コード例 #1
0
import advent_utils


def puzzle_1(input_numbers):
    answers = set()
    for x in range(0, len(input_numbers)):
        for y in range(0, len(input_numbers)):
            if x != y and (input_numbers[x] + input_numbers[y] == 2020):
                answers.add(input_numbers[x] * input_numbers[y])

    print(answers)


def puzzle_2(input_numbers):
    answers = set()
    for x in range(0, len(input_numbers)):
        for y in range(0, len(input_numbers)):
            for z in range(0, len(input_numbers)):
                if x != y and x != z and (input_numbers[x] + input_numbers[y] + input_numbers[z] == 2020):
                    answers.add(input_numbers[x] * input_numbers[y] * input_numbers[z])

    print(answers)


if __name__ == '__main__':
    input_data = advent_utils.load_input_from_file('inputs/input_01.txt')
    input_numbers = sorted([int(line) for line in input_data])

    puzzle_1(input_numbers)
    puzzle_2(input_numbers)
コード例 #2
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ファイル: day_03.py プロジェクト: ffarfan/advent_of_code_2020
def puzzle_2(the_map):
    r1_d1 = puzzle_1(the_map, 1, 1)
    r3_d1 = puzzle_1(the_map, 3, 1)
    r5_d1 = puzzle_1(the_map, 5, 1)
    r7_d1 = puzzle_1(the_map, 7, 1)
    r1_d2 = puzzle_1(the_map, 1, 2)

    print(r1_d1 * r3_d1 * r5_d1 * r7_d1 * r1_d2)


def move_right(curr_x, end_x, right_increment):
    if curr_x + right_increment > end_x:
        steps = (curr_x + right_increment) - end_x
        return steps

    return curr_x + right_increment


def move_down(curr_y, down_increment):
    return curr_y + down_increment


if __name__ == '__main__':
    the_map = advent_utils.load_input_from_file('inputs/input_03.txt')
    # the_map = advent_utils.load_input_from_file('inputs/test_03.txt')

    print(puzzle_1(the_map, right_increment=3, down_increment=1))

    puzzle_2(the_map)
コード例 #3
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ファイル: day_17.py プロジェクト: ffarfan/advent_of_code_2020
            for dz in (-1, 0, 1):
                if dx == dy == dz == 0:
                    continue
                if grid.get((x + dx, y + dy, z + dz), False):
                    neighbors += 1

    return neighbors


def count_active_neighbors_4d(grid, x, y, z, w):
    neighbors = 0

    for dx in (-1, 0, 1):
        for dy in (-1, 0, 1):
            for dz in (-1, 0, 1):
                for dw in (-1, 0, 1):
                    if dx == dy == dz == dw == 0:
                        continue
                    if grid.get((x + dx, y + dy, z + dz, w + dw), False):
                        neighbors += 1

    return neighbors


if __name__ == '__main__':
    # input_data = advent_utils.load_input_from_file('inputs/input_17.txt')
    input_data = advent_utils.load_input_from_file('inputs/test_17.txt')

    print('puzzle_1: {s}'.format(s=puzzle_1(input_data)))
    print('puzzle_2: {s}'.format(s=puzzle_2(input_data)))
コード例 #4
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ファイル: day_11.py プロジェクト: ffarfan/advent_of_code_2020

def get_occupied_neighbors(floor_map, x, y):
    neighbors = set()
    for xx in range(x - 1, x + 2):
        for yy in range(y - 1, y + 2):
            if 0 <= xx < len(floor_map) and 0 <= yy < len(
                    floor_map[0]) and (xx != x or yy != y):
                neighbors.add(tuple([xx, yy]))

    occupied_neighbors = 0
    for x, y in neighbors:
        if floor_map[x][y] == '#':
            occupied_neighbors += 1
    return occupied_neighbors


def flatten(floor_map):
    return ''.join(''.join(row) for row in floor_map)


if __name__ == '__main__':
    # input_data = [list(line) for line in advent_utils.load_input_from_file('inputs/input_11.txt')]
    input_data = [
        list(line)
        for line in advent_utils.load_input_from_file('inputs/test_11.txt')
    ]

    print('puzzle_1: {s}'.format(s=puzzle_1(input_data)))
    print('puzzle_2: {s}'.format(s=puzzle_2(input_data)))
コード例 #5
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ファイル: day_12.py プロジェクト: ffarfan/advent_of_code_2020
def rotate_waypoint(waypoint, move_instr, magnitude):
    turns = int(magnitude / 90)
    wpx, wpy = waypoint

    for turn in range(turns):
        if move_instr == 'L':  # Turn Left
            new_wpx, new_wpy = -wpy, wpx
        elif move_instr == 'R':  # Turn Right
            new_wpx, new_wpy = wpy, -wpx

        wpx, wpy = new_wpx, new_wpy

    return (wpx, wpy)


def move_2(coords, waypoint, magnitude):
    return ((coords[0] + waypoint[0] * magnitude),
            (coords[1] + waypoint[1] * magnitude))


if __name__ == '__main__':
    input_data = [
        (x[0], int(x[1:]))
        for x in advent_utils.load_input_from_file('inputs/input_12.txt')
    ]
    # input_data = [(x[0], int(x[1:])) for x in advent_utils.load_input_from_file('inputs/test_12.txt')]

    print('puzzle_1: {s}'.format(s=puzzle_1(input_data)))
    print('puzzle_2: {s}'.format(s=puzzle_2(input_data)))
コード例 #6
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ファイル: day_10.py プロジェクト: ffarfan/advent_of_code_2020
        if adapter - current_joltage == 1:
            jump_1 += 1
            current_joltage = adapter
        elif adapter - current_joltage == 3:
            jump_3 += 1
            current_joltage = adapter

    return jump_1 * (jump_3 + 1)


def puzzle_2(input_data):
    input_data = [0] + input_data + [input_data[-1] + 3]

    path = [1]
    for i in range(1, len(input_data)):
        answer = 0
        for j in range(i):
            if input_data[j] + 3 >= input_data[i]:
                answer += path[j]
        path.append(answer)

    return path[-1]


if __name__ == '__main__':
    # input_data = sorted([int(line) for line in advent_utils.load_input_from_file('inputs/input_10.txt')])
    input_data = sorted([int(line) for line in advent_utils.load_input_from_file('inputs/test_10_1.txt')])

    print('puzzle_1: {s}'.format(s=puzzle_1(input_data)))
    print('puzzle_2: {s}'.format(s=puzzle_2(input_data)))