|
| 1 | +# -------------------------------- Input data ---------------------------------------- # |
| 2 | +importos,grid,graph,dot,assembly,re,itertools,copy,functools |
| 3 | +fromcollectionsimportCounter,deque,defaultdict |
| 4 | + |
| 5 | +fromcompassimport* |
| 6 | + |
| 7 | + |
| 8 | +# This functions come from https://github.com/mcpower/adventofcode - Thanks! |
| 9 | +deflmap(func,*iterables): |
| 10 | +returnlist(map(func,*iterables)) |
| 11 | + |
| 12 | + |
| 13 | +defints(s:str): |
| 14 | +returnlmap(int,re.findall(r"-?\d+",s))# thanks mserrano! |
| 15 | + |
| 16 | + |
| 17 | +defpositive_ints(s:str): |
| 18 | +returnlmap(int,re.findall(r"\d+",s))# thanks mserrano! |
| 19 | + |
| 20 | + |
| 21 | +deffloats(s:str): |
| 22 | +returnlmap(float,re.findall(r"-?\d+(?:\.\d+)?",s)) |
| 23 | + |
| 24 | + |
| 25 | +defpositive_floats(s:str): |
| 26 | +returnlmap(float,re.findall(r"\d+(?:\.\d+)?",s)) |
| 27 | + |
| 28 | + |
| 29 | +defwords(s:str): |
| 30 | +returnre.findall(r"[a-zA-Z]+",s) |
| 31 | + |
| 32 | + |
| 33 | +test_data= {} |
| 34 | + |
| 35 | +test=1 |
| 36 | +test_data[test]= { |
| 37 | +"input":"""..#.#..#####.#.#.#.###.##.....###.##.#..###.####..#####..#....#..#..##..###..######.###...####..#..#####..##..#.#####...##.#.#..#.##..#.#......#.###.######.###.####...#.##.##..#..#..#####.....#.#....###..#.##......#.....#..#..#..##..#...##.######.####.####.#.#...#.......#..#.#.#...####.##.#......#..#...##.#.##..#...##.#.##..###.#......#.#.......#.#.#.####.###.##...#.....####.#..#..#.##.#....##..#.####....##...##..#...#......#.#.......#.......##..####..#...#.#.#...##..#.#..###..#####........#..####......#..# |
| 38 | +
|
| 39 | +#..#. |
| 40 | +#.... |
| 41 | +##..# |
| 42 | +..#.. |
| 43 | +..###""", |
| 44 | +"expected": ["35","Unknown"], |
| 45 | +} |
| 46 | + |
| 47 | +test="real" |
| 48 | +input_file=os.path.join( |
| 49 | +os.path.dirname(__file__), |
| 50 | +"Inputs", |
| 51 | +os.path.basename(__file__).replace(".py",".txt"), |
| 52 | +) |
| 53 | +test_data[test]= { |
| 54 | +"input":open(input_file,"r+").read(), |
| 55 | +"expected": ["5044","18074"], |
| 56 | +} |
| 57 | + |
| 58 | + |
| 59 | +# -------------------------------- Control program execution ------------------------- # |
| 60 | + |
| 61 | +case_to_test="real" |
| 62 | +part_to_test=2 |
| 63 | + |
| 64 | +# -------------------------------- Initialize some variables ------------------------- # |
| 65 | + |
| 66 | +puzzle_input=test_data[case_to_test]["input"] |
| 67 | +puzzle_expected_result=test_data[case_to_test]["expected"][part_to_test-1] |
| 68 | +puzzle_actual_result="Unknown" |
| 69 | + |
| 70 | + |
| 71 | +# -------------------------------- Actual code execution ----------------------------- # |
| 72 | + |
| 73 | +dot.Dot.all_directions=directions_diagonals |
| 74 | +all_directions=directions_diagonals |
| 75 | +dot.Dot.allowed_direction_map= { |
| 76 | +".": {dir:all_directionsfordirinall_directions}, |
| 77 | +"#": {dir:all_directionsfordirinall_directions}, |
| 78 | +} |
| 79 | +dot.Dot.terrain_map= { |
| 80 | +".": [True,False], |
| 81 | +"#": [True,False], |
| 82 | +"X": [True,False], |
| 83 | +} |
| 84 | + |
| 85 | + |
| 86 | +defget_neighbors(self): |
| 87 | +ifself.neighbors_obsolete: |
| 88 | +self.neighbors= {} |
| 89 | +fordirectioninself.allowed_directions: |
| 90 | +if (self+direction)and (self+direction).is_walkable: |
| 91 | +self.neighbors[self+direction]=1 |
| 92 | +else: |
| 93 | +new_dot=self.__class__(self.grid,self.position+direction,".") |
| 94 | +self.grid.dots[self.position+direction]=new_dot |
| 95 | +self.neighbors[self+direction]=1 |
| 96 | + |
| 97 | +self.neighbors_obsolete=False |
| 98 | +returnself.neighbors |
| 99 | + |
| 100 | + |
| 101 | +dot.Dot.get_neighbors=get_neighbors |
| 102 | + |
| 103 | +grid.Grid.all_directions=directions_diagonals |
| 104 | + |
| 105 | +dot.Dot.sort_value=dot.Dot.sorting_map["reading"] |
| 106 | + |
| 107 | +ifpart_to_test==1: |
| 108 | +generations=2 |
| 109 | +else: |
| 110 | +generations=50 |
| 111 | + |
| 112 | + |
| 113 | +algorithm=puzzle_input.split("\n")[0] |
| 114 | + |
| 115 | +image=grid.Grid() |
| 116 | +image.all_directions=directions_diagonals |
| 117 | +image.text_to_dots("\n".join(puzzle_input.split("\n")[2:])) |
| 118 | + |
| 119 | +# print (image.dots_to_text()) |
| 120 | + |
| 121 | +foriinrange(generations+5): |
| 122 | +dots=image.dots.copy() |
| 123 | + [image.dots[x].get_neighbors()forxindots] |
| 124 | + |
| 125 | + |
| 126 | +foriinrange(generations): |
| 127 | +# print ('Generation', i) |
| 128 | +new_image=grid.Grid() |
| 129 | +new_image.dots= { |
| 130 | +x:dot.Dot(new_image,image.dots[x].position,image.dots[x].terrain) |
| 131 | +forxinimage.dots |
| 132 | + } |
| 133 | +new_image.all_directions=directions_diagonals |
| 134 | + |
| 135 | +forxinimage.dots.copy(): |
| 136 | +neighbors= [neighborforneighborinimage.dots[x].get_neighbors()]+ [ |
| 137 | +image.dots[x] |
| 138 | + ] |
| 139 | +text="".join([neighbor.terrainforneighborinsorted(neighbors)]) |
| 140 | +binary=int(text.replace(".","0").replace("#","1"),2) |
| 141 | +new_image.dots[x].set_terrain(algorithm[binary]) |
| 142 | +# print (new_image.dots_to_text()) |
| 143 | + |
| 144 | +# Empty borders so they're not counted later |
| 145 | +# They use surrounding data (out of image) that default to . and this messes up the rest |
| 146 | +# This is done only for odd generations because that's enough (all non-borders get blanked out due to the "." at the end of the algorithm) |
| 147 | +ifi%2==1: |
| 148 | +borders,_=new_image.get_borders() |
| 149 | +borders=functools.reduce(lambdaa,b:a+b,borders) |
| 150 | + [dot.set_terrain(".")fordotinborders] |
| 151 | + |
| 152 | +image.dots= { |
| 153 | +x:dot.Dot(image,new_image.dots[x].position,new_image.dots[x].terrain) |
| 154 | +forxinnew_image.dots |
| 155 | + } |
| 156 | + |
| 157 | +# print ('Lit dots', sum([1 for dot in image.dots if image.dots[dot].terrain == '#'])) |
| 158 | + |
| 159 | +# Remove the borders that were added (they shouldn't count because they take into account elements outside the image) |
| 160 | +borders,_=image.get_borders() |
| 161 | +borders=functools.reduce(lambdaa,b:a+b,borders) |
| 162 | +image.dots= { |
| 163 | +dot:image.dots[dot]fordotinimage.dotsifimage.dots[dot]notinborders |
| 164 | +} |
| 165 | + |
| 166 | +puzzle_actual_result=sum([1fordotinimage.dotsifimage.dots[dot].terrain=="#"]) |
| 167 | + |
| 168 | + |
| 169 | +# -------------------------------- Outputs / results --------------------------------- # |
| 170 | + |
| 171 | +print("Case :",case_to_test,"- Part",part_to_test) |
| 172 | +print("Expected result : "+str(puzzle_expected_result)) |
| 173 | +print("Actual result : "+str(puzzle_actual_result)) |
| 174 | +# Date created: 2021-12-20 08:30:35.363096 |
| 175 | +# Part 1: 2021-12-20 10:19:36 |
| 176 | +# Part 2: 2021-12-20 10:35:25 |