Sean McLemon | Advent of Code

2022-12-18 - Boiling Boulders

(original .ipynb)

puzzle_input_str = open("./puzzle_input/day18.txt").read()
test_input_str = open("./test_input/day18.txt").read()

def neighbours(x, y, z):
    directions = (
        ( 1,  0,  0),
        (-1,  0,  0),
        ( 0,  1,  0),
        ( 0, -1,  0),
        ( 0,  0,  1),
        ( 0,  0, -1),
    )
    
    for dx, dy, dz in directions:
        yield (x+dx, y+dy, z+dz)


def parse_cube(line):
    return tuple(int(c) for c in line.split(","))

def part_one(input_str):
    all_cubes = [parse_cube(line) for line in input_str.splitlines()]
    total = 0
    
    for x,y,z in all_cubes:
        sides = 6
        for neighbour in neighbours(x, y, z):
            if neighbour in all_cubes:
                sides -= 1
        total += sides
        
    return total
 

# print(part_one("1,1,1\n2,1,1"))
assert 64 == part_one(test_input_str)


print("part one:", part_one(puzzle_input_str))

part one: 4244

def 

def part_two(input_str):
    all_cubes = [parse_cube(line) for line in input_str.splitlines()]
    total = 0
    
    potential_bubbles = set()
    
    for x,y,z in all_cubes:
        for neighbour in neighbours(x, y, z):
            if neighbour not in all_cubes:
                potential_bubbles.add(neighbour)
            
    print(len(potential_bubbles))
        
    bubbles = 0    
    for x,y,z in potential_bubbles:
        is_bubble = True
        for neighbour in neighbours(x, y, z):
            is_bubble = is_bubble and neighbour in all_cubes
                
        if is_bubble:
            bubbles += 1
    
    print(input_str)
    print(len(input_str.splitlines()))
    return 0

# print(part_one("1,1,1\n2,1,1"))
#print(part_one(test_input_str))


print("part two:", part_two(puzzle_input_str))

2004
part two: 0