day4 part1

This commit is contained in:
Tyrel Souza 2024-12-04 10:06:16 -05:00
parent 2e0241fde8
commit 2bcab64eff
4 changed files with 289 additions and 21 deletions

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2024/full/day04.txt Normal file
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MASMSSSMAMSMSXMXSXMSSMMSSSMXMXSAASMSMAMSAMAAMASAMSMMASAMXMXXXSAAMAXMSMMXMXMMSMMASMXMAAXMASAMSASAAASXAMAMMMXAXXAMXSXMAMMSMSSMMXAAAMMXXMAMASAA
MAMAAAMMSMMXMASAMAXAAAAMMMMMMSMMMSAAMSMSASMXSAMMXXASMMAMSSSXXMMMMAMMAMXMSASAAAMXMMSSSSSMAXMASASXXSMXMSASAXMXXMXMASAMMSAXAAXASMSMMAMSMSAMAMAS
MXSMMMMAXMASXAMASXMSMMMSXMSASAXSMMMMMAASAMAAXXXMSSXSXMAMXAAXXXXXMSMSASMAXAMSSMXXMAXAXAAAAAXXMMMMMAMAXSAMXSAMSMMMMSAMSMMXMAMXMAXXXSXMASASXSAX
AASASMMXSMMMMMSXMMMMXSAMMASXSXXMASAXXMMMAMSMXMMXMXASMSSMMXMMMMSMAMMSASXSMMMMMMMAMXMMMXMMASMMMSAXMAXMMMSMXMMXAAAAXSXMSASXMMSSMSMSMXASMSMMAMAS
MMSAMXSASXMMMMAMXAAMXMAXMASMMMAMAMXSMSASMMAMXXMAMMMMAAXMSSSXXAXAMMASAMAXAAMAAXSXMAMXSAAXAAXAAMXSSSSXSAXMMMSSSSMXASXMSAMXAAAMXMAXASMMASAMXMAM
XAMAMSMAMSMASAAMSMXSASXMMMSAAAMMSSMMAXASAMAMXMMASAMMMMSXAASAMMMMMMASAMXSMMXMSMMSXXSAMSAMXMMXMMXMAAAAMMMMAXXAMXXSAMXXMAXSMMMSAMXMXMXMXMASAMXS
AMSSXXMAMAMASMMMSXMSASMMAMSXMMSAMAAMAMSMXMASAMSASMMAAXXMMSMMAMXAMSMMXMMMMSXMXAAAXMMXXAXAMXSMMSAMMMMMMAASXSMMMAAMMMMXSAMAAAAXMSSSSXMXSXMSXSAM
XMAMAMXASXMASASAXAAMAMAXSXXASAMAMSMMXXXAMMAMAMMXMASXSMSASAMSASMSMAAXSMMAAXAXSMMMSXAXSMMSXAXAASMMMMAMXXMMSAXAMSSMXAMXSXASMMXSAMAAAMSAMXXSMMAS
XAASMSSMSXSXSXMASMMSMMSSMSSMMASAMMASMAMAMSSMSMSXMXMAAAAMAXXMAMAASMMMMASXSSSMMXSAMASMAXAAMMMMMSAAMXSMMMSMSXMMMXAASXSMXAXXXAAMAMMMMMMASAMXASAM
XMMMXMAAMASAMAMAMXAXAAMAAAXXSAMAXSAMMAMAXAMXXASMMMMMMMMSMASMMMSMSXAAMXMSAAMAAAMAMAMSXMMXAAAMXMMMSAMAAASMMASXAXMMMXAXMMMMMSSSSMSSSXSAMMAXMMAS
SXSAASMMMAMAMXMSSMXMMSSMMMSMSAMAMMXMSXSXMSMXMXMAAMAXXAAAXASAMAAASXSMSSMMSMSSMMSMMAAXXMSMSSXSASAMMMSSMMMAXASAMSSXMSMMAAMXXXAAAAAAXMMASMSMXSAM
MASMMSXMMXSMMSAMXAXXXAAAXXAAXSMSXMAMXMAXMMMAXAMMMSSSSMSMMMSAMSSXSAMAAAAAXXAXXXAXXMMXMSAAXAASXMAMXMXMMXSAMXSMAAMAAAMAXSASXMMMMMMMMXSXMAXMAMMX
MAMAXXAXMAMAXSXSSSXAMSXMMMMSMAXAAXXSAXAXMASMSMSSMAXXXXAAAASMMMMAMAMMMMMMSMSASMSSXAAAMSMMMMMMXSAMAXMAAAMASXMXMAMAMMSSSXMAAMAXAAXMSAMXMAMMSSSM
MMSMMSSMMSSXMMAMAMAXMXMMXMAMXMMSSMASMSMMSASXAXAAMSSMSSSXMMXXAAMAMAMAMXAMAMMASMAAXSMMMXMAAMAMAMAMXSSMMMSXMAXMXMXSXXAMXAXMMMASMSSXSASAMXSXAAXM
AAAXAAAAXAMAAMSMAMXSMXMMAMXSAMMAAXAMXAMXMAMMAMMSXXAXMAMMSSMSSSSXSMSASMXSASAAXMXSXMAMXMSSXSAMASXMXXAAAAXASXMAXXAXMAMXSAMXSMMSAAMASMMMSMSAMSMS
MASMXXSMMMSXMXXMXMMAMAMSMMMSAMMSMMSSSMSSSSMASXXMMXMMMMMAAAXMAXXMAMSMXMASMSMSSXMXASAMXAAXXSXXMAAXXSSMMMSAMASXSMASASXXMSXAAAXMMMMAXAAXAMXSXMAM
MAMAMMXXMXAMMXSXSASAMAMAASMSXMAMASAMAAAMAMMXXXAMAASASXMMSSMMSSMXMASAXSXMAXAAMMAMXMAMXMMSXSAMXSSMAMXMAXMXMXMAXMXMAMASMMMMXMMXXXMAXMMSXSAXMMAM
MAXMXAMMSMSXMAXAXXSMMMSSSMAMMMSSMMASMMMMAMAAMSSMSXSASXMXAAXAAAMASMMAMSAMXMMMXASXSMSMSMAMAMXMAAAMXMAMXSAMXMMXMXSMSMAMAAAAXSMXSMMXSAAAAMMSXSXS
SSSSMMSAXAAMMSMMMMXMAXAXMMXMXMAAASAMXMASMSMAXMAAXAMMMASMSSMMSMMXMAAAMSAMAXAXXXMAXAAAAAAMAMXMMSXMASAXAMXMXMMMSAMAXMXSXSXSAAXAXAAAMMMMSMMMAMMM
XMAAAXXMMMMSAXAAAXSSXXAMMASMMXSXMXAMXSMMMAXMSMMMMMMASAMXAAXXXXSSSMXMMXASXSMSSMMAMSMSMSMSSXSAAAASXSMSMSAXAMXAMAMSMXMMAXAMXAMXSMMSSSMMAAAMAMAA
XMAMSSMMMXXMAXSSSMMASMASMASAAAXSXXASMSXXXAMMAMXSAASAMASMSMMXMAMAASXSXSXMAXMAMAMMMXAMAMAXAASMMSXMAXAAXSXSMSMXSAMASMMMSMXMSMSMSXMAAMSXSXMSMMMS
SXSXAAAXAXMMMXMAMAMAMXAMMXSMMMSAMSAMXMAXSAMXAMAMXMSASAMMMAMXMAMSMMSMAMXMASMASXMXSMMMAMAMMMMMAMAMXMMMXXMAXXMAMASXXXAAAMAMXAAAXMMMSMMMMXMAXAXX
AMXXSSMMMAMASMMAMXMASMXSSMMXSXMXMMAXAMAMSAMSAMASXMSXMASMXXXXMMMMAMAMAMMMMXMASAMAAAASXMAXXAXMAXMASAMXSAMXXXMASXMMSSMMSAMXMSMXMSXAAXAAMASASXSM
AMSMMAMAMASMXAMAMXMAMAMAXAMAMSAMXMXSSMAMMSMXAXAMMASXMXMAMSMMMSAMASXSXXAAAXMXMAMSMMMMMMMXSASMSXSMAMAMXMMMSSMASAAAMXSAMMSAMXSASXASXMMSMAMMMAAX
SXMASAMAXMXAMSMSMSMSMSAMSSMAMSSSMSMAAMMSAMXSSMSMSAMXXSMMMAAAXSASASXXMSSSSSMMMSMMASAMAMMAMAMAAAMXXXSASXMAMMAASMMMSAMXMAMASAMXMAXMAXSAMASXMSMM
MASMMMSSSMMSMMAMAAAXAMSXAASMXMASAAMSMMAMAMXAMAMAMXMSAMAAXMSMMMAMMXMMXAXXAAASAAAXMSAMASMASMMSMSMASMMAMAMSSMMMSXSAMASXMAMSMMMAMMMMXMSAMMXMAXAA
MAMAAMAMAMAMAMAMXMMMAMMMMMSMAMAMSMXMAMMSSMMXMAMMSMMXASMMMAAMMSASMMSAMMSXSSMMMSMMXSAMASMXMMAXMAMAXAXXMAMMAMAMXXMASAMXMAMMAMMAMAAXMASAMSXSASMS
MSXSMMXXAXASXMXSXXAMXAMXMAMXAMXXAXAXAMMXMASAMAMSAMXSMMASAMXSAAAAXASXSXSMAMXAAAAMXMASMXMAMMMMXAMMSMMSMXXSAMXMSMSAXAXMAMSMAMSMSXSXXXXXSAAMXSAX
AMAMXMSSMSXXMXAXAMXSSMMSMASMMSSSSSMSASAASXMASAMSASXMAXAMAMAMXSSMMXSASAMXMMSMSXSMMAMXASMMMAXSMSSXAASMASAMMMASAMSMXSASMSMXXMAXMAMMMMMMMMSMSMMM
XMAMAMAAMMXMSMMSSMXAAMAMXASAXSAAXAASAMMASAMMMMXSAMXXXMSSSMASAMAXSSMAMXMASAXAAAXASMXMXMASXMSMAMXMSXMASMASAMXXAMXAXAAAXAMSSMMSMAXMMAAAXAAXAAAS
XMASAMMMMAAMAAXAAMMSXMAXMMSAMMMMMSMMAMMMSAMASMAMAMSSSMAAASXMMMAMXMMMMASXSSMAMMMAASAXXSAMXSAMSMSAMXXXXSAMMASMSMMXMMMMSMSAAXAXXSMASMASXXSXSAAS
MXXXMSMSMSSSSSMMSMAMXSAXMXXMAAAXAAXSXMAMMAMASMXSAMAAAMMSMMXSMSMSXMAMSMAAXXMASXMXMSXSXMAMXSXMAMMMMMMMMMMSXAMAMAAMAMAAMMMMSMXSAXXAMXSAXXAAXMAS
SSXSAAASAMAAMXAAMMSSXMASMAAMSSSMSSXMSMAMSAMXSMMMAMMSMMXAMAMXAAAMMXAMAMMMSMSASMAAMSAMMMSAMXMSXXAAAAAXAAAMMSSMMMSASMMXSAMXMAMAMMMSAMXAAMMMXSAM
AAAMMMSMAMMXMMMMSAXMASAAMXMAAAAXAMXAASAMSAMXMXASAMAAASXSMSASMMSMASXSASAAAXMASMSAMXAMAAMAMXMASMSSSSSSMMXSAMSXAXMMMAAASXSAAAXAMXXMASMSMXMSAMXS
MMMMXMAXAMXXMASMMXMXMAMSAMXXMSMMMAMSMSSMSXMSMSXSXSSSSMAXXAMXMXXXMAMMXSMSSSMMMAMXSSXMMSSSMSMASXXXXMAAXAAMXMXMASXXSMMMSXSASASXSXAMSAAAXSXMASMA

39
2024/python/day04.py Normal file
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@ -0,0 +1,39 @@
import matrix
import shared
from collections import Counter
# XMAS = ['X','M','A','S']
XMAS = "XMAS"
# @shared.profile
def part1(mx):
count = 0
for idr, row in enumerate(mx):
for idc, c in enumerate(row):
los = matrix.line_of_sight(mx, idr, idc, distance=4, diagonals=True)
words = list(map("".join, los.values()))
counter = Counter(words)
count += counter[XMAS]
print(count)
# @shared.profile
def part2(rows):
pass
def main():
mx = matrix.load_matrix_file(shared.get_fname(4), str)
with shared.elapsed_timer() as elapsed:
part1(mx)
print("🕒", elapsed())
rows = [row for row in shared.load_rows(4, True)]
with shared.elapsed_timer() as elapsed:
part2(rows)
print("🕒", elapsed())
if __name__ == "__main__":
main()

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@ -186,6 +186,7 @@ def get_neighbor_coords(matrix, c, r, diagonals=True):
pass # okay we out of bounds boizzzz pass # okay we out of bounds boizzzz
return neighbors return neighbors
def get_neighbors_cardinal(matrix, c, r, diagonals=True): def get_neighbors_cardinal(matrix, c, r, diagonals=True):
height = len(matrix) height = len(matrix)
width = len(matrix[0]) width = len(matrix[0])
@ -199,14 +200,17 @@ def get_neighbors_cardinal(matrix, c, r, diagonals=True):
try: try:
value = matrix[r + _r][c + _c] # Try to get a value error value = matrix[r + _r][c + _c] # Try to get a value error
if r + _r >= 0 and c + _c >= 0: if r + _r >= 0 and c + _c >= 0:
neighbors[CARDINALS[coord]] = {"c": c + _c, "r": r + _r, "value":value} # woo, no error, this coord is valid neighbors[CARDINALS[coord]] = {
"c": c + _c,
"r": r + _r,
"value": value,
} # woo, no error, this coord is valid
except IndexError: except IndexError:
pass # okay we out of bounds boizzzz pass # okay we out of bounds boizzzz
return neighbors return neighbors
def line_of_sight_coords_diagonals(
def line_of_sight_coords(
matrix, row, col, distance=None matrix, row, col, distance=None
) -> Dict[str, List[Tuple[int, int]]]: ) -> Dict[str, List[Tuple[int, int]]]:
""" """
@ -221,37 +225,112 @@ def line_of_sight_coords(
col_ids = list(range(0, height)) col_ids = list(range(0, height))
row_ids = list(range(0, width)) row_ids = list(range(0, width))
if distance: directions = {
up_ids, down_ids = ( "UR": [],
list(reversed(col_ids[:col])), "UL": [],
col_ids[col + 1 : col + distance + 1], "DR": [],
) "DL": []
left_ids, right_ids = ( }
list(reversed(row_ids[:row])), ur = False
row_ids[row + 1 : row + distance + 1], ul = False
) dl = False
else: dr = False
up_ids, down_ids = list(reversed(col_ids[:col])), col_ids[col + 1 :]
left_ids, right_ids = list(reversed(row_ids[:row])), row_ids[row + 1 :]
# Boundaries of the grid
max_row, max_col = height, width
# Up-right (decrease row, increase column)
r, c = row, col
while r > 0 and c < max_col - 1:
ur = True
r -= 1
c += 1
directions["UR"].append((r, c))
# Up-left (decrease row, decrease column)
r, c = row, col
while r > 0 and c > 0:
ul = True
r -= 1
c -= 1
directions["UL"].append((r, c))
# Down-right (increase row, increase column)
r, c = row, col
while r < max_row - 1 and c < max_col - 1:
dr = True
r += 1
c += 1
directions["DR"].append((r, c))
# Down-left (increase row, decrease column)
r, c = row, col
while r < max_row - 1 and c > 0:
dl = True
r += 1
c -= 1
directions["DL"].append((r, c))
if distance:
for _dir in ["DL", "UL", "DR", "UR"]:
directions[_dir] = directions[_dir][:distance - 1]
if directions[_dir]:
directions[_dir].insert(0, (row,col))
return directions
def line_of_sight_coords(
matrix, row, col, distance=None, diagonals=False
) -> Dict[str, List[Tuple[int, int]]]:
"""
Takes a matrix, a row, and a column
calculates the coordinates to the edge for all four cardinal directions
returns a dict with a list of tuple coordes TRAVELING AWAY from the
requested coordinate
"""
height, width = get_size(matrix)
col_ids = list(range(0, height))
row_ids = list(range(0, width))
up_ids = list(reversed(col_ids[:col]))
down_ids = col_ids[col + 1 :]
left_ids = list(reversed(row_ids[:row]))
right_ids = row_ids[row + 1 :]
if distance:
left = [(r, col) for r in left_ids[:distance - 1]]
right = [(r, col) for r in right_ids[:distance - 1]]
up = [(row, c) for c in up_ids[:distance - 1]]
down = [(row, c) for c in down_ids[:distance - 1]]
left.insert(0, (row, col))
right.insert(0, (row, col))
down.insert(0, (row, col))
up.insert(0, (row, col))
else:
left = [(r, col) for r in left_ids] left = [(r, col) for r in left_ids]
right = [(r, col) for r in right_ids] right = [(r, col) for r in right_ids]
up = [(row, c) for c in up_ids] up = [(row, c) for c in up_ids]
down = [(row, c) for c in down_ids] down = [(row, c) for c in down_ids]
return { directions = {
"U": up, "U": up,
"L": left, "L": left,
"D": down, "D": down,
"R": right, "R": right,
} }
if diagonals:
vals = line_of_sight_coords_diagonals(matrix, row, col, distance)
directions.update(vals)
return directions
def line_of_sight(mx, row, col, distance=None): def line_of_sight(mx, row, col, distance=None, diagonals=False):
""" """
renders a line of sight coord calculation, into the values renders a line of sight coord calculation, into the values
""" """
coords = line_of_sight_coords(mx, row, col, distance) coords = line_of_sight_coords(mx, row, col, distance, diagonals)
los = defaultdict(list) los = defaultdict(list)
for k, ids in coords.items(): for k, ids in coords.items():
for _row, _col in ids: for _row, _col in ids:

10
2024/samples/day04.txt Normal file
View File

@ -0,0 +1,10 @@
MMMSXXMASM
MSAMXMSMSA
AMXSXMAAMM
MSAMASMSMX
XMASAMXAMM
XXAMMXXAMA
SMSMSASXSS
SAXAMASAAA
MAMMMXMMMM
MXMXAXMASX