diff options
Diffstat (limited to '2020/day3')
| -rw-r--r-- | 2020/day3/README.md | 11 | ||||
| -rw-r--r-- | 2020/day3/input | 323 | ||||
| -rw-r--r-- | 2020/day3/toboggan.pl | 30 | ||||
| -rw-r--r-- | 2020/day3/toboggans.pl | 40 |
4 files changed, 404 insertions, 0 deletions
diff --git a/2020/day3/README.md b/2020/day3/README.md new file mode 100644 index 0000000..75737af --- /dev/null +++ b/2020/day3/README.md | |||
| @@ -0,0 +1,11 @@ | |||
| 1 | # day 3 | ||
| 2 | |||
| 3 | ## first part | ||
| 4 | |||
| 5 | 32 places per row, right 3 and down 1 is | ||
| 6 | |||
| 7 | ``` | ||
| 8 | idx = (idx + 3) % 32 | ||
| 9 | ``` | ||
| 10 | |||
| 11 | per line but this will _probably_ change for the part 2. | ||
diff --git a/2020/day3/input b/2020/day3/input new file mode 100644 index 0000000..831458f --- /dev/null +++ b/2020/day3/input | |||
| @@ -0,0 +1,323 @@ | |||
| 1 | .....#.........#...#..##....#.. | ||
| 2 | .#........#...#........#....... | ||
| 3 | ......#......#..#...#....#.#..# | ||
| 4 | ...#.#####.#.......##.#........ | ||
| 5 | ...........#......#..#.....#... | ||
| 6 | #.#..#...#.#...#.##.....#.....# | ||
| 7 | ....#..#....#...#.#...#.##..... | ||
| 8 | ##...#..........##..######..... | ||
| 9 | .....#...#......#.............# | ||
| 10 | ........##....#...##..#....#... | ||
| 11 | ...#...#.........#.#..........# | ||
| 12 | ..#.#.....##..........#........ | ||
| 13 | ##.......................#..... | ||
| 14 | #..#...##...##.#.........##.... | ||
| 15 | .#....#.#####....#...#...#..... | ||
| 16 | #......#......###..#........#.# | ||
| 17 | .#....##..##.###.#.......#..... | ||
| 18 | .#..#.........##....#.#....#... | ||
| 19 | ........#..................#... | ||
| 20 | .......#..#..#............#.... | ||
| 21 | ........#...................##. | ||
| 22 | .#......#......#.####......#... | ||
| 23 | ..###.#..#..#.........#........ | ||
| 24 | ..#...........###..#.....#.##.. | ||
| 25 | ...#.##.#....#................# | ||
| 26 | #.....#.............#.#........ | ||
| 27 | .#..............#.........#.... | ||
| 28 | ##.................#..........# | ||
| 29 | .#..#....#.###....##..#..#...#. | ||
| 30 | ##........#......##.....#....## | ||
| 31 | #......#..#........#......#.#.. | ||
| 32 | ....#.##.#.............#...##.. | ||
| 33 | .#...#...#..#............##...# | ||
| 34 | .#..#...#..#..#....##..#.#.#... | ||
| 35 | #....#...##.#.#......#........# | ||
| 36 | #..#..#...#.#.....#..##.#...... | ||
| 37 | .....#..#.#..#.##.......#..###. | ||
| 38 | #......#......#...#............ | ||
| 39 | .....#......#......#..#.##..#.# | ||
| 40 | ......#..##..#.....#....#...... | ||
| 41 | ..#..#...#..#...#....###.#.#... | ||
| 42 | .................#..#.......... | ||
| 43 | ......#...##..#.....#...##..... | ||
| 44 | ..#...............#...#.#.....# | ||
| 45 | .#....#.##.##..#.........##.... | ||
| 46 | ...###....##...#......#......## | ||
| 47 | ....#...#.....#.........#..##.. | ||
| 48 | ..###.........#..#..#...#...... | ||
| 49 | ...##.....#.........#.......#.. | ||
| 50 | .....#.................#.#..... | ||
| 51 | .#.###.#..#...#..##....#....##. | ||
| 52 | ....#.....##.........#.#....... | ||
| 53 | .#.#....#..#................#.. | ||
| 54 | ..#.#......#......#........#... | ||
| 55 | #........#....#..#..#..#....#.# | ||
| 56 | #...........##..#....#..####... | ||
| 57 | .....#.......#.#...#.#....###.. | ||
| 58 | .......#....#.......#.......... | ||
| 59 | .............#.....#........... | ||
| 60 | #....#......#...#..##.#........ | ||
| 61 | ....#.......#.#.......#....###. | ||
| 62 | .####.#...........#.#.#...#.#.. | ||
| 63 | #..##....##.#......#........... | ||
| 64 | ...##...#.#.....#.....#........ | ||
| 65 | ...#.............#.....#...#... | ||
| 66 | ...#.....#..#.....##...###..#.# | ||
| 67 | ....##..#..##..#..#...#.....#.. | ||
| 68 | ........#...................##. | ||
| 69 | ....#.......#.....#.......#.... | ||
| 70 | ....##.........#.#............. | ||
| 71 | ......#..#........#.#...#...... | ||
| 72 | .#..#...#...........#......#..# | ||
| 73 | .#....#.#........#............# | ||
| 74 | ......#...................#...# | ||
| 75 | ##...#.......................#. | ||
| 76 | ........###.......#.......#..#. | ||
| 77 | ...........##.............#.... | ||
| 78 | ..##...#.....#....#......#....# | ||
| 79 | ................###...##...#.#. | ||
| 80 | ..#.#.....#....##...#..##...... | ||
| 81 | .....................#.#......# | ||
| 82 | .......#....##.#..#........##.. | ||
| 83 | .##....#......#....#.........#. | ||
| 84 | #............#.........#..#.#.. | ||
| 85 | ....#...........#..#....#....## | ||
| 86 | .......#..#.....##.........#... | ||
| 87 | .##..........#.#.#....#..#..... | ||
| 88 | ........#....##.##.#......#.... | ||
| 89 | ....##..##......##.....#.###... | ||
| 90 | ......##.#....##.#.#....#...... | ||
| 91 | ..#..#..........#.....##.....## | ||
| 92 | #........#.##...#.#....#....### | ||
| 93 | ........##............#........ | ||
| 94 | ##.##..##.#..#...##............ | ||
| 95 | ....#..#....#...........#....#. | ||
| 96 | ..#.......#.#.......#...#...... | ||
| 97 | .#..........##.....#..#...#...# | ||
| 98 | .................##.#...#...##. | ||
| 99 | ##.............#......#....#... | ||
| 100 | ..........#.#....#............. | ||
| 101 | ...##..#.#.....#.....#.#....... | ||
| 102 | ...##...##.#......#.#...#...... | ||
| 103 | ..#..#.....##..##..........##.. | ||
| 104 | ......##........##.......#....# | ||
| 105 | ....#..####..#...##........#... | ||
| 106 | #.......#....#.......##.......# | ||
| 107 | ........#..........#.........#. | ||
| 108 | .....#....#.........#.#.#.....# | ||
| 109 | ..##.....#....#....#..#......#. | ||
| 110 | ....#..#.##...#..#.....#......# | ||
| 111 | ........###.........#..###...#. | ||
| 112 | .....#.......#.....#.#.#....... | ||
| 113 | ...##.....#....##.....#.#.#...# | ||
| 114 | #.##....#.##.....#.#.#........# | ||
| 115 | .##..#.......#...#.#.......#... | ||
| 116 | .#..........#.............#.... | ||
| 117 | .#...#...#......#..##.......... | ||
| 118 | .......................#.#....# | ||
| 119 | ............###....#..##.#..#.. | ||
| 120 | ...#.#......##....#..#......... | ||
| 121 | ..#...#....#....#.#............ | ||
| 122 | ..#.#..###...............##.... | ||
| 123 | .....##...#.....#........#..#.# | ||
| 124 | ...........#......#..#...#.##.# | ||
| 125 | #...##......##...#..#...#..#... | ||
| 126 | ..##....#............#......#.# | ||
| 127 | .#.#..#...#...#.#...#...##..##. | ||
| 128 | ..#.#....#.......#.#.#.#.#.##.. | ||
| 129 | ....###.##..#...##....#........ | ||
| 130 | .#...............#........#.... | ||
| 131 | ...#..#........##...#.##....... | ||
| 132 | ........#..#..#......##........ | ||
| 133 | ##....#....#............#...... | ||
| 134 | #....#...#.###.#.###.......#... | ||
| 135 | ...#.###.##....#.........#...## | ||
| 136 | ..#......##.#.....#..#.......#. | ||
| 137 | ##.............#..#..##....#.#. | ||
| 138 | #...#...##........#.#.......#.. | ||
| 139 | ........#..#.....#.#..#..#.#... | ||
| 140 | #..##.........#.#.#.##...#....# | ||
| 141 | ............#...#....#..#....#. | ||
| 142 | .....#.......#......##..#...... | ||
| 143 | .#.....................#......# | ||
| 144 | ...................#....#.#.... | ||
| 145 | .....#....#.....##............. | ||
| 146 | #....##.#....##..#....##....#.. | ||
| 147 | ....#..........#..........#.... | ||
| 148 | .....#.#...............#..##... | ||
| 149 | ...#......###.......#..##...... | ||
| 150 | #.#.#....##..#......#.##.#..... | ||
| 151 | .#...###..#.....##.........#.#. | ||
| 152 | ..#...#.............#....#..... | ||
| 153 | #..#.............#.....#.....#. | ||
| 154 | .#.........#.#...#..#....#...#. | ||
| 155 | #....#......#....#.#..........# | ||
| 156 | .........................#..... | ||
| 157 | ...................#........... | ||
| 158 | #.#...#......#....#............ | ||
| 159 | .#..#........#...##....#....#.. | ||
| 160 | ..#......#..#..........##...... | ||
| 161 | #.#....#....##....#.........#.. | ||
| 162 | ...#.#.#.#..#....##..#....#..#. | ||
| 163 | ..#..............#.....##...... | ||
| 164 | ....#.........#...#.....#..#... | ||
| 165 | ..#..................#.#....... | ||
| 166 | .....##.##........#.#....#..### | ||
| 167 | ..#.#...#.....#..##..##.#.#.#.. | ||
| 168 | .....#......#............#..... | ||
| 169 | .#.......#....##............... | ||
| 170 | ...#.................#.....#... | ||
| 171 | ...#.#..#.#...##........#....## | ||
| 172 | ..........##................... | ||
| 173 | #........#..........#.#........ | ||
| 174 | ................#..##.##.#....# | ||
| 175 | ....##..#.#.#...#...#....#.#.#. | ||
| 176 | ..#.........#......##....#..... | ||
| 177 | .##.........#.....#.#.......... | ||
| 178 | ...##...###...........#......## | ||
| 179 | ..#........#......#.....##.#... | ||
| 180 | ###.....#.#.#...#.......#....#. | ||
| 181 | ..##...#....###..##.#.#..##.... | ||
| 182 | ..###...##.......#.#..#....#..# | ||
| 183 | ..#...............###....#..#.. | ||
| 184 | ...........#....#.##..#........ | ||
| 185 | .#...#..#.#...##..#....#...#..# | ||
| 186 | ..#............#......#.....#.. | ||
| 187 | .#...#...#.#...#.#............. | ||
| 188 | ...####.........#....##....#.#. | ||
| 189 | .....##...#........#.#......#.. | ||
| 190 | ...####...#.#..#.#.#.#......... | ||
| 191 | ........#.##.#..#.......#...... | ||
| 192 | ......##......#.........#.#.... | ||
| 193 | ..#.#...#....#.....###.....##.. | ||
| 194 | #.#.##..........#...##..#..#.#. | ||
| 195 | .....#................#.#..#..# | ||
| 196 | .........#........#.....#..#..# | ||
| 197 | ......#...........#...........# | ||
| 198 | ..#........#.#.........#...##.. | ||
| 199 | .....####.....#....##.#........ | ||
| 200 | ....#...#........#.......#...#. | ||
| 201 | ...#..#....#.....##....###..... | ||
| 202 | ........#..#..#.#.#............ | ||
| 203 | #..#......#..#....#....#.#.#..# | ||
| 204 | .........#...#......##......... | ||
| 205 | ..#....#............#..#.....#. | ||
| 206 | #............#.#...#......#...# | ||
| 207 | ..#..##...#........#.........## | ||
| 208 | .#...#....##...#.......#..##... | ||
| 209 | #..#.##......#........##...#... | ||
| 210 | ...#..........#...#..#..#....#. | ||
| 211 | ##..#........##..##...#..###.#. | ||
| 212 | ............##...............#. | ||
| 213 | #......#...#....#.........#...# | ||
| 214 | ................#..#.#......... | ||
| 215 | .....#...#...#...##.......#...# | ||
| 216 | ..##.###...#...#.#..##.#.#...#. | ||
| 217 | #...##..........#....##.#.#.#.. | ||
| 218 | .#.........#..........#........ | ||
| 219 | .......#.#...............#..... | ||
| 220 | ...#...#............#.......... | ||
| 221 | .........#..#..........#....... | ||
| 222 | .........#..#...#....#.##....#. | ||
| 223 | ..#............#......#....#.## | ||
| 224 | ...#...#.#........#......#..#.# | ||
| 225 | ........#......##...##...#..#.# | ||
| 226 | .......###......#............#. | ||
| 227 | #.....#...##.#.#...#.......#.#. | ||
| 228 | ..#......#..............##....# | ||
| 229 | ..#............##.......#.#.#.# | ||
| 230 | ...#.#.....#.#.#........####... | ||
| 231 | ...#................#.......... | ||
| 232 | ..#...#....#....#......#..#...# | ||
| 233 | .###......#..............#.#..# | ||
| 234 | ......#......#..........##..#.. | ||
| 235 | ...##.#...........#.#.....##.#. | ||
| 236 | .#...#......#..........#....... | ||
| 237 | ....#...#....#..........#.#.... | ||
| 238 | ..................##..#.....#.# | ||
| 239 | ###.................#......##.. | ||
| 240 | .....#.....#............#.#..#. | ||
| 241 | .....#........#...#....#.#..... | ||
| 242 | #.#...#........................ | ||
| 243 | .#...#.......#..#.......#...... | ||
| 244 | .......#.#.....###.#...#.#..... | ||
| 245 | #...#.#...........##...#....... | ||
| 246 | .#.......#.....#..#..#....#.... | ||
| 247 | ...#..##.....#..#..#.....#..... | ||
| 248 | ...#................###......#. | ||
| 249 | #..#...##.###..#..##.......#... | ||
| 250 | .#.#.#........#.#.............# | ||
| 251 | #.......#..#.......#.....##...# | ||
| 252 | .#.#.#............#..#....#.#.. | ||
| 253 | ...#.#.##.#......##.....#....## | ||
| 254 | #............###...#....#...... | ||
| 255 | .....#..#..#.#.........##.#.... | ||
| 256 | .#.##........#.#.#...#.......#. | ||
| 257 | ..###..#..#.#...#.##...###..... | ||
| 258 | #............#.............#... | ||
| 259 | .#.##.....#..#.......#...#...#. | ||
| 260 | .#...#........###...####....... | ||
| 261 | .#.#..##..#.....#.#..#......... | ||
| 262 | ....#.#.#............##..#...#. | ||
| 263 | ###.##......#.#.....#.....#.... | ||
| 264 | .........#...##.....##....#.... | ||
| 265 | ..#................#.........#. | ||
| 266 | #.......###..##..##............ | ||
| 267 | .....#...#.............#..#..#. | ||
| 268 | ..........#...................# | ||
| 269 | ....#....#...........#......... | ||
| 270 | .##.......##.##.........##..... | ||
| 271 | #......#.#....#....#...#.#.#... | ||
| 272 | ..#.##..#.###.#.##....#..#..... | ||
| 273 | #....##.#...#.................. | ||
| 274 | .......#...#...........#...#... | ||
| 275 | ....###.#...#..#............... | ||
| 276 | ##.#.#..#.#......#.#......#...# | ||
| 277 | .............#.....#.##....#... | ||
| 278 | #.............###....#...#.##.# | ||
| 279 | #..#.##.............#.##...#... | ||
| 280 | .#.#......#.........#...#...... | ||
| 281 | .#.........#.#.#.....##.#.#.... | ||
| 282 | .................#........#.... | ||
| 283 | ....##.#.#..#.........#........ | ||
| 284 | #...##......##....#.#..#......# | ||
| 285 | ..........##...##..#......##... | ||
| 286 | ..........#..#.#..##..#..#..... | ||
| 287 | ..#..#.....##........#...#.#... | ||
| 288 | #..........#.#.#..............# | ||
| 289 | #..........##.....#.#...##....# | ||
| 290 | .....#...#..#..#...##.#.......# | ||
| 291 | .##.#...............#.#...#.... | ||
| 292 | ..........#.....#......#....... | ||
| 293 | .....#.#......##...#.......#... | ||
| 294 | ...........#.#...#.....#....#.# | ||
| 295 | .###.#........##....#.##...#... | ||
| 296 | #....#.##....#.###..##.#....... | ||
| 297 | ##...........#..##.........#... | ||
| 298 | ....#.##...#...#.....#.#..#.... | ||
| 299 | ........#.#.#..#.#...........## | ||
| 300 | ..........#.##...#....#......#. | ||
| 301 | .##.....#.#.....##.#.......#.#. | ||
| 302 | .#..#....#.#.....#.##.#....#..# | ||
| 303 | #.......#..#..........##....#.. | ||
| 304 | .#........#...#..#.#...#....#.. | ||
| 305 | #......##...#...##..#.#.......# | ||
| 306 | .#......#.##.#............##.#. | ||
| 307 | .#....#.....##..##..........#.. | ||
| 308 | ..###..#..#...#...#.#.#..##.... | ||
| 309 | .#.#.##...#..#...........#....# | ||
| 310 | ....#......#.......##...#.#.#.. | ||
| 311 | .......#..#...##..#.........#.. | ||
| 312 | ....#..#.#.......##........#..# | ||
| 313 | ........#.#....#.##..#.......#. | ||
| 314 | .....#.......#.#...#.#......... | ||
| 315 | ........#...#....#.#....###..#. | ||
| 316 | ......#..#.##..##..#...#.#..... | ||
| 317 | .#.#.....#.....#....#...#...#.. | ||
| 318 | ...#..#...#..#......#..#.#..... | ||
| 319 | ...##...#...........#..#......# | ||
| 320 | ..#...#####..#.#.##....##...... | ||
| 321 | ...........#......#.#..#....... | ||
| 322 | ..#....##..#.##.......#.#.#..#. | ||
| 323 | ..#..#........#...#.......#.... | ||
diff --git a/2020/day3/toboggan.pl b/2020/day3/toboggan.pl new file mode 100644 index 0000000..d424a83 --- /dev/null +++ b/2020/day3/toboggan.pl | |||
| @@ -0,0 +1,30 @@ | |||
| 1 | use strict; | ||
| 2 | use warnings; | ||
| 3 | # use Smart::Comments; | ||
| 4 | |||
| 5 | open my $fh, '<', "input" or die "no input present, $!"; | ||
| 6 | |||
| 7 | my $right_m = 3; | ||
| 8 | my $toboggan = 0; | ||
| 9 | |||
| 10 | my $trees = 0; | ||
| 11 | |||
| 12 | while (my $line = <$fh>) { | ||
| 13 | chomp $line; | ||
| 14 | |||
| 15 | ### $line | ||
| 16 | my $curr = substr($line, $toboggan, 1); | ||
| 17 | ### $curr | ||
| 18 | |||
| 19 | if ($curr eq "#") { | ||
| 20 | $trees++; | ||
| 21 | } | ||
| 22 | |||
| 23 | ### $toboggan | ||
| 24 | |||
| 25 | $toboggan = ($toboggan + $right_m) % 31; | ||
| 26 | |||
| 27 | } | ||
| 28 | |||
| 29 | print($trees); | ||
| 30 | |||
diff --git a/2020/day3/toboggans.pl b/2020/day3/toboggans.pl new file mode 100644 index 0000000..ebf7ae4 --- /dev/null +++ b/2020/day3/toboggans.pl | |||
| @@ -0,0 +1,40 @@ | |||
| 1 | use strict; | ||
| 2 | use warnings; | ||
| 3 | # use Smart::Comments; | ||
| 4 | use DDP; | ||
| 5 | |||
| 6 | open my $fh, '<', "input" or die "no input present, $!"; | ||
| 7 | chomp(my @forest = <$fh>); | ||
| 8 | close $fh; | ||
| 9 | my $len = scalar @forest; | ||
| 10 | |||
| 11 | my @right_ms = qw/1 3 5 7 1/; | ||
| 12 | my @down_ms = qw/ 1 1 1 1 2/; | ||
| 13 | my $runs = $#right_ms; | ||
| 14 | |||
| 15 | my $all_trees = 1; | ||
| 16 | |||
| 17 | foreach my $run (0..$runs) { | ||
| 18 | |||
| 19 | my $toboggan = 0; | ||
| 20 | my $trees = 0; | ||
| 21 | my $down_mov = $down_ms[$run]; | ||
| 22 | my $right_mov = $right_ms[$run]; | ||
| 23 | |||
| 24 | for (my $line = 0; $line < $len; $line += $down_mov) { | ||
| 25 | my $curr = substr($forest[$line], $toboggan, 1); | ||
| 26 | if ($curr eq "#") { | ||
| 27 | $trees++; | ||
| 28 | } | ||
| 29 | $toboggan = ($toboggan + $right_mov) % 31; | ||
| 30 | } | ||
| 31 | $trees ||= 1; | ||
| 32 | $all_trees *= $trees; | ||
| 33 | ### this run is | ||
| 34 | ### $right_mov | ||
| 35 | ### $down_mov | ||
| 36 | ### got: $trees | ||
| 37 | ### so far: $all_trees | ||
| 38 | } | ||
| 39 | |||
| 40 | print("$all_trees"); | ||