def do(inp, line):
w = line.split(" ")
if w[0] == "swap":
if w[1] == "position":
x = int(w[2])
y = int(w[-1])
elif w[1] == "letter":
x = inp.index(w[2])
y = inp.index(w[-1])
t = inp[x]
inp[x] = inp[y]
inp[y] = t
elif w[0] == "reverse":
[lo, hi] = lib.rints(line)
s = inp[:lo] + inp[lo:hi + 1][::-1] + inp[hi + 1:]
inp = s
elif w[0] == "rotate":
if "step" in line:
n = lib.rints(line)[0]
if w[1] == "left":
s = inp[n:] + inp[:n]
else:
s = inp[-n:] + inp[:-n]
else:
n = inp.index(w[-1])
if n >= 4:
n += 2
else:
n += 1
n %= len(inp)
s = inp[-n:] + inp[:-n]
inp = s
elif w[0] == "move":
[x, y] = lib.rints(line)
c = inp.pop(x)
inp.insert(y, c)
return inp
def totlen(s):
i = 0
inp = False
last = 0
totalen = 0
while (i < len(s)):
if s[i] == '(' and not inp:
inp = True
last = i
elif s[i] == ')' and inp:
inp = False
m = lib.rints(s[last:i])
if args.part == 1:
totalen += m[0] * m[1]
else:
totalen += m[1] * totlen(s[i + 1:i + m[0] + 1])
i += m[0]
elif not inp:
totalen += 1
i += 1
return totalen
def solve2(line):
# print(line)
parens = []
match = dict()
for i, c in enumerate(line):
if c == "(":
parens.append(i)
elif c == ")":
match[parens[-1]] = i
parens.pop()
if len(match) > 0:
mini = min(match.keys())
return solve2(line[:mini] + str(solve2(line[mini + 1:match[mini]])) +
line[match[mini] + 1:])
else:
m = re.search(r"(\d+) \+ (\d+)", line)
if not m:
return reduce(lambda a, b: a * b, lib.rints(line))
else:
skip = len(m.group(0))
start = line.index(m.group(0))
thissum = int(m.group(1)) + int(m.group(2))
return solve2(line[:start] + str(thissum) + line[start + skip:])
import numpy as np
di = lib.di4
dj = lib.dj4
parser = argparse.ArgumentParser()
parser.add_argument("input")
parser.add_argument("part", type=int)
args = parser.parse_args()
f = open(args.input, "r")
lines = [line for line in f.read().splitlines() if line.strip()]
XX = 30000000 if args.part == 2 else 2020
for li, line in enumerate(lines):
last = defaultdict(list)
nums = lib.rints(line)
spoken = [-1] * XX
for i in range(XX):
if i < len(nums):
spoken[i] = nums[i]
last[spoken[i]].append(i)
elif len(last[spoken[i - 1]]) == 1:
spoken[i] = 0
last[0].append(i)
else:
spoken[i] = last[spoken[i - 1]][-1] - last[spoken[i - 1]][-2]
last[spoken[i]].append(i)
print(spoken[-1])
parser.add_argument("input")
parser.add_argument("part", type=int)
args = parser.parse_args()
f = open(args.input, "r")
lines = [line for line in f.read().splitlines() if line.strip()]
rules = []
YT = False
NT = False
totalinv = 0
allns = []
myt = []
for li, line in enumerate(lines):
if ":" in line:
r = lib.rints(line)
rules.append((r[0], r[1], r[2], r[3]))
elif line.startswith("aa"):
myt = lib.rints(line)
elif line.startswith("bb"):
ns = lib.rints(line)
allns.append(ns)
if args.part == 1:
for i, ns in enumerate(allns):
for n in ns:
valid = False
for r in rules:
if r[0] <= n <= r[1] or r[2] <= n <= r[3]:
valid = True
if not valid:
from advent_of_code import lib
parser = argparse.ArgumentParser()
parser.add_argument("input")
parser.add_argument("part", type=int)
args = parser.parse_args()
f = open(args.input, "r")
lines = f.read()
if args.part == 1:
c = 0
for line in lines.splitlines():
if not line.strip():
continue
nums = lib.rints(line)
v = True
for p in it.permutations(nums):
if p[0] + p[1] <= p[2]:
v = False
if v:
c += 1
print(c)
else:
c = 0
nums = []
for line in lines.splitlines():
if not line.strip():
continue
nums.append(lib.rints(line))
for i in range(len(nums[0])):
di = lib.di4
dj = lib.dj4
parser = argparse.ArgumentParser()
parser.add_argument("input")
parser.add_argument("part", type=int)
args = parser.parse_args()
f = open(args.input, "r")
lines = [line for line in f.read().splitlines() if line.strip()]
ranges = []
alls = []
for li, line in enumerate(lines):
x = lib.rints(line)
ranges.append((x[0], x[1]))
alls.append((x[0], '1s'))
alls.append((x[1], '2e'))
MAX = 4294967295
#MAX = 9
alls = sorted(alls)
last = -1
o = 0
tot = 0
for i, e in enumerate(alls):
if e[1] == '1s':
o += 1
if o == 1:
if args.part == 1:
parser = argparse.ArgumentParser()
parser.add_argument("input")
parser.add_argument("part", type=int)
args = parser.parse_args()
f = open(args.input, "r")
lines = [line for line in f.read().splitlines() if line.strip()]
tlo = 17
thi = 61
unprocessed = set(range(len(lines)))
bots = defaultdict(set)
for li, line in enumerate(lines):
nums = lib.rints(line)
if len(nums) == 2:
bots[nums[1]].add(nums[0])
unprocessed.remove(li)
outputs = defaultdict(set)
while (len(unprocessed)):
rest = list(unprocessed)
for ri in rest:
nums = lib.rints(lines[ri])
if len(bots[nums[0]]) >= 2:
unprocessed.remove(ri)
lo = min(bots[nums[0]])
hi = max(bots[nums[0]])
bots[nums[0]].remove(lo)
bots[nums[0]].remove(hi)
import math
from hashlib import md5
from advent_of_code import lib
from copy import deepcopy
di = lib.di4
dj = lib.dj4
parser = argparse.ArgumentParser()
parser.add_argument("input")
parser.add_argument("part", type=int)
args = parser.parse_args()
f = open(args.input, "r")
lines = [line for line in f.read().splitlines() if line.strip()]
inp = lib.rints(lines[0])[0]
if args.part == 1:
z = int("0" + lib.bin1(inp)[1:], 2)
print(2 * z + 1)
elif args.part == 2:
surv = [0]
for i in range(2, inp + 1):
kill = i // 2
if surv[-1] + 1 < kill:
surv.append((surv[-1] + 1) % i)
else:
surv.append((surv[-1] + 2) % i)
print(surv[-1] + 1)
import argparse
import re
from collections import defaultdict
import itertools as it
import math
from hashlib import md5
from advent_of_code import lib
from copy import deepcopy
di = lib.di4
dj = lib.dj4
parser = argparse.ArgumentParser()
parser.add_argument("input")
parser.add_argument("part", type=int)
args = parser.parse_args()
f = open(args.input, "r")
lines = [line for line in f.read().splitlines() if line.strip()]
tot = 0
tot2 = 0
for li, line in enumerate(lines):
[a, b, c] = lib.rints(line)
tot += 2 * (a*b + a*c + b*c) + min(a*b, a*c, b*c)
tot2 += 2 * (a + b + c - max([a, b, c])) + a*b*c
print(tot)
print(tot2)
for line in lines.splitlines():
if not line:
continue
# pgr(g)
gg = deepcopy(g)
x = line.split(" ")
if len(x) == 2:
m, n = x[1].split("x")
n = int(n)
m = int(m)
for i in range(n):
for j in range(m):
gg[i][j] = True
else:
if x[1] == "row":
i = lib.rints(x[-3])[0]
dj = int(x[-1])
for j in range(mm):
pj = (j + dj) % mm
gg[i][pj] = g[i][j]
else:
j = lib.rints(x[-3])[0]
di = int(x[-1])
for i in range(nn):
pi = (i + di) % nn
gg[pi][j] = g[i][j]
g = gg
#pgr(g)
sol = 0
for i in range(nn):
