!NOTES_FOR_NEXT_YEAR

@@ -0,0 +1,6 @@
+- add run() method to AOCDay, so every day can run on it's own -> enable Alt+Shit+F10 and avoid confusion
+    -> after wards add a "if __name__ == '__main__': day = Day(); day.run()" to the skeleton
+- add download_input() and submit_solution() to AOCDay, this can be automated, so let it ...
+    -> submit_solution() should not submit None and keep track of past (wrong) attempts to not re-try those
+- add some sort of "start_day.py", as the manual copy/create is tedious
+    -> maybe even download the problem description into that days .py? At least part1; adding part2 afterwards might be tricky

day01.py

@@ -13,20 +13,24 @@ class Day(AOCDay):
         ]
     ]
 
-    def count(self, step: int = 1) -> int:
+    def part1(self):
         count = 0
-        depths = self.getInput(int)
+        depths = self.getInputListAsType(int)
-        for x in range(step, len(depths)):
+        for x in range(1, len(depths)):
-            if depths[x] > depths[x - step]:
+            if depths[x] > depths[x-1]:
                 count += 1
 
         return count
 
-    def part1(self):
-        return self.count()
-
     def part2(self):
-        return self.count(3)
+        count = 0
+        depths = self.getInputListAsType(int)
+
+        for x in range(3, len(depths)):
+            if depths[x] > depths[x-3]:
+                count += 1
+
+        return count
 
 
 if __name__ == '__main__':

day09.py

@@ -4,6 +4,15 @@ from tools.grid import Grid
 from typing import Any, List
 
 
+def getCaveMapFromInput(puzzle_input: List[str]) -> Grid:
+    caveMap = Grid(99)
+    for y, s in enumerate(puzzle_input):
+        for x, v in enumerate(s):
+            caveMap.set(Coordinate(x, y), int(v))
+
+    return caveMap
+
+
 def getLowPoints(caveMap: Grid) -> List[Coordinate]:
     lowPoints = []
     for point in caveMap.getActiveCells():
@@ -29,30 +38,20 @@ class Day(AOCDay):
     inputs = [
         [
             (15, "test_input09"),
-            (530, "test_input09_sergej"),
             (545, "input09")
         ],
         [
             (1134, "test_input09"),
-            (1019494, "test_input09_sergej"),
             (950600, "input09")
         ]
     ]
 
-    def getCaveMap(self) -> Grid:
-        caveMap = Grid(99)
-        for y, s in enumerate(self.getInput()):
-            for x, v in enumerate(s):
-                caveMap.set(Coordinate(x, y), int(v))
-
-        return caveMap
-
     def part1(self) -> Any:
-        caveMap = self.getCaveMap()
+        caveMap = getCaveMapFromInput(self.getInput())
         return sum(caveMap.get(x) + 1 for x in getLowPoints(caveMap))
 
     def part2(self) -> Any:
-        caveMap = self.getCaveMap()
+        caveMap = getCaveMapFromInput(self.getInput())
         lowPoints = getLowPoints(caveMap)
         basins = list(sorted([getBasin(caveMap, point, set()) for point in lowPoints], key=lambda l: len(l)))
 

day13.py

@@ -37,7 +37,7 @@ class Day(AOCDay):
             (701, "input13")
         ],
         [
-            ("FPEKBEJL", "input13")
+            ("see image above", "input13")
         ]
     ]
 
@@ -59,7 +59,8 @@ class Day(AOCDay):
             direction, axis = thisFold.split()[-1].split("=")
             fold(grid, direction, int(axis))
 
-        return grid.get_aoc_ocr_string()
+        grid.print(true_char='#')
+        return "see image above"
 
 
 if __name__ == '__main__':

day15.py

@@ -4,6 +4,26 @@ from tools.grid import Grid
 from typing import Any, List
 
 
+def getGrid(lines: List[str], multiply: bool = False) -> Grid:
+    size = len(lines)
+    g = Grid()
+    for y, l in enumerate(lines):
+        for x, v in enumerate(map(int, l)):
+            g.set(Coordinate(x, y), v)
+            if not multiply:
+                continue
+
+            for x2 in range(5):
+                for y2 in range(5):
+                    if x2 == y2 == 0:
+                        continue
+                    nv = 1 + (v + x2 + y2 - 1) % 9
+
+                    g.set(Coordinate(size * x2 + x, size * y2 + y), nv)
+
+    return g
+
+
 class Day(AOCDay):
     inputs = [
         [
@@ -16,32 +36,13 @@ class Day(AOCDay):
         ]
     ]
 
-    def getGrid(self, multiply: bool = False) -> Grid:
-        size = len(self.getInput())
-        g = Grid()
-        for y, l in enumerate(self.getInput()):
-            for x, v in enumerate(map(int, l)):
-                g.set(Coordinate(x, y), v)
-                if not multiply:
-                    continue
-
-                for x2 in range(5):
-                    for y2 in range(5):
-                        if x2 == y2 == 0:
-                            continue
-                        nv = 1 + (v + x2 + y2 - 1) % 9
-
-                        g.set(Coordinate(size * x2 + x, size * y2 + y), nv)
-
-        return g
-
     def part1(self) -> Any:
-        grid = self.getGrid()
+        grid = getGrid(self.getInput())
         path = grid.getPath(Coordinate(0, 0), Coordinate(grid.maxX, grid.maxY), includeDiagonal=False, weighted=True)
         return sum(grid.get(c) for c in path[:-1])
 
     def part2(self) -> Any:
-        grid = self.getGrid(True)
+        grid = getGrid(self.getInput(), True)
         path = grid.getPath(Coordinate(0, 0), Coordinate(grid.maxX, grid.maxY), includeDiagonal=False, weighted=True)
         return sum(grid.get(c) for c in path[:-1])
 

day19.py

@@ -1,4 +1,4 @@
-from collections import Counter
+from collections import defaultdict
 from itertools import combinations
 from tools.aoc import AOCDay
 from tools.coordinate import Coordinate, DistanceAlgorithm
@@ -17,7 +17,7 @@ ROTATION_PATH = [
 
 
 def overlap(beacon1: Grid, beacon2: Grid) -> Union[Coordinate, None]:
-    diffs = Counter()
+    diffs = defaultdict(int)
     for c1 in beacon1.getActiveCells():
         for c2 in beacon2.getActiveCells():
             # Interestingly adding an if statement here to break out early when already 12 matches are found
@@ -25,9 +25,9 @@ def overlap(beacon1: Grid, beacon2: Grid) -> Union[Coordinate, None]:
             # and checking the results afterwards.
             diffs[c1 - c2] += 1
 
-    d = diffs.most_common(1)[0]
+    for d in diffs:
-    if d[1] >= 12:
+        if diffs[d] >= 12:
-        return d[0]
+            return d
 
 
 def converge(scanner_grids: List[Grid]) -> (Grid, List[Coordinate]):

day22.py

@@ -1,8 +1,66 @@
 from collections import defaultdict
 
 from tools.aoc import AOCDay
-from tools.coordinate import Coordinate, Cube
+from tools.coordinate import Coordinate
-from typing import Any
+from typing import Any, Generator, List, Union
+
+
+class Cube:
+    coord_ulb: Coordinate  # min_coord / up left back
+    coord_urb: Coordinate
+    coord_ulf: Coordinate
+    coord_urf: Coordinate
+    coord_dlb: Coordinate
+    coord_drb: Coordinate
+    coord_dlf: Coordinate
+    coord_drf: Coordinate  # max_coord / down right front
+
+    def __init__(self, min_coord: Coordinate, max_coord: Coordinate):
+        assert max_coord >= min_coord, "invalid cube spec: %s < %s" % (min_coord, max_coord)
+        self.coord_ulb = min_coord
+        self.coord_drf = max_coord
+        #self.coord_urb = Coordinate(self.coord_ulb.x, self.coord_drf.y, self.coord_ulb.z)
+        #self.coord_ulf = Coordinate(self.coord_ulb.x, self.coord_ulb.y, self.coord_drf.z)
+        #self.coord_urf = Coordinate(self.coord_ulb.x, self.coord_drf.y, self.coord_drf.z)
+        #self.coord_dlb = Coordinate(self.coord_drf.x, self.coord_ulb.y, self.coord_ulb.z)
+        #self.coord_drb = Coordinate(self.coord_drf.x, self.coord_drf.y, self.coord_ulb.z)
+        #self.coord_dlf = Coordinate(self.coord_drf.x, self.coord_ulb.y, self.coord_drf.z)
+
+    def getSize(self):
+        return (
+                (self.coord_drf.x - self.coord_ulb.x + 1)
+                * (self.coord_drf.y - self.coord_ulb.y + 1)
+                * (self.coord_drf.z - self.coord_ulb.z + 1)
+        )
+
+    def intersect(self, other: 'Cube') -> Union['Cube', None]:
+        intersect_ulr = Coordinate(
+            #max(self.coord_ulb.x, other.coord_ulb.x),
+            self.coord_ulb.x if self.coord_ulb.x > other.coord_ulb.x else other.coord_ulb.x,
+            #max(self.coord_ulb.y, other.coord_ulb.y),
+            self.coord_ulb.y if self.coord_ulb.y > other.coord_ulb.y else other.coord_ulb.y,
+            #max(self.coord_ulb.z, other.coord_ulb.z)
+            self.coord_ulb.z if self.coord_ulb.z > other.coord_ulb.z else other.coord_ulb.z,
+        )
+        intersect_drf = Coordinate(
+            #min(self.coord_drf.x, other.coord_drf.x),
+            self.coord_drf.x if self.coord_drf.x < other.coord_drf.x else other.coord_drf.x,
+            #min(self.coord_drf.y, other.coord_drf.y),
+            self.coord_drf.y if self.coord_drf.y < other.coord_drf.y else other.coord_drf.y,
+            #min(self.coord_drf.z, other.coord_drf.z),
+            self.coord_drf.z if self.coord_drf.z < other.coord_drf.z else other.coord_drf.z,
+        )
+        if intersect_ulr <= intersect_drf:
+            return Cube(intersect_ulr, intersect_drf)
+
+    def __str__(self):
+        return "Cube(<%d,%d,%d>;<%d,%d,%d>)" % (
+            self.coord_ulb.x, self.coord_ulb.y, self.coord_ulb.z,
+            self.coord_drf.x, self.coord_drf.y, self.coord_drf.z,
+        )
+
+    def __repr__(self):
+        return self.__str__()
 
 
 class Day(AOCDay):
@@ -30,23 +88,22 @@ class Day(AOCDay):
             minZ, maxZ = map(int, zco.split(".."))
 
             new_cube = Cube(Coordinate(minX, minY, minZ), Coordinate(maxX, maxY, maxZ))
-            if not part1 \
+            if not part1 or (new_cube.coord_ulb >= Coordinate(-50, -50, -50) and new_cube.coord_drf <= Coordinate(50, 50, 50)):
-                    or (new_cube.top_left >= Coordinate(-50, -50, -50)
-                        and new_cube.bottom_right <= Coordinate(50, 50, 50)):
                 yield state == "on", new_cube
 
     def getOnSum(self, part1: bool = False) -> int:
         cubes = defaultdict(int)
         for switch_state, this_cube in self.getCubeList(part1=part1):
             for prior_cube in cubes.copy():
-                intersect_cube = this_cube.intersection(prior_cube)
+                intersect_cube = this_cube.intersect(prior_cube)
                 if intersect_cube:
                     cubes[intersect_cube] -= cubes[prior_cube]
 
             if switch_state:
                 cubes[this_cube] = 1
+            #print(cubes)
 
-        return sum(len(cube) * on_off for cube, on_off in cubes.items())
+        return sum(cube.getSize() * on_off for cube, on_off in cubes.items())
 
     def part1(self) -> Any:
         return self.getOnSum(part1=True)

day24.py

@@ -8,7 +8,7 @@ def getTheNumberFast(pushpull, adders, subbers, part2=False):
         inc = 1
     else:
         number_init = [9] * 14
-        inc = -1
+        inc = - 1
 
     z = int(1e9)
     number = number_init.copy()

inputs/test_input09_sergej

@@ -1,100 +0,0 @@
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