Restyled README and file structure

Signed-off-by: Ettore Dreucci <ettore.dreucci@gmail.com>

2015/solutions/day_1.py

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+"""AOC 2015 Day 1"""
+
+import pathlib
+import time
+
+TEST_INPUT = """))((((("""
+
+def read_input(input_path: str) -> str:
+    """take input file path and return a str with the file's content"""
+    with open(input_path, 'r') as input_file:
+        input_data = input_file.read().strip()
+        return input_data
+
+def part1(input_data: str) -> int:
+    """part1 solver take a str and return an int"""
+    return sum(1 if char == '(' else -1 for char in input_data)
+
+def part2(input_data: str) -> int:
+    """part2 solver take a dict of dicts and return an int"""
+    floor = 0
+    for index, char in enumerate(input_data, 1):
+        if char == '(':
+            floor += 1
+        else:
+            floor -=1
+        if floor == -1:
+            return index
+    return -1
+
+def test_input_day_1():
+    """pytest testing function"""
+    assert part1(TEST_INPUT) == 3
+    assert part2(TEST_INPUT) == 1
+
+def test_bench_day_2(benchmark):
+    """pytest-benchmark function"""
+    benchmark(main)
+
+def main():
+    """main function"""
+    input_path = str(pathlib.Path(__file__).resolve().parent.parent) + "/inputs/" + str(pathlib.Path(__file__).stem)
+    start_time = time.time()
+    input_data = read_input(input_path)
+    print("Part 1: %d" % part1(input_data))
+    print("Part 2: %d" % part2(input_data))
+    end_time = time.time()
+    print("Execution time: %f" % (end_time-start_time))
+
+if __name__ == "__main__":
+    main()

2015/solutions/day_2.py

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+"""AOC 2015 Day 2"""
+
+import pathlib
+import time
+
+TEST_INPUT = """2x3x4
+1x1x10"""
+
+def read_input(input_path: str) -> str:
+    """take input file path and return a str with the file's content"""
+    with open(input_path, 'r') as input_file:
+        input_data = input_file.read().strip()
+        return input_data
+
+def extract(input_data: str) -> list:
+    """take input data and return the appropriate data structure"""
+    gifts = list()
+    for gift in input_data.split('\n'):
+        dims = tuple(int(dim) for dim in gift.split('x'))
+        gifts.append(dims)
+    return gifts
+
+def part1(entries: list) -> int:
+    """part1 solver take a list and return an int"""
+    feet = 0
+    for gift in entries:
+        (length, width, height) = gift
+        side1 = length*width
+        side2 = length*height
+        side3 = width*height
+        feet += 2 * (side1 + side2 + side3) + min(side1, side2, side3)
+    return feet
+
+def part2(entries: list) -> int:
+    """part2 solver take a list and return an int"""
+    feet = 0
+    for gift in entries:
+        (length, width, height) = gift
+        mins = list(gift)
+        mins.remove(max(gift))
+        feet += length*width*height + 2*sum(mins)
+    return feet
+
+def test_input_day_2():
+    """pytest testing function"""
+    entries = extract(TEST_INPUT)
+    assert part1(entries) == 101
+    assert part2(entries) == 48
+
+def test_bench_day_2(benchmark):
+    """pytest-benchmark function"""
+    benchmark(main)
+
+def main():
+    """main function"""
+    input_path = str(pathlib.Path(__file__).resolve().parent.parent) + "/inputs/" + str(pathlib.Path(__file__).stem)
+    start_time = time.time()
+    input_data = read_input(input_path)
+    entries = extract(input_data)
+    print("Part 1: %d" % part1(entries))
+    print("Part 2: %d" % part2(entries))
+    end_time = time.time()
+    print("Execution time: %f" % (end_time-start_time))
+
+if __name__ == "__main__":
+    main()

2015/solutions/day_3.py

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+"""AOC 2015 Day 3"""
+
+import pathlib
+import time
+
+TEST_INPUT = """^v^v^v^v^v"""
+
+def read_input(input_path: str) -> str:
+    """take input file path and return a str with the file's content"""
+    with open(input_path, 'r') as input_file:
+        input_data = input_file.read().strip()
+        return input_data
+
+moves = {
+    '^': (0, 1),
+    'v': (0, -1),
+    '>': (1, 0),
+    '<': (-1, 0),
+}
+
+def part1(entries: str) -> int:
+    """part1 solver take a str and return an int"""
+    houses = {(0, 0): 1}
+    pos_x, pos_y = 0, 0
+    for direction in entries:
+        delta_x, delta_y = moves[direction]
+        pos_x += delta_x
+        pos_y += delta_y
+        houses[(pos_x, pos_y)] = houses.get((pos_x, pos_y), 0) + 1
+    return len(houses)
+
+def part2(entries: str) -> int:
+    """part2 solver take a str and return an int"""
+    houses = {(0, 0): 2}
+    pos_x_santa, pos_y_santa = 0, 0
+    pos_x_robot, pos_y_robot = 0, 0
+    for index, direction in enumerate(entries):
+        delta_x, delta_y = moves[direction]
+        if index%2 == 0:
+            pos_x_santa += delta_x
+            pos_y_santa += delta_y
+            houses[(pos_x_santa, pos_y_santa)] = houses.get((pos_x_santa, pos_y_santa), 0) + 1
+        else:
+            pos_x_robot += delta_x
+            pos_y_robot += delta_y
+            houses[(pos_x_robot, pos_y_robot)] = houses.get((pos_x_robot, pos_y_robot), 0) + 1
+    return len(houses)
+
+def test_input_day_3():
+    """pytest testing function"""
+    assert part1(TEST_INPUT) == 2
+    assert part2(TEST_INPUT) == 11
+
+def test_bench_day_3(benchmark):
+    """pytest-benchmark function"""
+    benchmark(main)
+
+def main():
+    """main function"""
+    input_path = str(pathlib.Path(__file__).resolve().parent.parent) + "/inputs/" + str(pathlib.Path(__file__).stem)
+    start_time = time.time()
+    input_data = read_input(input_path)
+    print("Part 1: %d" % part1(input_data))
+    print("Part 2: %d" % part2(input_data))
+    end_time = time.time()
+    print("Execution time: %f" % (end_time-start_time))
+
+if __name__ == "__main__":
+    main()

2015/solutions/day_4.py

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+"""AOC 2015 Day 4"""
+
+import pathlib
+import time
+import hashlib
+
+TEST_INPUT = """abcdef"""
+
+def read_input(input_path: str) -> str:
+    """take input file path and return a str with the file's content"""
+    with open(input_path, 'r') as input_file:
+        input_data = input_file.read().strip()
+        return input_data
+
+def part1(secret: str) -> int:
+    """part1 solver"""
+    number = 1
+    while True:
+        key = secret + str(number)
+        md5 = hashlib.md5(key.encode()).hexdigest()
+        if md5.startswith('00000'):
+            return number
+        number += 1
+
+def part2(secret: str) -> int:
+    """part2 solver"""
+    number = 1
+    while True:
+        key = secret + str(number)
+        md5 = hashlib.md5(key.encode()).hexdigest()
+        if md5.startswith('000000'):
+            return number
+        number += 1
+
+def test_input_day_4():
+    """pytest testing function"""
+    assert part1(TEST_INPUT) == 609043
+    assert part2(TEST_INPUT) == 6742839
+
+def test_bench_day_4(benchmark):
+    """pytest-benchmark function"""
+    benchmark(main)
+
+def main():
+    """main function"""
+    input_path = str(pathlib.Path(__file__).resolve().parent.parent) + "/inputs/" + str(pathlib.Path(__file__).stem)
+    start_time = time.time()
+    input_data = read_input(input_path)
+    print("Part 1: %d" % part1(input_data))
+    print("Part 2: %d" % part2(input_data))
+    end_time = time.time()
+    print("Execution time: %f" % (end_time-start_time))
+
+if __name__ == "__main__":
+    main()

2015/solutions/day_5.py

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+"""AOC 2015 Day 5"""
+
+import pathlib
+import time
+
+TEST_INPUT = """ugknbfddgicrmopn
+aaa
+jchzalrnumimnmhp
+haegwjzuvuyypxyu
+dvszwmarrgswjxmb"""
+
+TEST_INPUT_2 = """qjhvhtzxzqqjkmpb
+xxyxx
+uurcxstgmygtbstg
+ieodomkazucvgmuy"""
+
+def read_input(input_path: str) -> str:
+    """take input file path and return a str with the file's content"""
+    with open(input_path, 'r') as input_file:
+        input_data = input_file.read().strip()
+        return input_data
+
+def extract(input_data: str) -> list:
+    entries = list()
+    for line in input_data.split('\n'):
+        entries.append(line)
+    return entries
+
+def part1(entries: list) -> int:
+    """part1 solver"""
+    nice_strings = 0
+    for string in entries:
+        vowels_count = 0
+        doubles = False
+        forbidden = False
+        for index, char in enumerate(string):
+            if char in 'aeiou':
+                vowels_count += 1
+            if not doubles and index < len(string)-1 and char == string[index+1]:
+                doubles = True
+        for forbidden_substring in ('ab', 'cd', 'pq', 'xy'):
+            if forbidden:
+                break
+            if forbidden_substring in string:
+                forbidden = True
+        if vowels_count >= 3 and doubles and not forbidden:
+            nice_strings += 1
+    return nice_strings
+
+def part2(entries: list) -> int:
+    """part2 solver"""
+    nice_strings = 0
+    for string in entries:
+        if any([string.count(string[i:i+2]) >= 2 for i in range(len(string)-2)]) and any([string[i] == string[i+2] for i in range(len(string)-2)]):
+            nice_strings += 1
+    return nice_strings
+
+
+def test_input_day_5():
+    """pytest testing function"""
+    entries = extract(TEST_INPUT)
+    assert part1(entries) == 2
+    entries = extract(TEST_INPUT_2)
+    assert part2(entries) == 2
+
+def test_bench_day_5(benchmark):
+    """pytest-benchmark function"""
+    benchmark(main)
+
+def main():
+    """main function"""
+    input_path = str(pathlib.Path(__file__).resolve().parent.parent) + "/inputs/" + str(pathlib.Path(__file__).stem)
+    start_time = time.time()
+    input_data = read_input(input_path)
+    entries = extract(input_data)
+    print("Part 1: %d" % part1(entries))
+    print("Part 2: %d" % part2(entries))
+    end_time = time.time()
+    print("Execution time: %f" % (end_time-start_time))
+
+if __name__ == "__main__":
+    main()

2015/solutions/day_6.py

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+"""AOC 2015 Day 6"""
+
+import pathlib
+import time
+import re
+import numpy
+
+TEST_INPUT = """turn on 0,0 through 999,999
+toggle 0,0 through 999,0
+turn off 499,499 through 500,500"""
+
+def read_input(input_path: str) -> str:
+    """take input file path and return a str with the file's content"""
+    with open(input_path, 'r') as input_file:
+        input_data = input_file.read().strip()
+        return input_data
+
+def extract(input_data: str) -> list:
+    entries = list()
+    for line in input_data.split('\n'):
+        instructions = re.match(r"(\D+)(\d+),(\d+)[\D]+(\d+),(\d+)", line).groups()
+        entries.append((instructions[0].strip(), int(instructions[1]), int(instructions[2]), int(instructions[3]), int(instructions[4])))
+    return entries
+
+def part1(entries: list) -> int:
+    """part1 solver"""
+    grid = numpy.zeros((1000, 1000), 'int32')
+    for instruction in entries:
+        cmd, x1, y1, x2, y2 = instruction
+        if cmd == "turn on":
+            grid[x1:x2+1, y1:y2+1] = 1
+        elif cmd == "turn off":
+            grid[x1:x2+1, y1:y2+1] = 0
+        elif cmd == "toggle":
+            grid[x1:x2+1, y1:y2+1] = numpy.logical_not(grid[x1:x2+1, y1:y2+1])
+    return numpy.sum(grid)
+
+def part2(entries: list) -> int:
+    """part2 solver"""
+    grid = numpy.zeros((1000, 1000), 'int32')
+    for instruction in entries:
+        cmd, x1, y1, x2, y2 = instruction
+        if cmd == "turn on":
+            grid[x1:x2+1, y1:y2+1] += 1
+        elif cmd == "turn off":
+            grid[x1:x2+1, y1:y2+1] -= 1
+            grid[grid < 0] = 0
+        elif cmd == "toggle":
+            grid[x1:x2+1, y1:y2+1] += 2
+    return numpy.sum(grid)
+
+def test_input_day_6():
+    """pytest testing function"""
+    entries = extract(TEST_INPUT)
+    assert part1(entries) == 998996
+    assert part2(entries) == 1001996
+
+def test_bench_day_6(benchmark):
+    """pytest-benchmark function"""
+    benchmark(main)
+
+def main():
+    """main function"""
+    input_path = str(pathlib.Path(__file__).resolve().parent.parent) + "/inputs/" + str(pathlib.Path(__file__).stem)
+    start_time = time.time()
+    input_data = read_input(input_path)
+    entries = extract(input_data)
+    print("Part 1: %d" % part1(entries))
+    print("Part 2: %d" % part2(entries))
+    end_time = time.time()
+    print("Execution time: %f" % (end_time-start_time))
+
+if __name__ == "__main__":
+    main()