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PiratmacPiratmac
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Added days 2016-13 to 2016-18 and modified pathfinding library
1 parent 54cdb62 commit 4c952ed

7 files changed

+522
-65
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‎2016/13-A Maze of Twisty Little Cubicles.py

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# -------------------------------- Input data -------------------------------- #
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import os, pathfinding
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test_data = {}
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test = 1
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test_data[test] = {"input": (10, (7, 4)),
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"expected": ['11', 'Unknown'],
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}
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test += 1
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test_data[test] = {"input": """""",
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"expected": ['Unknown', 'Unknown'],
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}
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test = 'real'
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test_data[test] = {"input": (1352, (31, 39)),
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"expected": ['90', '135'],
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}
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# -------------------------------- Control program execution -------------------------------- #
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case_to_test = 'real'
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part_to_test = 2
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verbose_level = 1
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# -------------------------------- Initialize some variables -------------------------------- #
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puzzle_input = test_data[case_to_test]['input']
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puzzle_expected_result = test_data[case_to_test]['expected'][part_to_test-1]
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puzzle_actual_result = 'Unknown'
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# -------------------------------- Actual code execution -------------------------------- #
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# Grid generation
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grid = ''
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for y in range (50):
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for x in range (50):
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val = x*x + 3*x + 2*x*y + y + y*y + puzzle_input[0]
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bits = "{0:b}".format(val).count('1')
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if bits % 2 == 0:
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grid += '.'
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else:
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grid += '#'
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grid += '\n'
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graph = pathfinding.WeightedGraph()
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graph.grid_to_vertices(grid)
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if part_to_test == 1:
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graph.a_star_search((1, 1), puzzle_input[1])
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puzzle_actual_result = len(graph.path(puzzle_input[1]))-1
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else:
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graph.dijkstra((1, 1), puzzle_input[1])
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puzzle_actual_result = len([x for x in graph.distance_from_start if graph.distance_from_start[x] <= 50])
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# -------------------------------- Outputs / results -------------------------------- #
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if verbose_level >= 3:
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print ('Input : ' + puzzle_input)
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print ('Expected result : ' + str(puzzle_expected_result))
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print ('Actual result : ' + str(puzzle_actual_result))
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‎2016/14-One-Time Pad.py

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# -------------------------------- Input data -------------------------------- #
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import os, hashlib
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test_data = {}
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test = 1
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test_data[test] = {"input": """abc""",
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"expected": ['22728', '22551'],
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}
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test += 1
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test_data[test] = {"input": """""",
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"expected": ['Unknown', 'Unknown'],
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}
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test = 'real'
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test_data[test] = {"input": 'qzyelonm',
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"expected": ['15168', '20864'],
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}
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# -------------------------------- Control program execution -------------------------------- #
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case_to_test = 'real'
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part_to_test = 2
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verbose_level = 1
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# -------------------------------- Initialize some variables -------------------------------- #
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puzzle_input = test_data[case_to_test]['input']
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puzzle_expected_result = test_data[case_to_test]['expected'][part_to_test-1]
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puzzle_actual_result = 'Unknown'
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# -------------------------------- Actual code execution -------------------------------- #
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if part_to_test == 1:
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index = 0
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found_keys = 0
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while True:
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index += 1
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init_hash = hashlib.md5((puzzle_input + str(index)).encode('utf-8')).hexdigest()
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triplets = [x for x in '0123456789abcdef' if x*3 in init_hash]
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if triplets:
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first_triplet_position = min ([init_hash.find(x*3) for x in triplets])
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triplet = init_hash[first_triplet_position]
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for i in range (1, 1000):
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new_hash = hashlib.md5((puzzle_input + str(index + i)).encode('utf-8')).hexdigest()
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if triplet * 5 in new_hash:
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found_keys += 1
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print (init_hash, triplet, index, index + i, found_keys)
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break
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if found_keys == 64:
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puzzle_actual_result = index
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break
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else:
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hashes = []
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hashes_first_triplet = {}
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hashes_quintuplets = {}
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index = -1
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found_keys = 0
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for i in range (30000):
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hash_text = puzzle_input + str(i)
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for y in range (2017):
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hash_text = hashlib.md5(hash_text.encode('utf-8')).hexdigest()
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hashes.append(hash_text)
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triplets = [x for x in '0123456789abcdef' if x*3 in hash_text]
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if triplets:
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first_triplet_position = min ([hash_text.find(x*3) for x in triplets])
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hashes_first_triplet[i] = hash_text[first_triplet_position]
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quintuplets = [x for x in '0123456789abcdef' if x*5 in hash_text]
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if quintuplets:
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hashes_quintuplets[i] = quintuplets
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if i % 100 == 0:
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print ('calculated', i)
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print ('Calculated hashes')
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print (hashes_first_triplet)
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print (hashes_quintuplets)
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for index, triplet in hashes_first_triplet.items():
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for i in range (1, 1000):
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if index + i in hashes_quintuplets:
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if triplet in hashes_quintuplets[index + i]:
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found_keys += 1
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print (hashes[index], triplet, index, index + i, found_keys)
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break
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if found_keys == 64:
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puzzle_actual_result = index
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break
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# -------------------------------- Outputs / results -------------------------------- #
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if verbose_level >= 3:
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print ('Input : ' + puzzle_input)
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print ('Expected result : ' + str(puzzle_expected_result))
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print ('Actual result : ' + str(puzzle_actual_result))
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‎2016/15-Timing is Everything.py

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# -------------------------------- Input data -------------------------------- #
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import os
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test_data = {}
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test = 1
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test_data[test] = {"input": """Disc #1 has 5 positions; at time=0, it is at position 4.
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Disc #2 has 2 positions; at time=0, it is at position 1.""",
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"expected": ['5', 'Unknown'],
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}
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test += 1
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test_data[test] = {"input": """""",
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"expected": ['Unknown', 'Unknown'],
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}
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test = 'real'
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input_file = os.path.join(os.path.dirname(__file__), 'Inputs', os.path.basename(__file__).replace('.py', '.txt'))
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test_data[test] = {"input": open(input_file, "r+").read().strip(),
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"expected": ['16824', '3543984'],
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}
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# -------------------------------- Control program execution -------------------------------- #
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case_to_test = 'real'
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part_to_test = 2
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verbose_level = 1
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# -------------------------------- Initialize some variables -------------------------------- #
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puzzle_input = test_data[case_to_test]['input']
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puzzle_expected_result = test_data[case_to_test]['expected'][part_to_test-1]
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puzzle_actual_result = 'Unknown'
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# -------------------------------- Actual code execution -------------------------------- #
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disks = []
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for string in puzzle_input.split('\n'):
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_, disk, _, total_pos, _, _, _, _, _, _, _, start_position = string.split(' ')
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disks.append((int(disk[1:]), int(total_pos), int(start_position[:-1])))
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if part_to_test == 2:
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disks.append((len(disks)+1, 11, 0))
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print (disks)
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time = 0
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while True:
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disk_ok = 0
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for disk in disks:
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disk_nr, total, start = disk
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if (time + disk_nr + start) % total == 0:
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disk_ok += 1
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if disk_ok == len(disks):
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puzzle_actual_result = time
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break
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time += 1
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# -------------------------------- Outputs / results -------------------------------- #
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if verbose_level >= 3:
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print ('Input : ' + puzzle_input)
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print ('Expected result : ' + str(puzzle_expected_result))
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print ('Actual result : ' + str(puzzle_actual_result))
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‎2016/16-Dragon Checksum.py

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# -------------------------------- Input data -------------------------------- #
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import os
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test_data = {}
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test = 1
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test_data[test] = {"input": ('110010110100', 12),
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"expected": '100',
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}
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test += 1
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test_data[test] = {"input": ('10000', 20),
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"expected": '01100',
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}
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test = 'real'
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test_data[test] = {"input": ('10001110011110000', 272),
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"expected": '10010101010011101',
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}
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test = 'real2'
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test_data[test] = {"input": ('10001110011110000', 35651584),
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"expected": '01100111101101111',
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}
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# -------------------------------- Control program execution -------------------------------- #
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case_to_test = 'real2'
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verbose_level = 1
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# -------------------------------- Initialize some variables -------------------------------- #
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puzzle_input = test_data[case_to_test]['input']
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puzzle_expected_result = test_data[case_to_test]['expected']
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puzzle_actual_result = 'Unknown'
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# -------------------------------- Actual code execution -------------------------------- #
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disk_contents = puzzle_input[0]
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while len(disk_contents) < puzzle_input[1]:
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disk_contents += '0' + disk_contents[::-1].replace('1', 'a').replace('0', '1').replace('a', '0')
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disk_contents = disk_contents[:puzzle_input[1]]
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new_checksum = disk_contents
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while len(new_checksum) % 2 == 0:
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old_checksum = new_checksum
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new_checksum = ''
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for i in range (len(old_checksum) // 2):
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if old_checksum[i*2] == old_checksum[i*2+1]:
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new_checksum += '1'
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else:
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new_checksum += '0'
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puzzle_actual_result = new_checksum
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# -------------------------------- Outputs / results -------------------------------- #
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if verbose_level >= 3:
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print ('Input : ' + puzzle_input)
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print ('Expected result : ' + str(puzzle_expected_result))
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print ('Actual result : ' + str(puzzle_actual_result))
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