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#!/usr/bin/env python3 | |
from collections import defaultdict | |
from heapq import heappop, heappush | |
with open("input.txt") as f: | |
empty, rocks, walls = defaultdict(list), defaultdict(list), defaultdict(list) | |
n = 0 |
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#!/usr/bin/env python3 | |
def solve(pattern: list[str]) -> int: | |
n = len(pattern) | |
m = len(pattern[0]) | |
rows = [] | |
repeated_rows = [] | |
for i in range(n): | |
x = 0 |
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#!/usr/bin/env python3 | |
from functools import cache | |
def solve(pattern: str, groups: list[int]) -> int: | |
@cache | |
def dp(start_pos: int, g: int) -> int: | |
if start_pos == len(pattern): | |
return int(g == len(groups)) | |
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#!/usr/bin/env python3 | |
def build_map() -> list[list[str]]: | |
with open("input.txt") as f: | |
rows = [] | |
for line in f: | |
line = list(line.strip()) | |
elems = set(line) | |
if len(elems) == 1 and '.' in elems: |
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#!/usr/bin/env python3 | |
from typing import Mapping | |
FROM_TO_MAPPING: Mapping[tuple[int, int], Mapping[str, tuple[int, int]]] = { | |
(0, 2): { | |
'-': (0, 2), | |
'J': (-2, 0), | |
'7': (2, 0), |
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#!/usr/bin/env python3 | |
def solve(arr: list[int]) -> int: | |
n = len(arr) | |
x = [arr] | |
for i in range(n - 1): | |
x.append([x[i][j + 1] - x[i][j] for j in range(n - i - 1)]) | |
x[-1].append(0) | |
for i in range(n - 2, -1, -1): | |
x[i].append(x[i][-1] + x[i + 1][-1]) |
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#!/usr/bin/env python3 | |
import re | |
from itertools import cycle | |
map = {} | |
ROUTE = re.compile(r"^(\w{3}) = \((\w{3}), (\w{3})\)$") | |
index_map = { | |
'L': 0, |
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#!/usr/bin/env python3 | |
from collections import Counter | |
from enum import IntEnum | |
from typing import Mapping, Tuple | |
CARDS: Tuple[str, ...] = ('J', '2', '3', '4', '5', '6', '7', '8', '9', 'T', 'Q', 'K', 'A', ) | |
CARDS_VALUES: Mapping[str, int] = {c: i for i, c in enumerate(CARDS, start=2)} | |
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#!/usr/bin/env python3 | |
with open("input.txt") as f: | |
seeds = [int(x) for x in f.readline().strip().split(':')[1].split(' ') if x] | |
f.readline() | |
steps = [] |
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#!/usr/bin/env python3 | |
from typing import Set | |
def str_to_set(numbers: str) -> Set[int]: | |
return set(int(x) for x in numbers.strip().split(" ") if x) | |
ans = 0 |
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