparams
|
|
# # # # # else next param
|
|
# take first param
|
|
# exclude param from list and exclude index from list
|
|
# next index
|
|
|
|
|
|
|
|
seenparams = []
|
|
seenindex = []
|
|
|
|
paramsIndex = dict()
|
|
|
|
def getPosParams(i):
|
|
iparams = dict()
|
|
possibleParams = []
|
|
for p in params:
|
|
paramclass, rng1, rng2 = parseParam(p)
|
|
iparams[paramclass] = (rng1, rng2)
|
|
possibleParams.append(paramclass)
|
|
|
|
for t in goodtickets:
|
|
ticket = parseTicket(t)
|
|
num = ticket[i]
|
|
|
|
for param, rng in iparams.items():
|
|
|
|
check = num in rng[0] or num in rng[1]
|
|
if(not check and param in possibleParams):
|
|
possibleParams.remove(param)
|
|
else:
|
|
continue
|
|
|
|
return possibleParams
|
|
|
|
|
|
for i in range(ticketlen):
|
|
posparam = getPosParams(i)
|
|
posparam.sort(key=len)
|
|
print(posparam)
|
|
|
|
thisparam = None
|
|
|
|
for cl in posparam:
|
|
if(not cl in seenparams):
|
|
thisparam = cl
|
|
seenparams.append(cl)
|
|
break
|
|
|
|
paramsIndex[i] = thisparam
|
|
|
|
print("####", paramsIndex)
|
|
thenums = []
|
|
|
|
for i, cl in paramsIndex.items():
|
|
print(f"{cl}: {parseTicket(myticket)[i]}")
|
|
|
|
if(cl):
|
|
if( "departure" in cl ):
|
|
thenums.append(parseTicket(myticket)[i])
|
|
|
|
|
|
|
|
|
|
print(thenums)
|
|
|
|
import math
|
|
|
|
print(" 1409959524847 !=")
|
|
print("#",math.prod(thenums))
|
|
print(" 21095351239483")
|
|
print(" 30145908219919 reverse")
|
|
|
|
print(sum(thenums))
|
|
|
|
|