2024 day 14.

src/holt59/aoc/2023/day24.py

@@ -63,6 +63,7 @@ class Solver(BaseSolver):
                 (x, y, z), (vx, vy, vz), positions[i1], velocities[i1]
             ):
                 equations.append(p + ti * d - pi - ti * di)
+        print(equations)
 
         r = solve(equations, [x, y, z, vx, vy, vz] + list(ts), dict=True)[0]
         yield r[x] + r[y] + r[z]

src/holt59/aoc/2024/day14.py

@@ -1,7 +1,72 @@
+import itertools as it
+import operator as op
+from math import prod
 from typing import Any, Iterator
 
+import parse  # pyright: ignore[reportMissingTypeStubs]
+
 from ..base import BaseSolver
 
 
 class Solver(BaseSolver):
-    def solve(self, input: str) -> Iterator[Any]: ...
+    def solve(self, input: str) -> Iterator[Any]:
+        positions: list[tuple[int, int]] = []
+        velocities: list[tuple[int, int]] = []
+
+        for line in input.splitlines():
+            r = parse.parse("p={x:d},{y:d} v={vx:d},{vy:d}", line)  # type: ignore
+            positions.append((r["y"], r["x"]))  # type: ignore
+            velocities.append((r["vy"], r["vx"]))  # type: ignore
+
+        n_rows, n_cols = 103, 101
+        if len(positions) < 20:
+            n_rows, n_cols = 7, 11
+
+        n_rounds = 100
+        new_positions = [
+            ((row + v_row * n_rounds) % n_rows, (col + v_col * n_rounds) % n_cols)
+            for (row, col), (v_row, v_col) in zip(positions, velocities, strict=True)
+        ]
+
+        midrow = n_rows // 2
+        midcol = n_cols // 2
+
+        yield prod(
+            (
+                sum(opr(row, midrow) and opc(col, midcol) for row, col in new_positions)
+                for opr, opc in it.product((op.gt, op.lt), repeat=2)
+            )
+        )
+
+        new_positions = positions.copy()
+        for rnd in self.progress.wrap(range(10000)):
+            new_positions = [
+                ((row + v_row) % n_rows, (col + v_col) % n_cols)
+                for (row, col), (v_row, v_col) in zip(
+                    new_positions, velocities, strict=True
+                )
+            ]
+            m = [[False for _ in range(n_cols)] for _ in range(n_rows)]
+            for row, col in new_positions:
+                m[row][col] = True
+
+            found = False
+            for row in m:
+                if sum(row) <= 10:
+                    continue
+                if any(all(row[i : i + 10]) for i in range(n_cols - 10)):
+                    if self.files:
+                        self.files.create(
+                            f"result_{rnd+1}.txt",
+                            "\n".join(
+                                "".join("#" if m[i][j] else "." for j in range(n_cols))
+                                for i in range(n_rows)
+                            ).encode(),
+                            True,
+                        )
+                    yield rnd + 1
+                    found = True
+                    break
+
+            if found:
+                break

src/holt59/aoc/inputs/holt59/2024/day14.txt

@@ -0,0 +1,500 @@
+p=99,12 v=19,18
+p=90,98 v=47,-52
+p=86,3 v=82,-13
+p=13,8 v=-67,-47
+p=36,45 v=28,65
+p=71,35 v=-8,-62
+p=75,8 v=-30,-21
+p=3,46 v=-38,-96
+p=1,89 v=78,18
+p=47,59 v=-63,99
+p=92,78 v=68,48
+p=42,31 v=78,94
+p=75,29 v=9,83
+p=46,12 v=-29,48
+p=80,16 v=-70,33
+p=18,66 v=57,-97
+p=60,12 v=89,-90
+p=21,36 v=-41,-78
+p=75,53 v=52,-62
+p=18,79 v=45,51
+p=20,29 v=63,-97
+p=22,68 v=23,1
+p=6,67 v=-24,-44
+p=44,35 v=-54,29
+p=33,80 v=28,-56
+p=48,78 v=55,-22
+p=88,79 v=99,69
+p=12,96 v=-50,-59
+p=6,57 v=80,61
+p=98,31 v=-77,14
+p=91,65 v=-13,20
+p=52,53 v=-85,41
+p=94,94 v=-15,5
+p=69,75 v=-41,-11
+p=98,77 v=71,-54
+p=23,47 v=-61,-27
+p=32,74 v=-11,96
+p=22,87 v=-5,-75
+p=65,22 v=26,71
+p=1,67 v=13,69
+p=32,96 v=-90,-94
+p=17,17 v=-5,71
+p=57,85 v=-92,28
+p=52,32 v=-41,69
+p=13,85 v=-43,-83
+p=51,39 v=-38,32
+p=64,17 v=91,82
+p=97,86 v=-69,-70
+p=98,94 v=46,-21
+p=43,31 v=61,-24
+p=42,58 v=-51,-42
+p=5,46 v=-4,91
+p=65,52 v=10,50
+p=23,6 v=-42,29
+p=54,25 v=4,44
+p=5,19 v=-77,-74
+p=44,77 v=-23,-26
+p=10,70 v=6,-72
+p=38,101 v=-50,-36
+p=9,49 v=35,72
+p=64,14 v=77,-78
+p=21,2 v=-67,-6
+p=34,97 v=-73,-37
+p=77,13 v=-30,60
+p=50,40 v=83,-58
+p=99,85 v=-59,-87
+p=65,0 v=-76,-48
+p=44,94 v=-45,34
+p=5,59 v=92,35
+p=73,100 v=93,-71
+p=50,20 v=-74,-97
+p=9,33 v=-10,-89
+p=54,49 v=-46,99
+p=99,100 v=92,51
+p=84,94 v=-53,-45
+p=92,13 v=-61,69
+p=19,52 v=56,-12
+p=20,52 v=-38,-90
+p=98,12 v=99,-22
+p=46,23 v=95,-32
+p=84,100 v=-70,70
+p=19,69 v=58,-52
+p=77,67 v=-51,31
+p=11,6 v=18,-67
+p=11,22 v=-50,-82
+p=73,43 v=25,79
+p=60,16 v=-58,-36
+p=86,18 v=-88,71
+p=21,50 v=-50,-88
+p=17,20 v=-65,-54
+p=38,26 v=67,71
+p=22,60 v=-46,15
+p=81,46 v=-39,16
+p=25,98 v=22,-41
+p=9,72 v=-94,8
+p=82,59 v=-46,-34
+p=71,41 v=-23,45
+p=74,1 v=-70,32
+p=96,17 v=-37,95
+p=39,45 v=-6,-23
+p=46,4 v=61,55
+p=41,100 v=-35,-10
+p=65,75 v=-1,-26
+p=8,21 v=7,-32
+p=43,71 v=-12,73
+p=85,67 v=58,-41
+p=73,7 v=31,-89
+p=85,71 v=-93,-72
+p=54,83 v=-46,-75
+p=13,66 v=-24,-98
+p=67,13 v=21,-21
+p=1,33 v=24,-66
+p=71,27 v=54,-78
+p=69,86 v=42,35
+p=17,28 v=-83,94
+p=92,19 v=25,-68
+p=92,84 v=-31,16
+p=32,26 v=-6,54
+p=20,97 v=-16,36
+p=1,102 v=13,9
+p=59,26 v=-68,91
+p=92,44 v=-20,30
+p=16,45 v=-83,34
+p=30,69 v=-75,-46
+p=51,64 v=-73,68
+p=53,29 v=-57,-61
+p=14,100 v=-15,86
+p=80,41 v=-20,-81
+p=5,92 v=-60,1
+p=91,10 v=-49,98
+p=0,62 v=-79,9
+p=40,1 v=3,-70
+p=81,32 v=-53,41
+p=53,18 v=-46,94
+p=69,96 v=-95,-82
+p=32,92 v=-69,-30
+p=73,83 v=-59,-65
+p=74,67 v=-8,-99
+p=71,45 v=-58,60
+p=35,29 v=-51,-92
+p=68,15 v=-92,-55
+p=74,3 v=26,30
+p=67,25 v=-58,22
+p=31,46 v=-73,-92
+p=29,69 v=45,23
+p=48,78 v=-23,-29
+p=41,13 v=-45,-78
+p=57,8 v=-3,26
+p=45,53 v=45,4
+p=37,23 v=-62,41
+p=41,90 v=-35,55
+p=88,96 v=53,-71
+p=38,15 v=-90,71
+p=62,20 v=4,-88
+p=64,19 v=15,-85
+p=96,61 v=10,81
+p=19,81 v=57,-45
+p=53,11 v=67,44
+p=51,83 v=66,85
+p=29,76 v=-84,-26
+p=63,23 v=-13,14
+p=23,51 v=-18,-52
+p=23,41 v=73,-55
+p=99,75 v=-32,-14
+p=68,20 v=79,45
+p=27,74 v=45,42
+p=55,96 v=47,-73
+p=87,29 v=-93,22
+p=20,76 v=-49,88
+p=11,78 v=-67,-41
+p=31,78 v=-12,-99
+p=21,49 v=64,9
+p=56,45 v=10,-4
+p=67,97 v=-59,92
+p=96,58 v=-49,96
+p=36,51 v=-68,8
+p=18,10 v=-79,-60
+p=25,7 v=47,-55
+p=12,101 v=40,-52
+p=83,57 v=-42,-38
+p=62,89 v=77,20
+p=8,49 v=51,-54
+p=12,98 v=-20,53
+p=47,89 v=35,68
+p=46,16 v=89,6
+p=72,34 v=37,45
+p=61,31 v=49,76
+p=42,98 v=64,17
+p=27,41 v=71,27
+p=50,8 v=-1,-63
+p=97,5 v=-56,9
+p=41,58 v=5,-38
+p=66,101 v=-64,13
+p=67,95 v=-40,18
+p=94,41 v=-37,73
+p=89,102 v=-4,2
+p=44,51 v=-84,65
+p=9,89 v=29,89
+p=28,29 v=5,29
+p=76,4 v=-89,8
+p=75,93 v=-75,89
+p=38,6 v=-73,-2
+p=19,1 v=-95,-6
+p=61,76 v=-69,23
+p=6,27 v=64,-24
+p=97,76 v=47,28
+p=62,86 v=50,-61
+p=85,50 v=-93,-92
+p=10,76 v=-83,31
+p=58,42 v=52,-81
+p=47,42 v=16,38
+p=3,17 v=-66,52
+p=58,84 v=-59,-36
+p=91,76 v=20,-68
+p=9,62 v=-10,-23
+p=45,99 v=-85,-2
+p=0,8 v=-77,17
+p=53,70 v=-41,-23
+p=32,96 v=6,89
+p=67,33 v=26,37
+p=94,86 v=47,47
+p=26,74 v=-39,12
+p=19,15 v=-55,16
+p=60,76 v=93,-98
+p=44,71 v=-49,-38
+p=35,77 v=-1,-7
+p=68,98 v=32,89
+p=10,54 v=-23,-24
+p=63,10 v=-77,50
+p=75,61 v=71,80
+p=35,78 v=-5,-55
+p=74,23 v=15,-45
+p=10,68 v=52,-34
+p=45,43 v=8,-67
+p=12,76 v=24,-75
+p=62,73 v=-86,77
+p=9,82 v=-38,-64
+p=1,95 v=25,-64
+p=67,30 v=-69,-20
+p=92,25 v=-79,75
+p=42,19 v=-46,-78
+p=3,98 v=35,-83
+p=89,102 v=53,90
+p=25,10 v=-5,37
+p=46,0 v=-74,29
+p=12,40 v=-79,92
+p=13,21 v=-56,-44
+p=63,49 v=77,-27
+p=3,12 v=83,-67
+p=48,42 v=72,-62
+p=37,74 v=-46,16
+p=25,75 v=51,-26
+p=84,35 v=81,-43
+p=38,40 v=-63,19
+p=77,13 v=-64,-48
+p=95,13 v=-82,-44
+p=81,41 v=-19,-81
+p=33,81 v=-64,41
+p=69,75 v=65,35
+p=30,76 v=45,39
+p=48,72 v=-29,39
+p=74,10 v=78,-61
+p=70,17 v=9,52
+p=11,67 v=46,-87
+p=35,72 v=-11,-46
+p=86,37 v=-82,60
+p=99,24 v=-91,56
+p=92,46 v=-54,-23
+p=93,12 v=76,-9
+p=92,43 v=-97,-75
+p=3,72 v=10,-79
+p=13,83 v=13,8
+p=78,80 v=3,-60
+p=81,41 v=84,-73
+p=93,9 v=-25,36
+p=78,96 v=20,-37
+p=40,50 v=-78,59
+p=66,21 v=85,78
+p=37,67 v=56,53
+p=49,62 v=-91,-63
+p=59,54 v=60,-69
+p=57,81 v=77,39
+p=51,79 v=-19,-11
+p=65,27 v=74,95
+p=33,56 v=44,-27
+p=7,43 v=80,38
+p=11,19 v=36,-88
+p=27,15 v=-95,44
+p=2,76 v=-15,-53
+p=90,40 v=-14,56
+p=93,52 v=30,-92
+p=31,42 v=56,-16
+p=86,64 v=-25,-51
+p=97,81 v=-76,-76
+p=11,36 v=35,-77
+p=9,94 v=-10,-48
+p=35,3 v=68,-6
+p=10,84 v=69,58
+p=12,17 v=18,71
+p=61,62 v=77,-4
+p=6,93 v=29,-82
+p=91,71 v=-49,62
+p=84,5 v=26,-17
+p=100,1 v=-22,-38
+p=90,27 v=-34,-39
+p=84,21 v=-68,-62
+p=72,10 v=-70,63
+p=83,20 v=42,-74
+p=51,99 v=-57,51
+p=13,56 v=-78,76
+p=21,88 v=80,81
+p=40,97 v=76,85
+p=61,92 v=-97,-15
+p=29,58 v=56,-88
+p=90,0 v=-34,-2
+p=35,46 v=-23,-35
+p=88,49 v=82,-67
+p=83,23 v=98,-1
+p=19,80 v=-5,-98
+p=21,45 v=-90,45
+p=79,3 v=-14,-86
+p=49,37 v=27,-54
+p=95,0 v=-93,36
+p=55,46 v=-63,26
+p=38,78 v=-61,-97
+p=91,61 v=-60,-92
+p=44,15 v=-51,75
+p=82,86 v=20,-72
+p=93,69 v=8,-95
+p=93,59 v=-37,50
+p=73,50 v=-84,22
+p=8,7 v=-50,25
+p=97,46 v=-14,22
+p=43,2 v=-96,44
+p=29,32 v=-33,34
+p=30,64 v=-56,-95
+p=12,65 v=-38,54
+p=64,54 v=-12,-54
+p=32,29 v=66,-4
+p=80,84 v=-24,34
+p=2,93 v=53,-87
+p=77,14 v=59,-82
+p=12,25 v=-77,78
+p=65,74 v=76,-61
+p=93,89 v=-26,59
+p=1,35 v=25,-12
+p=100,26 v=1,48
+p=28,79 v=-96,16
+p=18,1 v=-16,2
+p=42,38 v=-39,-31
+p=35,76 v=-76,-93
+p=28,6 v=78,24
+p=36,33 v=-34,-5
+p=26,73 v=-95,-95
+p=96,22 v=-83,-25
+p=82,74 v=-30,-76
+p=9,98 v=46,-52
+p=80,3 v=13,-65
+p=65,11 v=68,-58
+p=68,57 v=-13,57
+p=91,2 v=27,-94
+p=2,96 v=-16,-29
+p=65,67 v=-6,-55
+p=79,63 v=88,-19
+p=17,12 v=-27,52
+p=10,6 v=52,-86
+p=3,74 v=-37,-61
+p=90,47 v=14,68
+p=77,87 v=-59,20
+p=80,63 v=-98,8
+p=20,27 v=-64,10
+p=93,60 v=-54,-38
+p=93,14 v=52,95
+p=53,79 v=-63,-87
+p=12,21 v=-10,-70
+p=71,62 v=76,-19
+p=77,13 v=-3,-48
+p=51,99 v=-46,-36
+p=58,50 v=77,-31
+p=59,62 v=54,43
+p=66,66 v=-86,12
+p=34,87 v=-93,-88
+p=93,64 v=-47,71
+p=11,5 v=1,-67
+p=54,11 v=-80,-13
+p=74,31 v=-30,-85
+p=25,60 v=6,-34
+p=94,77 v=81,73
+p=62,70 v=-41,54
+p=44,70 v=-68,80
+p=25,78 v=42,71
+p=46,0 v=-29,82
+p=6,4 v=9,76
+p=34,40 v=-52,3
+p=62,23 v=2,50
+p=85,72 v=31,27
+p=85,67 v=1,1
+p=3,37 v=-15,-96
+p=99,29 v=-65,15
+p=65,67 v=-22,-99
+p=72,65 v=55,6
+p=38,97 v=56,-52
+p=16,13 v=35,82
+p=0,7 v=-8,-86
+p=47,4 v=33,-14
+p=50,34 v=-26,59
+p=27,61 v=60,81
+p=100,11 v=13,-93
+p=94,33 v=-26,-35
+p=9,43 v=52,68
+p=23,73 v=-1,-50
+p=76,88 v=62,-78
+p=62,28 v=43,3
+p=95,22 v=-80,79
+p=43,81 v=-84,40
+p=19,10 v=85,2
+p=40,31 v=-45,-81
+p=33,59 v=11,-80
+p=53,66 v=27,12
+p=52,94 v=5,24
+p=3,96 v=-71,-33
+p=18,48 v=28,-27
+p=76,18 v=34,-7
+p=75,73 v=93,-53
+p=48,9 v=-12,48
+p=65,51 v=-69,-66
+p=78,10 v=-14,-40
+p=44,32 v=-52,7
+p=36,20 v=-68,48
+p=4,58 v=63,61
+p=12,62 v=-39,-53
+p=31,36 v=56,-85
+p=14,58 v=-51,-61
+p=86,11 v=-76,-17
+p=45,38 v=-79,-1
+p=60,41 v=29,18
+p=28,8 v=-22,-59
+p=66,47 v=-13,72
+p=91,15 v=-31,-55
+p=69,73 v=15,-87
+p=52,49 v=71,-76
+p=73,69 v=-47,-49
+p=87,7 v=-20,-94
+p=1,0 v=-76,40
+p=96,48 v=-14,88
+p=52,36 v=-46,26
+p=94,48 v=3,-39
+p=36,38 v=-71,-93
+p=64,8 v=55,-47
+p=75,63 v=59,-38
+p=64,97 v=15,-94
+p=63,102 v=4,-40
+p=41,78 v=16,-87
+p=63,82 v=58,50
+p=32,24 v=48,42
+p=57,69 v=-35,31
+p=73,26 v=-2,-28
+p=31,89 v=28,32
+p=82,93 v=-14,62
+p=61,87 v=-12,-26
+p=58,36 v=-72,-13
+p=80,49 v=-59,15
+p=34,10 v=72,40
+p=4,82 v=41,16
+p=46,12 v=5,82
+p=81,17 v=75,-36
+p=69,12 v=99,90
+p=98,16 v=-55,-24
+p=49,39 v=38,-89
+p=91,1 v=92,-32
+p=91,99 v=-48,-33
+p=16,44 v=-60,53
+p=26,60 v=-56,-31
+p=31,32 v=28,-16
+p=36,40 v=33,-47
+p=60,18 v=-97,-51
+p=5,2 v=36,-21
+p=83,8 v=20,-47
+p=32,40 v=-16,-39
+p=65,11 v=-84,11
+p=58,31 v=-80,-5
+p=96,38 v=-42,-65
+p=40,23 v=14,87
+p=36,81 v=67,77
+p=13,74 v=35,96
+p=6,58 v=-36,-64
+p=73,23 v=-53,-5
+p=22,18 v=45,-58
+p=67,29 v=-81,-52
+p=14,18 v=-33,-17
+p=51,28 v=43,-55
+p=98,11 v=-72,95
+p=80,17 v=-53,10
+p=76,54 v=65,-77
+p=76,98 v=-74,66
+p=12,50 v=97,64
+p=53,27 v=67,26
+p=22,89 v=57,-60
+p=23,34 v=40,-43
+p=35,85 v=17,-6

src/holt59/aoc/inputs/tests/2024/day14.txt

@@ -0,0 +1,12 @@
+p=0,4 v=3,-3
+p=6,3 v=-1,-3
+p=10,3 v=-1,2
+p=2,0 v=2,-1
+p=0,0 v=1,3
+p=3,0 v=-2,-2
+p=7,6 v=-1,-3
+p=3,0 v=-1,-2
+p=9,3 v=2,3
+p=7,3 v=-1,2
+p=2,4 v=2,-3
+p=9,5 v=-3,-3