day 3 part 1
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parent
1bb8dff1ac
commit
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23
day2/day2.py
23
day2/day2.py
@ -5,19 +5,18 @@ def part1(lines):
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result = set()
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result = set()
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for index, line in enumerate(lines):
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for index, line in enumerate(lines):
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game_id = index + 1
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game_id = index + 1
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_, line = line.split(":")
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_, line = line.split(": ")
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result.add(int(game_id))
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result.add(int(game_id))
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hands = line.rstrip().split(";")
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hands = line.rstrip().split("; ")
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for hand in hands:
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for hand in hands:
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colors = {"red": 0, "green": 0, "blue": 0}
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colors = {"red": 0, "green": 0, "blue": 0}
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cubes = hand.split(",")
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cubes = hand.split(", ")
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for cube in cubes:
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for cube in cubes:
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_, n, color = cube.split(" ")
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n, color = cube.split()
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colors[color] = int(n)
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colors[color] = int(n)
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if colors["red"] > 12 or colors["green"] > 13 or colors["blue"] > 14:
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if colors["red"] > 12 or colors["green"] > 13 or colors["blue"] > 14:
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# impossible configuration, remove this game_id from the result
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# impossible configuration, remove this game_id from the result (if present)
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if int(game_id) in result:
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result.discard(int(game_id))
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result.remove(int(game_id))
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print(f"Part 1: {sum(result)}")
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print(f"Part 1: {sum(result)}")
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@ -25,12 +24,12 @@ def part2(lines):
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result = []
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result = []
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for line in lines:
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for line in lines:
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colors = {"red": 0, "green": 0, "blue": 0}
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colors = {"red": 0, "green": 0, "blue": 0}
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_, line = line.split(":")
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_, line = line.split(": ")
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sets = line.rstrip().split(";")
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hands = line.rstrip().split("; ")
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for s in sets:
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for hand in hands:
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cubes = s.split(",")
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cubes = hand.split(", ")
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for cube in cubes:
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for cube in cubes:
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_, n, color = cube.split(" ")
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n, color = cube.split()
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colors[color] = max(colors[color], int(n))
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colors[color] = max(colors[color], int(n))
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result.append(prod(colors.values()))
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result.append(prod(colors.values()))
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print(f"Part 2: {sum(result)}")
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print(f"Part 2: {sum(result)}")
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82
day3/day3.py
Normal file
82
day3/day3.py
Normal file
@ -0,0 +1,82 @@
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from typing import Tuple, List
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def browse_schema(schema):
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total_parts = 0
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buf = []
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max_row, max_col = len(schema), len(schema[0])
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for y in range(max_row):
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for x in range(max_col):
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item = schema[y][x]
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if item.isnumeric():
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# continue parsing full number
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buf.append(item)
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elif buf:
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# end of a number, do the engine part check
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if buf:
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neighbors = get_neighbors((x, y), len(buf), schema)
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if is_engine_part(neighbors):
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part_number = int("".join(buf))
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total_parts += part_number
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buf.clear() # reached end of a number, clear buffer
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print(f"Part 1, sum of the parts numbers = {total_parts}")
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print(f"Part 2, sum of the gear ratios = TODO")
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def is_engine_part(neighbors: List[str]) -> bool:
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# get list of symbols (not '.', \n or a number)
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symbols = filter(lambda x: not x.isnumeric() and not x in (".", "\n"), neighbors)
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return next(symbols, None) is not None
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def get_neighbors(pos: Tuple[int, int], length: int, schema: List[List[str]]) -> List[str]:
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x, y = pos
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start_x = x - length
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neighbors = [get_neighbors_of_digit((x, y), schema) for x in range(start_x, x)]
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neighbors = [item for sublist in neighbors for item in sublist] # flatten list of list
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return neighbors
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def get_neighbors_of_digit(pos: Tuple[int, int], schema: List[List[str]]) -> List[str]:
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max_row, max_col = len(schema), len(schema[0])
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x, y = pos
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neighbors = []
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# top
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if y-1 >= 0:
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neighbors.append(schema[y-1][x])
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# bottom:
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if y+1 < max_row:
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neighbors.append(schema[y+1][x])
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# left
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if x-1 >= 0:
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neighbors.append(schema[y][x-1])
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# right
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if x+1 < max_col:
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neighbors.append(schema[y][x+1])
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# top-left
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if y-1 >= 0 and x-1 >= 0:
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neighbors.append(schema[y-1][x-1])
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# top-right
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if y-1 >= 0 and x+1 < max_col:
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neighbors.append(schema[y-1][x+1])
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# bottom-left
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if y+1 < max_row and x-1 >= 0:
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neighbors.append(schema[y+1][x-1])
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# bottom-right
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if y+1 < max_row and x+1 < max_col:
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neighbors.append(schema[y+1][x+1])
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return neighbors
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if __name__ == "__main__":
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import sys
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infile = sys.argv[1]
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with open(infile) as f:
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schema = [[c for c in line] for line in f.readlines()]
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browse_schema(schema)
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10
day3/example.txt
Normal file
10
day3/example.txt
Normal file
@ -0,0 +1,10 @@
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467..114..
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...*......
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..35..633.
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......#...
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617*......
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.....+.58.
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..592.....
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......755.
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...$.*....
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.664.598..
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140
day3/input.txt
Normal file
140
day3/input.txt
Normal file
@ -0,0 +1,140 @@
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................................................965..583........389.................307.................512......................395.....387
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........................#....374...382....250...*..........737*....*896.395...........*....................$.........................#......
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..494.........532-...474......*.......#....*...................522......*..........%...........................%...+................269.....
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.....*..#................506..143........375......77.....155...........400.518...64....773...718..797........694....972.603.....*...........
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....479.795...............*..........800...........*.$.......264*636.......@..............&..*...*.......499...............*...5.20.........
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515...................512.484...*....*...=......390...427...................................644.804.........*...@......-..532............28.
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..........607...........&.....105...906...910.......@............979.969...........-..=.............462....414..101.361..........283$.......
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..........*...781................................925..............=...*..........434..899....368.......*..................33...........*....
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.......850.......=........559..249...................732.....430....132........................*.....................817-.=.........613.381.
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....................157....*...&....978..............$......-...................*626.-.......297.............750............................
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..........312...........606........*....136.............593.............638...........177.....................*....672.772....998.491=......
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....450......*..156...............760.....=.......227......%..794...157........................919.......&....607..*...*....................
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.......*...108...............968...................-..........*........*....80....669..........$..........854......6..572.....743....&......
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......759.......649.............*832.......351.........433...418...997........*.....*.......46....187...........................*.....759...
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............344.&..........&.........573......@...556.............*..........884...748..317../....+..........................236............
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......#..................627.....334*..............*...933........774.534................*.......................................905........
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...642.....105..........................100.......372.....$...........*..........*982..527....$837..406.948....*127......455........*.......
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...........*.......383............293......*750.&.....774....630......51......826...........................361.........=.......993..822....
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....*..576.346.876....@..907.953..@..............982..*.........+.................913*782...*115..565..526........779.......971.............
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..20...*..........*.......*....%.............46-.......8................232................5.....................*....@........$........903.
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.....$.............483.....420......115....$......287...............................873.......................131....818...............*....
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......161....*362.....................-.266.........*......524...157.79....@.396.......*............848@.293............................988.
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..........412...................................97..721.....#.......*...638../......305.......................+.................630*818.....
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.194..................556....297.253...........*.........................................................@.....186..213..819................
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................154.....$.......*....454......46.795.686.......=..204.........$...=............771.....171..........#................-456...
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..................*.....................*........*.....-.....457.....*....638.466..579......................#..........109.....727..........
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..................177......785.769...827..........500....168........479....*...........=....255..............74...........*845....*..375....
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................-.........*.....*..........................*..............360..681......700.......................853...........781.....*...
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..846..91......966........511.435.............245.......617.............*.....*....................................$.....810...........836..
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.....*.................................%86......*..............121.......721..751......386*.......476*60...%195......801...%.......345......
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..763........+....428@....-40.391...............970......803......=...*....................351...................185....*.....118...*.......
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......#862..345....................629......45............+.........897.....802........488..........................*.....274.../..676../...
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..945.............299.......$......*..........................183..................190...&........763.....484..364...235....%..........564..
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...*..............*........404...527....&....137.814.......57......890.......407..*.........................*...*..............711&.........
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....424..........66..................966.......*.@.........*......*......806...+........................98....762......$...663........605...
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....................404......................614...489..........150....-..*........367...................*.........909.863...#........*.....
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.............%759...*...+....916.498...&.............*.551..........191..606...............797........391.......................=568...898..
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........2*........632.987......*....*.155.$2......412........................730...401.....#....438..........412*199........................
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|
..........729...............89.753...........364.........687....................*.....*86........*.............................%.....657....
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...............182./687.214.*.......................141..*....................$..620.......706%.368.....*.............758....694.971....*774
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|
.....617........*.........*..335....89....583.........*..378...945.....272...97......................264.817.............*........*..+......
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.../....*506.779...31..168..................*......732............*.../.....................957......................104.156...160..219.$...
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....789.............*....../........671...45....................982.&.......%.......$.......*...264.............386..*..................588.
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..................575.......192...../..................51*952.......264....655..=17..113...998.............932.......638..........24*.......
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...........@............@.......................................#................................650..........*734...........652.....278....
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........903.....=....805......944..............................377........477........&73.610.......+...640..........852.........*893........
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.............882.........@768..%..103........465......636.............................................*..........29...*.661.295......61.....
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.....................467.........$......292...*.........&..........640.......926.........201..173...38...........*..805.*.............*.....
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......296....317.......*.....995............$.889..890....665.......*....47..@....701&..$.......$......739....388.......257............790..
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..989..*.....&....980..168.....*...........17........*.....*.......894..*.........................*200.*....................................
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..../...561....................198.34*811......726.122...+.63..437......787.........668........355.......641....@...........................
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.................................................*.....112.....*................798*.......420..........*........244..758..............771..
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...&.......573..............515..................252........511......................396...%.......805.736............/..........546........
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342.......*....................*.44.................................*....399.188.....*........................254........13*................
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........%..720.............695......875*362.........@...649*919..585.477...*..*...245....450....-............*.......743....645.&......796..
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.....556.........460.........$..............919&....679...................935.............*...273.........396.........*..........659........
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...&.............-.........%.....542*...............................................255.368........387..............435..612*...............
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980................484...964.........736........%327.......210..+......962.610...............396.............492.............259.970*.......
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....-.......850...............645...........56.........275*.....928.....*.....-..81....133........=..889....*........................382....
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..382................419*.......*......@......*.............439........953.......*....*..........341..*..322.....226.342.......*598.........
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...............636=......662.204........620..13..............*...171..............19..396............27.............*.......539........278..
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.........131.........133........................282...900...48...*........678.379................+.....................798.......131....@...
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.....684*.....944.......*...@.....991...................*.........90.......*..+...818.783....19..492...501*842..........*..480*..@..........
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..........515..........855...646.+.......451.../533.....115...../.........841.................#........................272...........154....
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....107=..*................................&..........=.......631.....837.............52..............485......193.%.......983......*.......
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..........587............405*329....957............451............60.*............370......................222..*...461....@.......894..534.
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..705...............131...............$...640...............127*8.+..859.145.......%...440...%..................875.........................
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|
...*..714....783..........@986......&........*.........................................*...199.451....=.....................87.......190....
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|
.349..*......%.....429...............602..562..519................=......112*....669....8..............105...........#......../..387........
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|
.....792.............*.......854..............*.................93...........808...$...........%673........802$.......586..........*........
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|
.............-.......282.....+...-756.......291.........&...............................209.......................534.......573.831....*955.
|
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|
..........195............401..........617.............676.........................................961..716...................*..............
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.....762................*.......*864.........%694..............249./....-....572.327..........784..*..........@.534........883.........724..
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......%..............#...109.304....................................56...240.*...*......657...%....837..792.292...=...............*.........
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...................974..............89..............629....#460..............330.....*....*..............*................620#...887........
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...877*793..................680+...*........$662...*..............................365.898..773.........726...........607.............579....
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.................................316.404...........716.....*775.....%.........................................573.67.#...399.953......*.....
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.......931...................91@.....*.........680.....395.......760......165....302............960....*.........*.......*.........697......
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.......*......962..997/.............363.....*....*....@....126........566*........$..4..739*..........545.953.............955...............
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|
....548.........%................./.....*.734.....653.....*...........................#.....489..............*....336.763...................
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........@.185........88.........483...208......-..........419..331......460.../46.406.......................582.-....*..........408.........
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.....106../......654..*.....................423.......109.........*................*............269..%21.........632.....324+......*...*....
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................%....265......906....926.............*............475..60........188...............*.............................994..905...
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........=781....................*....*.....938....401.......857.......*.......................802.300..625.....207..%.......................
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..................355..894...410....402...*...................*.....467................660*..*.........%.......*....721.....&....764........
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...........554...*.......*..............277..-.......648.......491..........................968...........24....380......520....*...........
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......%....*.....757......788.................851......*...416.....493........635....241.........409.....*..........362......660............
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.......23..52..........@............................791.....*......+...=..*.........../...$209...*......282..214...=....370.................
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...................328..291.529.........................50.63........412.591..../..............169........................+........+........
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..701&....=..198.....*.........*....+...........896......$..../................772......*626........458..578=...............337..95...482...
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.......540...&......989....227..736.229.....................52...........241..........95.............*..................599...*......*......
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........................................820.397................937...664*...............................820...222.185...*.....47....862..192
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...........................$.....484.....*..$.......$601........*...............540.........&.............*..............694................
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.....818.630..........15..495...........119...36.........273.....329..=.398....*...........578....220...607..580.......%.......876..........
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.....*........=......*...................................*...........30..=......89..........................*.......182....574.$............
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...98...127....182.363..921..............................273.........................................@231..926...............=....=18.......
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........&.................................183........7@.......................347=.....=......903....................*732..............782..
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.............*635............................%.604*.........@.#910.226...............288..........767.............227............753/..*....
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770.......661............812...$709..430...........997....556......*.....................@...970...........949..........................775.
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............................................984.....................845.......$........861.......297..415.*...............789..*937.........
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..541.......614..10.........453.....................67.....................735...../..............*..*.......................*..............
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...%.../....*..........468...=........*824.109........*58............318............29.....152..538.488.....423.......19......602...162.....
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......279.363.228........*.........221.............&.......*..................................@................*788....*...........*........
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706....................114..............&987.873..316...701.871.....846...501......200.603..........876.................929......178........
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...*..503.......78.................................................-......*..........*............+.........179......$......................
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||||||
|
.850.....$..118...+.............944..........19.............@735..........388..160...365..582....524..........*.......355.....840...........
|
||||||
|
..............*......*..........=...475+.926*.....433.............../146.......*..............................380.....................614...
|
||||||
|
...........228....200.695..........................*..391..529..................918...290...340..16*.....482................363.........$...
|
||||||
|
.......906......................993......=986...874...*...#....+............37...........*....=...........#...................*.....32......
|
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|
...&......*230..204=........721...*.$...............839.....456..553..601..*...408.....914..................77.................662..*..=554.
|
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|
...29.......................*...717.248.....358.................@......$...977...*................94.....................*846...............
|
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|
.............542..546.....52.................*........286........................669......................=...401......61.....709*389.480...
|
||||||
|
........989......*....253....713.........742..171.........325....976....*...513/....................967.246....*........................*...
|
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|
...........=....571...*........-..=456.....................*........*..300.......344..........146..............87........................66.
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|
..199*................204..............+.490.......584...427.166...810.....431......+...115....*..........195...........=...................
|
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|
......247.645....................693.204....-.....*....................310...*..*........*.....772....686*.........=323.194....451......=...
|
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|
.....................596.304*696.@....................................*....220...351..444..934..................................+........136
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|
..736...............&..................................510..250..638.766..................*....511....195.........#..778..&902....721.......
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|
...........758............*..........=401......210..#.....&.-...*................572...385....*.......%.....200.248.*..............*........
|
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|
...........*...........991.358.256.........782*......742.........832....*.......=..........799...675*......*.........80.819.902...18........
|
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|
...........735...*.............*........*.......*242.....414*704.....194..325...........................569..............$...@..............
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|
..................772.......309...+..204.....659.....&.....................*............297*..396*494.......26......................131.....
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|
.....%..+.......................169...................860..333...212*....459.............................../.......392.............@.....103
|
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|
....628..891....../....519..88............................*..........530......90*....225.418....112....614....274..$......169%.399...481....
|
||||||
|
850............829..48..%.........931........./388.......270..............@......798......#........@....*........$...............-..*.......
|
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|
...*876...............*...820.....*............................614*834...745............................575..................-......827.....
|
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|
......................764....*..432...........516$.133..633..................489$........396.255.............636..413*.811....337.......*682
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|
.667......................639...........199..........*...+......=....*500.........401@......*...........878-..*........../...........419....
|
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|
....@......28...........................*...#....@..72.......539..708........237.................=............675.851@......................
|
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|
.......777........406...459$..........993.445.719......./......................+...706........386....%....../..................*96.271......
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|
.311..*.......................&......................317../542....................@.....+.........136......821.543..........947.............
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|
...*..982.....657..70=..948#..159..777../.....757....................816...............887.............325........*....................871..
|
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|
.804..........=.....................*..284..........255*...............+....48...589*......199................#.68..542......&.&241...*.....
|
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|
.......10............604.....287...66......507..........917...585............-.......6.327..-......822.....718.....*.......825.......34.....
|
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|
........*......904$....*..................+......*.............*.....454.820............@.....492.*................887............@.........
|
||||||
|
.......645.-.........49..............844.........533........958.........*.......32.892..........%.118...+..670*296......%...122..840.230....
|
||||||
|
....=......176..........................*.=..........................%1.....397*...........820.........407...............21...........*.....
|
||||||
|
...913...........&............408.....135.300..............775...993.........................@..............%.....272...........*626...101..
|
||||||
|
..................95..505......*.................581.........+...*...........59*23.......449.......964...657.......*..........75............
|
||||||
|
.............................87...622..........................822...............................................215.............810........
|
||||||
Loading…
Reference in New Issue
Block a user