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164 lines (130 loc) · 6.06 KB
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###############################################################################
# Day x, Task y #
###############################################################################
from __future__ import annotations
from collections import deque
import aoc_util
day = 22
data_str = """on x=-5..47,y=-31..22,z=-19..33
on x=-44..5,y=-27..21,z=-14..35
on x=-49..-1,y=-11..42,z=-10..38
on x=-20..34,y=-40..6,z=-44..1
off x=26..39,y=40..50,z=-2..11
on x=-41..5,y=-41..6,z=-36..8
off x=-43..-33,y=-45..-28,z=7..25
on x=-33..15,y=-32..19,z=-34..11
off x=35..47,y=-46..-34,z=-11..5
on x=-14..36,y=-6..44,z=-16..29
on x=-57795..-6158,y=29564..72030,z=20435..90618
on x=36731..105352,y=-21140..28532,z=16094..90401
on x=30999..107136,y=-53464..15513,z=8553..71215
on x=13528..83982,y=-99403..-27377,z=-24141..23996
on x=-72682..-12347,y=18159..111354,z=7391..80950
on x=-1060..80757,y=-65301..-20884,z=-103788..-16709
on x=-83015..-9461,y=-72160..-8347,z=-81239..-26856
on x=-52752..22273,y=-49450..9096,z=54442..119054
on x=-29982..40483,y=-108474..-28371,z=-24328..38471
on x=-4958..62750,y=40422..118853,z=-7672..65583
on x=55694..108686,y=-43367..46958,z=-26781..48729
on x=-98497..-18186,y=-63569..3412,z=1232..88485
on x=-726..56291,y=-62629..13224,z=18033..85226
on x=-110886..-34664,y=-81338..-8658,z=8914..63723
on x=-55829..24974,y=-16897..54165,z=-121762..-28058
on x=-65152..-11147,y=22489..91432,z=-58782..1780
on x=-120100..-32970,y=-46592..27473,z=-11695..61039
on x=-18631..37533,y=-124565..-50804,z=-35667..28308
on x=-57817..18248,y=49321..117703,z=5745..55881
on x=14781..98692,y=-1341..70827,z=15753..70151
on x=-34419..55919,y=-19626..40991,z=39015..114138
on x=-60785..11593,y=-56135..2999,z=-95368..-26915
on x=-32178..58085,y=17647..101866,z=-91405..-8878
on x=-53655..12091,y=50097..105568,z=-75335..-4862
on x=-111166..-40997,y=-71714..2688,z=5609..50954
on x=-16602..70118,y=-98693..-44401,z=5197..76897
on x=16383..101554,y=4615..83635,z=-44907..18747
off x=-95822..-15171,y=-19987..48940,z=10804..104439
on x=-89813..-14614,y=16069..88491,z=-3297..45228
on x=41075..99376,y=-20427..49978,z=-52012..13762
on x=-21330..50085,y=-17944..62733,z=-112280..-30197
on x=-16478..35915,y=36008..118594,z=-7885..47086
off x=-98156..-27851,y=-49952..43171,z=-99005..-8456
off x=2032..69770,y=-71013..4824,z=7471..94418
on x=43670..120875,y=-42068..12382,z=-24787..38892
off x=37514..111226,y=-45862..25743,z=-16714..54663
off x=25699..97951,y=-30668..59918,z=-15349..69697
off x=-44271..17935,y=-9516..60759,z=49131..112598
on x=-61695..-5813,y=40978..94975,z=8655..80240
off x=-101086..-9439,y=-7088..67543,z=33935..83858
off x=18020..114017,y=-48931..32606,z=21474..89843
off x=-77139..10506,y=-89994..-18797,z=-80..59318
off x=8476..79288,y=-75520..11602,z=-96624..-24783
on x=-47488..-1262,y=24338..100707,z=16292..72967
off x=-84341..13987,y=2429..92914,z=-90671..-1318
off x=-37810..49457,y=-71013..-7894,z=-105357..-13188
off x=-27365..46395,y=31009..98017,z=15428..76570
off x=-70369..-16548,y=22648..78696,z=-1892..86821
on x=-53470..21291,y=-120233..-33476,z=-44150..38147
off x=-93533..-4276,y=-16170..68771,z=-104985..-24507"""
class Cuboid:
def __init__(self, xmin, xmax, ymin, ymax, zmin, zmax):
self.coords: list[int] = [xmin, xmax, ymin, ymax, zmin, zmax]
def __repr__(self):
return repr(self.coords)
def copy(self):
return Cuboid(*self.coords.copy())
def intersects(self, other: Cuboid):
return self.coords[0] <= other.coords[1] and self.coords[1] >= other.coords[0] \
and self.coords[2] <= other.coords[3] and self.coords[3] >= other.coords[2] \
and self.coords[4] <= other.coords[5] and self.coords[5] >= other.coords[4]
def cut_helper(self, other: Cuboid, min_index: int, new_cuboids: deque):
if other.coords[min_index] < self.coords[min_index] <= other.coords[min_index + 1]:
cuboid = other.copy()
cuboid.coords[min_index + 1] = self.coords[min_index] - 1
other.coords[min_index] = self.coords[min_index]
new_cuboids.append(cuboid)
if other.coords[min_index] <= self.coords[min_index + 1] < other.coords[min_index + 1]:
cuboid = other.copy()
cuboid.coords[min_index] = self.coords[min_index + 1] + 1
other.coords[min_index + 1] = self.coords[min_index + 1]
new_cuboids.append(cuboid)
def cut(self, other: Cuboid, new_cuboids: deque):
if self.intersects(other):
other = other.copy()
self.cut_helper(other, 0, new_cuboids)
self.cut_helper(other, 2, new_cuboids)
self.cut_helper(other, 4, new_cuboids)
else:
new_cuboids.append(other)
def volume(self):
return (self.coords[1] - self.coords[0] + 1) \
* (self.coords[3] - self.coords[2] + 1) \
* (self.coords[5] - self.coords[4] + 1)
def task(data_set: list[str]) -> int:
cuboids: deque[Cuboid] = deque()
for r in data_set:
instruction, coords = r.split(" ")
x, y, z = coords.split(",")
xmin, xmax = [int(n) for n in x[2:].split("..")]
ymin, ymax = [int(n) for n in y[2:].split("..")]
zmin, zmax = [int(n) for n in z[2:].split("..")]
cuboid = Cuboid(xmin, xmax, ymin, ymax, zmin, zmax)
if instruction == "on":
cuboid_parts = [cuboid]
for original_cuboid in cuboids:
if original_cuboid.intersects(cuboid):
new_cuboid_parts = deque()
for new_cuboid in cuboid_parts:
original_cuboid.cut(new_cuboid, new_cuboid_parts)
cuboid_parts = new_cuboid_parts
cuboids.extend(cuboid_parts)
else:
new_cuboids = deque()
for original_cuboid in cuboids:
cuboid.cut(original_cuboid, new_cuboids)
cuboids = new_cuboids
cubes = 0
for c in cuboids:
cubes += c.volume()
return cubes
aoc_util.run_with_data_str(task, data_str)
aoc_util.run_with_data_set(task, day)