day16 rework; horribly slow, but at least working with all inputs

d16_old.py

@@ -0,0 +1,182 @@
+from collections import deque
+from itertools import product
+from tools.aoc import AOCDay
+from typing import Any
+
+from tools.tools import Cache
+
+
+class Valve:
+    def __init__(self, name: str, flowrate: int):
+        self.name: str = name
+        self.flowrate: int = flowrate
+        self.tunnels: set = set()
+
+
+class Tunnel:
+    def __init__(self, target: Valve, length: int = 1):
+        self.target: Valve = target
+        self.length: int = length
+
+    def __str__(self):
+        return f"Tunnel(target={self.target.name}, length={self.length})"
+
+    def __repr__(self):
+        return str(self)
+
+
+def get_openable_valve_tunnels(valve: Valve, open_valves: set, time_remaining: int) -> set:
+    tunnels = set()
+    queue = deque()
+    visited = set()
+    queue.append((0, valve))
+    while queue:
+        d, v = queue.popleft()
+        if v.name in visited:
+            continue
+        visited.add(v.name)
+        if v.name not in open_valves and d + 1 <= time_remaining:
+            tunnels.add((d, v))
+        for x in v.tunnels:
+            queue.append((d + x.length, x.target))
+
+    return tunnels
+
+
+def get_max_flow(valve: Valve, open_valves: list, time_remaining: int = 30, depth: int = 0) -> int:
+    max_flow = 0
+
+    ov = {t for t in valve.tunnels if t.target not in open_valves and t.length < time_remaining - 2}
+    if time_remaining <= 0 or not ov:
+        return 0
+
+    for tunnel in ov:
+        this_open_flow = tunnel.target.flowrate * (time_remaining - tunnel.length - 1)
+        this_flow = get_max_flow(tunnel.target, open_valves + [tunnel.target], time_remaining - tunnel.length - 1, depth + 1)
+        if this_flow + this_open_flow > max_flow:
+            max_flow = this_flow + this_open_flow
+
+
+    return max_flow
+
+
+def get_max_flow_double(valve1: Valve, valve2: Valve, open_valves: list, DP: dict, time_remaining_1: int = 26, time_remaining_2: int = 26, depth: int = 0) -> int:
+    dp_key = valve1.name + valve2.name + "%02d" % time_remaining_1 + "%02d" % time_remaining_2 + "".join(open_valves)
+    dp_key2 = valve2.name + valve1.name + "%02d" % time_remaining_1 + "%02d" % time_remaining_2 + "".join(open_valves)
+    if dp_key in DP:
+        return DP[dp_key]
+
+    if time_remaining_1 <= 0 and time_remaining_2 <= 0:
+        return 0
+
+    ov1 = {t for t in valve1.tunnels if t.target.name not in open_valves and t.length < time_remaining_1 - 2}
+    ov2 = {t for t in valve2.tunnels if t.target.name not in open_valves and t.length < time_remaining_2 - 2}
+
+    if not ov1 and not ov2:
+        return 0
+
+    if not ov1:
+        ov1 = {Tunnel(valve1, 99)}
+
+    if not ov2:
+        ov2 = {Tunnel(valve2, 99)}
+
+    permut = product(ov1, ov2)
+
+    max_flow = 0
+    for v1, v2 in permut:
+        if v1.target.name == v2.target.name:
+            continue
+
+        this_open_flow = 0
+
+        t1 = valve1
+        if v1.length + 2 <= time_remaining_1:
+            this_open_flow += v1.target.flowrate * (time_remaining_1 - v1.length - 1)
+            t1 = v1.target
+
+        t2 = valve2
+        if v2.length + 2 <= time_remaining_2:
+            this_open_flow += v2.target.flowrate * (time_remaining_2 - v2.length - 1)
+            t2 = v2.target
+
+        this_flow_rate = get_max_flow_double(
+            t1,
+            t2,
+            sorted(open_valves + [v1.target.name, v2.target.name]),
+            DP,
+            time_remaining_1 - v1.length - 1,
+            time_remaining_2 - v2.length - 1,
+            depth + 1
+        )
+
+        if this_flow_rate + this_open_flow > max_flow:
+            max_flow = this_flow_rate + this_open_flow
+
+    DP[dp_key] = max_flow
+    DP[dp_key2] = max_flow
+    return max_flow
+
+
+class Day(AOCDay):
+    inputs = [
+        [
+            (1651, "input16_test"),
+            #(1947, "input16_dennis"),
+            (1850, "input16"),
+        ],
+        [
+            (1707, "input16_test"),
+            (2556, "input16_dennis"),
+            (2306, "input16"),
+        ]
+    ]
+
+    def get_valve_graph(self) -> Valve:
+        valves = {}
+        tmp_tunnels = {}
+        for line in self.getInput():
+            p = line.split(" ")
+            valve_name = p[1]
+            flowrate = int(p[4][5:-1])
+            tunnels = "".join(p[9:]).split(",")
+            valves[valve_name] = Valve(valve_name, flowrate)
+            tmp_tunnels[valve_name] = tunnels
+
+        for name, tunnels in tmp_tunnels.items():
+            valves[name].tunnels = {Tunnel(valves[t]) for t in tunnels}
+
+        for valve in valves.values():
+            tunnels = set()
+            queue = deque()
+            visited = set()
+            queue.append((0, valve))
+            while queue:
+                d, v = queue.popleft()
+                if v in visited:
+                    continue
+                visited.add(v)
+                if v != valve and v.flowrate > 0:
+                    tunnels.add(Tunnel(v, d))
+                for x in v.tunnels:
+                    queue.append((d + 1, x.target))
+
+            tmp_tunnels[valve.name] = tunnels
+
+        for name, tunnels in tmp_tunnels.items():
+            valves[name].tunnels = tunnels
+
+        return valves["AA"]
+
+    def part1(self) -> Any:
+        return get_max_flow(self.get_valve_graph(), [])
+
+    def part2(self) -> Any:
+        cache = Cache()
+        root = self.get_valve_graph()
+        return get_max_flow_double(root, root, [], cache)
+
+
+if __name__ == '__main__':
+    day = Day(2022, 16)
+    day.run(verbose=True)

day16.py

@@ -1,124 +1,151 @@
-from collections import deque
-from itertools import product
+import heapq
+import itertools
+import re
 from tools.aoc import AOCDay
 from typing import Any
 
-from tools.tools import Cache
-
 
 class Valve:
-    def __init__(self, name: str, flowrate: int):
-        self.name: str = name
-        self.flowrate: int = flowrate
-        self.tunnels: set = set()
+    def __init__(self, name: str, flowrate: int) -> None:
+        self.__name = name
+        self.__flowrate = flowrate
+        self.neighbours = {}
+
+    @property
+    def flowrate(self) -> int:
+        return self.__flowrate
+
+    @property
+    def name(self) -> str:
+        return self.__name
+
+    def shortest_path_to(self, other: 'Valve'):
+        if other in self.neighbours:
+            return self.neighbours[other]
+
+        current = self
+        v = set()
+        v.add(current)
+        q = [(v, k) for k, v in self.neighbours.items()]
+        heapq.heapify(q)
+
+        while q:
+            dist, current = heapq.heappop(q)
+            if current == other:
+                return dist
+
+            if current in v:
+                continue
+
+            v.add(current)
+            for n, d in current.neighbours.items():
+                heapq.heappush(q, (dist + d, n))
+
+    def __lt__(self, other: 'Valve') -> bool:
+        return self.__name < other.__name
+
+    def __repr__(self) -> str:
+        return "Valve(%s;%s)" % (self.__name, self.__flowrate)
+
+    def __str__(self) -> str:
+        return self.__repr__()
 
 
-class Tunnel:
-    def __init__(self, target: Valve, length: int = 1):
-        self.target: Valve = target
-        self.length: int = length
+def get_most_pressure_release_solo(root: Valve, remaining_minutes: int = 30, visited: set = None) -> int:
+    if visited is None:
+        visited = set()
+    visited.add(root)
 
-    def __str__(self):
-        return f"Tunnel(target={self.target.name}, length={self.length})"
+    my_flowrate = 0
+    if root.flowrate > 0:
+        remaining_minutes -= 1
+        my_flowrate = root.flowrate * remaining_minutes
 
-    def __repr__(self):
-        return str(self)
-
-
-def get_openable_valve_tunnels(valve: Valve, open_valves: set, time_remaining: int) -> set:
-    tunnels = set()
-    queue = deque()
-    visited = set()
-    queue.append((0, valve))
-    while queue:
-        d, v = queue.popleft()
-        if v.name in visited:
+    max_flowrate = 0
+    for n, d in root.neighbours.items():
+        if n in visited:
             continue
-        visited.add(v.name)
-        if v.name not in open_valves and d + 2 <= time_remaining:
-            tunnels.add((d, v))
-        for x in v.tunnels:
-            queue.append((d + x.length, x.target))
 
-    return tunnels
+        if remaining_minutes <= d + 1:
+            continue
+
+        n_flowrate = get_most_pressure_release_solo(n, remaining_minutes - d, visited.copy())
+        if n_flowrate > max_flowrate:
+            max_flowrate = n_flowrate
+
+    return max_flowrate + my_flowrate
 
 
-def get_max_flow(valve: Valve, open_valves: list, time_remaining: int = 30, depth: int = 0) -> int:
-    max_flow = 0
+def get_mode_pressure_release_double(root_me: Valve, root_ele: Valve, r_min_me: int = 26, r_min_ele: int = 26, visited: set = None) -> int:
+    dp_key = root_me.name + root_ele.name + "%02d" % r_min_me + "%02d" % r_min_ele + "".join(v.name for v in sorted(visited))
+    dp_key2 = root_ele.name + root_me.name + "%02d" % r_min_me + "%02d" % r_min_ele + "".join(v.name for v in sorted(visited))
 
-    ov = {t for t in valve.tunnels if t.target not in open_valves and t.length < time_remaining - 2}
-    if time_remaining <= 0 or not ov:
-        return 0
-
-    for tunnel in ov:
-        this_open_flow = tunnel.target.flowrate * (time_remaining - tunnel.length - 1)
-        this_flow = get_max_flow(tunnel.target, open_valves + [tunnel.target], time_remaining - tunnel.length - 1, depth + 1)
-        if this_flow + this_open_flow > max_flow:
-            max_flow = this_flow + this_open_flow
-
-
-    return max_flow
-
-
-def get_max_flow_double(valve1: Valve, valve2: Valve, open_valves: list, DP: dict, time_remaining_1: int = 26, time_remaining_2: int = 26, depth: int = 0) -> int:
-    dp_key = valve1.name + valve2.name + "%02d" % time_remaining_1 + "%02d" % time_remaining_2 + "".join(open_valves)
-    dp_key2 = valve2.name + valve1.name + "%02d" % time_remaining_1 + "%02d" % time_remaining_2 + "".join(open_valves)
     if dp_key in DP:
         return DP[dp_key]
 
-    if time_remaining_1 <= 0 and time_remaining_2 <= 0:
+    my_flowrate = 0
+    if r_min_me > 1 and root_me not in visited:
+        visited.add(root_me)
+        r_min_me -= 1
+        my_flowrate += root_me.flowrate * r_min_me
+
+    if r_min_ele > 1 and root_ele not in visited:
+        visited.add(root_ele)
+        r_min_ele -= 1
+        my_flowrate += root_ele.flowrate * r_min_ele
+
+    if not my_flowrate and root_me.name != 'AA':
         return 0
 
-    ov1 = {t for t in valve1.tunnels if t.target.name not in open_valves and t.length < time_remaining_1 - 2}
-    ov2 = {t for t in valve2.tunnels if t.target.name not in open_valves and t.length < time_remaining_2 - 2}
+    max_flowrate = 0
+    rem_list = [x for x in root_me.neighbours.keys() if x not in visited]
+    if len(rem_list) == 1:
+        if root_me.neighbours[rem_list[0]] < root_ele.neighbours[rem_list[0]]:
+            max_flowrate = get_mode_pressure_release_double(rem_list[0], root_ele, r_min_me - root_me.neighbours[rem_list[0]], r_min_ele, visited.copy())
+        else:
+            max_flowrate = get_mode_pressure_release_double(root_me, rem_list[0], r_min_me, r_min_ele - root_ele.neighbours[rem_list[0]], visited.copy())
+    else:
+        max_prod = len(rem_list) ** 2
+        cur_prod = 0
+        for v1, v2 in itertools.product(rem_list, repeat=2):
+            if len(visited) == 1:
+                cur_prod += 1
+                print("Iter (%d/%d)" % (cur_prod, max_prod))
+            if v1 == v2:
+                continue
 
-    if not ov1 and not ov2:
-        return 0
+            me, ele = v1, v2
+            if r_min_me <= root_me.neighbours[me] + 1:
+                me = root_me
 
-    if not ov1:
-        ov1 = {Tunnel(valve1, 99)}
+            if r_min_ele <= root_ele.neighbours[ele] + 1:
+                ele = root_ele
 
-    if not ov2:
-        ov2 = {Tunnel(valve2, 99)}
+            if me == root_me and ele == root_ele:
+                continue
 
-    permut = product(ov1, ov2)
+            n_flowrate = get_mode_pressure_release_double(
+                me, ele,
+                r_min_me - (root_me.neighbours[me] if me in root_me.neighbours else 1),
+                r_min_ele - (root_ele.neighbours[ele] if ele in root_ele.neighbours else 1),
+                visited.copy()
+            )
+            if n_flowrate > max_flowrate:
+                max_flowrate = n_flowrate
 
-    max_flow = 0
-    for v1, v2 in permut:
-        if v1.target.name == v2.target.name:
-            continue
+            if n_flowrate == 1671:
+                break
 
-        this_open_flow = 0
+    DP[dp_key] = my_flowrate + max_flowrate
+    DP[dp_key2] = my_flowrate + max_flowrate
+    return my_flowrate + max_flowrate
 
-        t1 = valve1
-        if v1.length + 2 <= time_remaining_1:
-            this_open_flow += v1.target.flowrate * (time_remaining_1 - v1.length - 1)
-            t1 = v1.target
 
-        t2 = valve2
-        if v2.length + 2 <= time_remaining_2:
-            this_open_flow += v2.target.flowrate * (time_remaining_2 - v2.length - 1)
-            t2 = v2.target
-
-        this_flow_rate = get_max_flow_double(
-            t1,
-            t2,
-            sorted(open_valves + [v1.target.name, v2.target.name]),
-            DP,
-            time_remaining_1 - v1.length - 1,
-            time_remaining_2 - v2.length - 1,
-            depth + 1
-        )
-
-        if this_flow_rate + this_open_flow > max_flow:
-            max_flow = this_flow_rate + this_open_flow
-
-    DP[dp_key] = max_flow
-    DP[dp_key2] = max_flow
-    return max_flow
+DP = {}
 
 
 class Day(AOCDay):
+    input_regexp = re.compile(r'Valve ([A-Z][A-Z]) has flow rate=([0-9]+); tunnels? leads? to valves? (.*)')
     inputs = [
         [
             (1651, "input16_test"),
@@ -132,49 +159,54 @@ class Day(AOCDay):
         ]
     ]
 
-    def get_valve_graph(self) -> Valve:
+    def parse_input(self) -> Valve:
+        n_cache = {}
         valves = {}
-        tmp_tunnels = {}
         for line in self.getInput():
-            p = line.split(" ")
-            valve_name = p[1]
-            flowrate = int(p[4][5:-1])
-            tunnels = "".join(p[9:]).split(",")
-            valves[valve_name] = Valve(valve_name, flowrate)
-            tmp_tunnels[valve_name] = tunnels
+            name, flowrate, neighbours = self.input_regexp.match(line).groups()
+            valves[name] = Valve(name, int(flowrate))
+            n_cache[name] = neighbours.split(", ")
 
-        for name, tunnels in tmp_tunnels.items():
-            valves[name].tunnels = {Tunnel(valves[t]) for t in tunnels}
+        for valve, neighbours in n_cache.items():
+            for n in neighbours:
+                valves[valve].neighbours[valves[n]] = 1
 
         for valve in valves.values():
-            tunnels = set()
-            queue = deque()
-            visited = set()
-            queue.append((0, valve))
-            while queue:
-                d, v = queue.popleft()
-                if v in visited:
+            if valve.flowrate != 0:
+                continue
+
+            for n_set in valve.neighbours.keys():
+                del n_set.neighbours[valve]
+                for n_get in valve.neighbours.keys():
+                    if n_get == n_set:
+                        continue
+
+                    if n_get in n_set.neighbours:
+                        continue
+
+                    n_set.neighbours[n_get] = valve.neighbours[n_set] + valve.neighbours[n_get]
+
+        for v_set in valves.values():
+            for v_get in valves.values():
+                if v_set == v_get or v_get in v_set.neighbours or v_get.flowrate == 0:
                     continue
-                visited.add(v)
-                if v != valve and v.flowrate > 0:
-                    tunnels.add(Tunnel(v, d))
-                for x in v.tunnels:
-                    queue.append((d + 1, x.target))
 
-            tmp_tunnels[valve.name] = tunnels
+                v_set.neighbours[v_get] = v_set.shortest_path_to(v_get)
 
-        for name, tunnels in tmp_tunnels.items():
-            valves[name].tunnels = tunnels
+        for n in list(valves['AA'].neighbours.keys()):
+            if n.flowrate == 0:
+                del valves['AA'].neighbours[n]
 
-        return valves["AA"]
+        return valves['AA']
 
     def part1(self) -> Any:
-        return get_max_flow(self.get_valve_graph(), [])
+        return get_most_pressure_release_solo(self.parse_input())
 
     def part2(self) -> Any:
-        cache = Cache()
-        root = self.get_valve_graph()
-        return get_max_flow_double(root, root, [], cache)
+        global DP
+        DP = {}
+        root_valve = self.parse_input()
+        return get_mode_pressure_release_double(root_valve, root_valve, visited={root_valve})
 
 
 if __name__ == '__main__':

day22.py

@@ -1,233 +1,42 @@
 import re
 from tools.aoc import AOCDay
 from tools.coordinate import Coordinate
-from tools.grid import Grid
+from tools.grid import Grid, GridTransformation
 from typing import Any
 
 
 FACING = [
-    Coordinate(1, 0),
-    Coordinate(0, 1),
-    Coordinate(-1, 0),
-    Coordinate(0, -1)
+    Coordinate(1, 0, 0),
+    Coordinate(0, 1, 0),
+    Coordinate(-1, 0, 0),
+    Coordinate(0, -1, 0)
 ]
 
-CUBE_CONNECTIONS = {
-    '##./.#./.##/..#': (
-        ((0, 0, 1), (1, 1, 0)),
-        ((0, 0, 2), (1, 2, 0)),
-        ((0, 0, 3), (2, 3, 3)),
-        ((1, 0, 0), (2, 2, 2)),
-        ((1, 0, 3), (2, 3, 2)),
-        ((1, 1, 0), (2, 2, 3)),
-        ((1, 1, 2), (0, 0, 3)),
-        ((1, 2, 2), (0, 0, 0)),
-        ((1, 2, 3), (2, 3, 0)),
-        ((2, 2, 0), (0, 1, 2)),
-        ((2, 2, 3), (1, 1, 2)),
-        ((2, 3, 0), (1, 0, 3)),
-        ((2, 3, 1), (0, 0, 1)),
-        ((2, 3, 2), (1, 2, 3)),
-    ),
-    '..#./###./..##': (
-        ((2, 0, 0), (3, 2, 2)),
-        ((2, 0, 2), (1, 1, 1)),
-        ((2, 0, 3), (0, 1, 1)),
-        ((0, 1, 1), (2, 2, 3)),
-        ((0, 1, 2), (3, 2, 3)),
-        ((0, 1, 3), (2, 0, 1)),
-        ((1, 1, 1), (2, 2, 0)),
-        ((1, 1, 3), (2, 0, 0)),
-        ((2, 1, 0), (3, 2, 1)),
-        ((2, 2, 1), (0, 1, 3)),
-        ((2, 2, 2), (1, 1, 3)),
-        ((3, 2, 0), (2, 0, 2)),
-        ((3, 2, 1), (0, 1, 0)),
-        ((3, 2, 3), (2, 1, 2)),
-    ),
-    '.#./.#./###/#..': (
-        ((1, 0, 0), (2, 2, 2)),
-        ((1, 0, 2), (0, 2, 0)),
-        ((1, 0, 3), (0, 3, 0)),
-        ((1, 1, 0), (2, 2, 3)),
-        ((1, 1, 2), (0, 2, 1)),
-        ((0, 2, 2), (1, 0, 0)),
-        ((0, 2, 3), (1, 1, 0)),
-        ((1, 2, 1), (0, 3, 2)),
-        ((2, 2, 0), (1, 0, 2)),
-        ((2, 2, 1), (0, 3, 3)),
-        ((2, 2, 3), (1, 1, 2)),
-        ((0, 3, 0), (1, 2, 3)),
-        ((0, 3, 1), (2, 2, 1)),
-        ((0, 3, 2), (1, 0, 1)),
-    ),
-}
-
 
 def get_password_from_coord(c: Coordinate, face: int) -> int:
     return (c.y + 1) * 1000 + (c.x + 1) * 4 + face
 
 
-def get_cube_conn_dict(cube_conn: tuple, c_size: int) -> dict:
-    conn_dict = {}
-    for conn in cube_conn:
-        cur, tar = conn
-        cur_x, cur_y, cur_f = cur
-        tar_x, tar_y, tar_f = tar
-
-        match cur_f, tar_f:
-            case 0, 1:
-                x = (cur_x + 1) * c_size - 1
-                ty = tar_y * c_size
-                for d in range(c_size):
-                    y = cur_y * c_size + d
-                    tx = (tar_x + 1) * c_size - (d + 1)
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 0, 2:
-                x = (cur_x + 1) * c_size - 1
-                tx = (tar_x + 1) * c_size - 1
-                for dy in range(c_size):
-                    y = cur_y * c_size + dy
-                    ty = tar_y * c_size + dy
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 0, 3:
-                x = (cur_x + 1) * c_size - 1
-                ty = tar_y * c_size
-                for dy in range(c_size):
-                    y = cur_y * c_size + dy
-                    tx = tar_x * c_size + dy
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 1, 0:
-                y = (cur_y + 1) * c_size - 1
-                tx = tar_x * c_size
-                for dy in range(c_size):
-                    x = cur_x * c_size + dy
-                    ty = tar_y * c_size + dy
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 1, 1:
-                y = (cur_y + 1) * c_size - 1
-                ty = tar_y * c_size
-                for dx in range(c_size):
-                    x = cur_x * c_size + dx
-                    tx = tar_x * c_size + dx
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 1, 2:
-                y = (cur_y + 1) * c_size - 1
-                tx = (tar_x + 1) * c_size - 1
-                for d in range(c_size):
-                    x = cur_x * c_size + d
-                    ty = tar_y * c_size + d
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 1, 3:
-                y = (cur_y + 1) * c_size - 1
-                ty = (tar_y + 1) * c_size - 1
-                for d in range(c_size):
-                    x = cur_x * c_size + d
-                    tx = tar_x * c_size + d
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 2, 0:
-                x = cur_x * c_size
-                tx = tar_x * c_size
-                for dy in range(c_size):
-                    y = cur_y * c_size + dy
-                    ty = tar_y * c_size + dy
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 2, 1:
-                x = cur_x * c_size
-                ty = tar_y * c_size
-                for d in range(c_size):
-                    y = cur_y * c_size + d
-                    tx = tar_x * c_size + d
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 2, 3:
-                x = cur_x * c_size
-                ty = (tar_y + 1) * c_size - 1
-                for dy in range(c_size):
-                    y = cur_y * c_size + dy
-                    tx = tar_x * c_size + dy
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 3, 0:
-                y = cur_y * c_size
-                tx = tar_x * c_size
-                for d in range(c_size):
-                    x = cur_x * c_size + d
-                    ty = tar_y * c_size + d
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 3, 1:
-                y = cur_y * c_size
-                ty = (tar_y + 1) * c_size - 1
-                for d in range(c_size):
-                    x = cur_x * c_size + d
-                    tx = tar_x * c_size + d
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 3, 2:
-                y = cur_y * c_size
-                tx = (tar_x + 1) * c_size - 1
-                for d in range(c_size):
-                    x = cur_x * c_size + d
-                    ty = (tar_y + 1) * c_size - (d + 1)
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case 3, 3:
-                y = cur_y * c_size
-                ty = tar_y * c_size
-                for d in range(c_size):
-                    x = cur_x * c_size + d
-                    tx = tar_x * c_size + d
-                    conn_dict[(x, y, cur_f)] = (Coordinate(tx, ty), tar_f)
-            case _:
-                print("Missing case:", cur_f, tar_f)
-
-    return conn_dict
-
-
-def identify_cube(board: Grid) -> dict:
-    for i in ((4, 3), (3, 4), (2, 5), (5, 2)):
-        if (board.maxX + 1) % i[0] != 0 or (board.maxY + 1) % i[1] != 0:
-            continue
-
-        x_size, y_size = (board.maxX + 1) // i[0], (board.maxY + 1) // i[1]
-        if x_size != y_size:
-            continue  # this cannot be a cube
-        x_tiles, y_tiles = (board.maxX + 1) // x_size, (board.maxY + 1) // y_size
-        cube_grid = Grid()
-        for x in range(x_tiles):
-            for y in range(y_tiles):
-                cube_grid.set(Coordinate(x, y), board.get(Coordinate(x * x_size, y * y_size)) is not None)
-
-        if cube_grid.getOnCount() != 6:
-            continue
-
-        cube_grid.print(true_char='#')
-        if str(cube_grid) in CUBE_CONNECTIONS:
-            return get_cube_conn_dict(CUBE_CONNECTIONS[str(cube_grid)], x_size)
-
-    print("Unknown Cube-Shape")
-
-
-def walk(board: Grid, pos: Coordinate, directions: list, face: int = 0, connections: dict = None) -> (Coordinate, int):
+def walk(board: Grid, pos: Coordinate, directions: list) -> (Coordinate, int):
+    face = 0
     for direction in directions:
         steps, turn = direction
-        print("starting at", pos, "moving", steps, "steps, then turning", turn)
 
         for _ in range(steps):
             next_pos = pos + FACING[face]
             next_face = face
             if board.get(next_pos) is None or not board.isWithinBoundaries(next_pos):
-                if connections is not None:
-                    next_pos, next_face = connections[(pos.x, pos.y, face)]
-                    print("wrapping from", pos, "to", next_pos, "facing", next_face)
-                else:
-                    match face:
-                        case 0:
-                            next_pos = Coordinate(0, next_pos.y)
-                        case 1:
-                            next_pos = Coordinate(next_pos.x, 0)
-                        case 2:
-                            next_pos = Coordinate(board.maxX, next_pos.y)
-                        case 3:
-                            next_pos = Coordinate(next_pos.x, board.maxY)
-                    while board.get(next_pos) is None:
-                        next_pos += FACING[face]
+                match face:
+                    case 0:
+                        next_pos = Coordinate(0, next_pos.y, 0)
+                    case 1:
+                        next_pos = Coordinate(next_pos.x, 0, 0)
+                    case 2:
+                        next_pos = Coordinate(board.maxX, next_pos.y, 0)
+                    case 3:
+                        next_pos = Coordinate(next_pos.x, board.maxY, 0)
+                while board.get(next_pos) is None:
+                    next_pos += FACING[face]
 
             next_val = board.get(next_pos)
             if not next_val:
@@ -242,29 +51,121 @@ def walk(board: Grid, pos: Coordinate, directions: list, face: int = 0, connecti
     return pos, face
 
 
+def cube_walk(board: Grid, pos: Coordinate, directions: list) -> (Coordinate, int):
+    face = 0
+    for direction in directions:
+        steps, turn = direction
+
+        for _ in range(steps):
+            next_pos = pos + FACING[face]
+            if board.get(next_pos) is False:
+                break
+            elif board.get(next_pos) is None:
+                match face:
+                    case 0:  # right
+                        if board.get(Coordinate(pos.x + 1, pos.y, 1)) is True:
+                            board.transform(GridTransformation.COUNTER_ROTATE_Y)
+                            next_pos = Coordinate(1, pos.y, 0)
+                        else:
+                            break
+                    case 1:  # down
+                        if board.get(Coordinate(pos.x, pos.y + 1, 1)) is True:
+                            board.transform(GridTransformation.ROTATE_X)
+                            next_pos = Coordinate(pos.x, 1, 0)
+                        else:
+                            break
+                    case 2:  # left
+                        if board.get(Coordinate(0, pos.y, 1)) is True:
+                            board.transform(GridTransformation.ROTATE_Y)
+                            next_pos = Coordinate(board.maxX - 1, pos.y, 0)
+                        else:
+                            break
+                    case 3:  # up
+                        if board.get(Coordinate(pos.x, 0, 1)) is True:
+                            board.transform(GridTransformation.COUNTER_ROTATE_X)
+                            next_pos = Coordinate(pos.x, board.maxY - 1, 0)
+                        else:
+                            break
+
+            pos = next_pos
+
+        if turn != 'S':
+            face = (face + (1 if turn == 'R' else -1)) % 4
+
+    return pos, face
+
+
+def fold(board: Grid, start_pos: Coordinate):
+    c_size = 4 if board.maxX < 40 else 50  # account for test case
+
+    if board.get(start_pos + Coordinate(-1, 0, 0)) is not None:
+        for y in board.rangeY():
+            for x in range(start_pos.x - 1, board.minX - 1, -1):
+                from_c = Coordinate(x, y, 0)
+                to_c = Coordinate(start_pos.x - 1, y, start_pos.x - x)
+                board.set(to_c, board.get(from_c))
+                board.set(from_c, None)
+        board.recalcBoundaries()
+        board.transform(GridTransformation.ROTATE_Y)
+        board.shift(shift_z=-board.minZ)
+        fold(board, Coordinate(board.maxX - c_size, 1, 0))
+        board.transform(GridTransformation.COUNTER_ROTATE_Y)
+        board.shift_zero()
+        start_pos = Coordinate(1, 1, 0)
+
+    if board.get(start_pos + Coordinate(c_size, 0, 0)) is not None:
+        for y in range(board.maxY + 1):
+            for x in range(start_pos.x + c_size, board.maxX + 1):
+                from_c = Coordinate(x, y, 0)
+                to_c = Coordinate(start_pos.x + c_size, y, x - start_pos.x - c_size + 1)
+                board.set(to_c, board.get(from_c))
+                board.set(from_c, None)
+        board.recalcBoundaries()
+        board.transform(GridTransformation.COUNTER_ROTATE_Y)
+        board.shift(shift_z=-board.minZ)
+        fold(board, Coordinate(1, 1, 0))
+        board.transform(GridTransformation.ROTATE_Y)
+        board.shift_zero()
+        if board.get(Coordinate(start_pos.x, 0, 0)) is not None:
+            board.shift(shift_y=1)
+        if list(board.getActiveCells(x=0, z=0)):
+            board.shift(shift_x=1)
+
+    if board.get(start_pos + Coordinate(0, c_size, 0)) is not None:
+        for y in range(start_pos.y + c_size, board.maxY + 1):
+            for x in board.rangeX():
+                from_c = Coordinate(x, y, 0)
+                to_c = Coordinate(x, start_pos.y + c_size, y - start_pos.y - c_size + 1)
+                board.set(to_c, board.get(from_c))
+                board.set(from_c, None)
+        board.recalcBoundaries()
+        board.transform(GridTransformation.ROTATE_X)
+        fold(board, start_pos)
+        board.transform(GridTransformation.COUNTER_ROTATE_X)
+
+
 class Day(AOCDay):
     inputs = [
         [
             (6032, "input22_test"),
+            (191010, "input22_dennis"),
             (1428, "input22"),
         ],
         [
             (5031, "input22_test"),
-            (None, "input22"),
+            (55364, "input22_dennis"),
+            (142380, "input22"),
         ]
     ]
 
     def get_map_and_directions(self) -> (Grid, list, Coordinate):
-        board_map = Grid(None)
         start_pos = None
         map_lines, dir_line = self.getMultiLineInputAsArray()
-        for y, map_line in enumerate(map_lines):
-            for x, v in enumerate(map_line):
-                if v in ['#', '.']:
-                    c = Coordinate(x, y)
-                    if start_pos is None and v == '.':
-                        start_pos = c
-                    board_map.set(c, v == '.')
+        board = Grid.from_str("/".join(map_lines), default=None, translate={' ': None, '#': False, '.': True}, mode3d=True)
+        for x in board.rangeX():
+            if board.get(Coordinate(x, 0, 0)) is not None:
+                start_pos = Coordinate(x, 0, 0)
+                break
 
         if dir_line[0][-1] not in ['R', 'L']:
             dir_line[0] += 'S'
@@ -272,29 +173,43 @@ class Day(AOCDay):
         for d in re.findall(r'\d+[RLS]', dir_line[0]):
             directions.append((int(d[:-1]), d[-1]))
 
-        return board_map, directions, start_pos
+        return board, directions, start_pos
 
     def part1(self) -> Any:
-        board_map, directions, start_position = self.get_map_and_directions()
-        finish, face = walk(board_map, start_position, directions)
+        board, directions, start_position = self.get_map_and_directions()
+        finish, face = walk(board, start_position, directions)
         return get_password_from_coord(finish, face)
 
     def part2(self) -> Any:
-        board_map, directions, start_position = self.get_map_and_directions()
-        conn = identify_cube(board_map)
-        for x in board_map.rangeX():
-            c = Coordinate(x, 0)
-            if board_map.get(c) is not None:
-                start_position = c
-                break
-        print(board_map.minX, board_map.minY, board_map.maxX, board_map.maxY)
-        print(start_position)
-        print(board_map.get(Coordinate(4, 0)))
-        print(conn)
-        board_map.print(true_char='.')
-        finish, face = walk(board_map, start_position, directions, 0, conn)
-        print(finish, face)
-        print(get_password_from_coord(finish, face))
+        board, directions, start_position = self.get_map_and_directions()
+        board.shift(shift_x=1, shift_y=1)
+        start_position += Coordinate(1, 1, 0)
+        fold(board, start_position)
+        finish, face = cube_walk(board, Coordinate(1, 1, 0), directions)
+
+        orig_board, _, _ = self.get_map_and_directions()
+        c_size = 4 if orig_board.maxX < 50 else 50  # account for test case
+        for x in range(0, orig_board.maxX + 1, c_size):
+            for y in range(0, orig_board.maxY + 1, c_size):
+                check_pos = finish - Coordinate(1, 1, 0)
+                check_face = face
+                sub_board = orig_board.sub_grid(x, y, x + c_size - 1, y + c_size - 1, 0, 0)
+                if len(sub_board.getActiveCells()) == 0:
+                    continue
+                check_board = board.sub_grid(1, 1, c_size, c_size, 0, 0)
+                for _ in range(2):
+                    for _ in range(4):
+                        check_board.transform(GridTransformation.ROTATE_Z)
+                        check_pos = Coordinate(-check_pos.y + sub_board.maxY, check_pos.x, 0)
+                        check_face = (check_face + 1) % 4
+                        if sub_board == check_board:
+                            check_pos += Coordinate(x, y, 0)
+                            return get_password_from_coord(check_pos, check_face)
+
+                    check_board.transform(GridTransformation.FLIP_X)
+                    check_pos = Coordinate(abs(check_pos.x - c_size + 1), check_pos.y, 0)
+                    check_face = (check_face + 2) % 4
+
         return ""
 
 

day23.py

@@ -52,16 +52,18 @@ class Day(AOCDay):
         [
             (25, "input23_test_small"),
             (110, "input23_test"),
+            (4070, "input23_dennis"),
             (3766, "input23"),
         ],
         [
             (20, "input23_test"),
+            (881, "input23_dennis"),
             (954, "input23"),
         ]
     ]
 
     def part1(self) -> Any:
-        map = Grid.from_str("/".join(self.getInput()), true_char='#')
+        map = Grid.from_str("/".join(self.getInput()), translate={'#': True, '.': False})
 
         for i in range(10):
             if not move_elfs(map, i):
@@ -71,7 +73,7 @@ class Day(AOCDay):
         return (map.maxX - map.minX + 1) * (map.maxY - map.minY + 1) - map.getOnCount()
 
     def part2(self) -> Any:
-        map = Grid.from_str("/".join(self.getInput()), true_char='#')
+        map = Grid.from_str("/".join(self.getInput()), translate={'#': True, '.': False})
         round = 0
 
         while move_elfs(map, round):

day24.py

@@ -0,0 +1,109 @@
+from heapq import heappush, heappop
+from tools.aoc import AOCDay
+from tools.coordinate import Coordinate
+from tools.grid import Grid
+from typing import Any
+
+
+def expand_valley(valley: Grid, to_z: int) -> None:
+    while valley.maxZ <= to_z:
+        for blizzard_pos in valley.getActiveCells(z=valley.maxZ):
+            for blizzard in valley.get(blizzard_pos):
+                next_pos = blizzard_pos + blizzard
+                if next_pos.x < 0:
+                    next_pos = Coordinate(valley.maxX, next_pos.y, next_pos.z)
+                elif next_pos.x > valley.maxX:
+                    next_pos = Coordinate(0, next_pos.y, next_pos.z)
+                elif next_pos.y < 0:
+                    next_pos = Coordinate(next_pos.x, valley.maxY, next_pos.z)
+                elif next_pos.y > valley.maxY:
+                    next_pos = Coordinate(next_pos.x, 0, next_pos.z)
+
+                if not valley.get(next_pos):
+                    valley.set(next_pos, [blizzard])
+                else:
+                    valley.get(next_pos).append(blizzard)
+
+
+def get_min_steps(valley: Grid, pos: Coordinate, target: Coordinate) -> int:
+    check_list = [
+        Coordinate(1, 0, 1),
+        Coordinate(-1, 0, 1),
+        Coordinate(0, 0, 1),
+        Coordinate(0, 1, 1),
+        Coordinate(0, -1, 1)
+    ]
+    q = []
+    heappush(q, (0, pos))
+    v = set()
+    while q:
+        _, cur_pos = heappop(q)
+        if cur_pos in v:
+            continue
+        v.add(cur_pos)
+
+        if cur_pos.z >= valley.maxZ:
+            expand_valley(valley, cur_pos.z + 1)
+
+        for c in check_list:
+            next_pos = cur_pos + c
+            if next_pos.x == target.x and next_pos.y == target.y:
+                return next_pos.z
+            if not valley.isWithinBoundaries(next_pos) and (next_pos.x != pos.x or next_pos.y != pos.y):
+                continue
+            if valley.get(next_pos):
+                continue
+            dist = abs(target.x - next_pos.x) + abs(target.y - next_pos.y)
+            heappush(q, (dist + next_pos.z, next_pos))
+
+    return -1
+
+
+class Day(AOCDay):
+    inputs = [
+        [
+            (18, "input24_test"),
+            (297, "input24_dennis"),
+            (269, "input24"),
+        ],
+        [
+            (54, "input24_test"),
+            (856, "input24_dennis"),
+            (825, "input24"),
+        ]
+    ]
+
+    def get_valley(self) -> Grid:
+        valley = Grid.from_str(
+            "/".join(self.getInput()),
+            translate={
+                '#': False,
+                '.': False,
+                '>': [Coordinate(1, 0, 1)],
+                '<': [Coordinate(-1, 0, 1)],
+                'v': [Coordinate(0, 1, 1)],
+                '^': [Coordinate(0, -1, 1)],
+            },
+            default=False,
+            mode3d=True
+        )
+        valley.shift_zero()
+
+        return valley
+
+    def part1(self) -> Any:
+        valley = self.get_valley()
+        return get_min_steps(valley, Coordinate(0, -1, 0), Coordinate(valley.maxX, valley.maxY + 1))
+
+    def part2(self) -> Any:
+        valley = self.get_valley()
+        start = Coordinate(0, -1, 0)
+        target = Coordinate(valley.maxX, valley.maxY + 1)
+        steps = get_min_steps(valley, start, target)
+        steps = get_min_steps(valley, Coordinate(target.x, target.y, steps), start)
+        return get_min_steps(valley, Coordinate(start.x, start.y, steps), target)
+
+
+if __name__ == '__main__':
+    day = Day(2022, 24)
+    day.run(verbose=True)

day25.py

@@ -0,0 +1,58 @@
+from tools.aoc import AOCDay
+from typing import Any
+
+
+def int2snafu(dec: int) -> str:
+    conv = "012=-0"
+    snafu = ""
+    power = 1
+    over = 0
+    while dec > 0:
+        c = dec % (5 ** power) + over
+        dec //= 5
+        if c > 2:
+            over = 1
+        else:
+            over = 0
+
+        snafu = conv[c] + snafu
+
+    return snafu
+
+
+def snafu2int(snafu: str) -> int:
+    dec = 0
+    for i, c in enumerate(snafu):
+        if c == '-':
+            val = -1
+        elif c == '=':
+            val = -2
+        else:
+            val = int(c)
+
+        dec += 5 ** (len(snafu) - i - 1) * val
+
+    return dec
+
+
+class Day(AOCDay):
+    inputs = [
+        [
+            ("2=-1=0", "input25_test"),
+            ("2==221=-002=0-02-000", "input25"),
+        ],
+        [
+            (None, "input25"),
+        ]
+    ]
+
+    def part1(self) -> Any:
+        return int2snafu(sum(snafu2int(c) for c in self.getInput()))
+
+    def part2(self) -> Any:
+        return ""
+
+
+if __name__ == '__main__':
+    day = Day(2022, 25)
+    day.run(verbose=True)

inputs/input23_dennis

@@ -0,0 +1,72 @@
+#.##......#...#.###......###.........####.##...#.###...####.#....#.#.#.#
+..#.###..##.##.#.#.....#.###..###.#..........#..#...##..####.#.#..#..##.
+#..#.###...##.....##.#.#####.#..##.....##...#.#.#....##.#..###.###....#.
+#.###...###.#.##.#..#..#.##..##...##.#..##..#.##.##....#######...#..#...
+....#.#.###...#.#..###.#.#..##....#####.#...##..#.#...##.##.....###..#.#
+..###.#.#..#####..##.##....###......##.##..####.#.###....######.#.#.##..
+#...###.##.##..###.####.####.#...###..##...#.#..#####.#...##...#..##..##
+##.####....###.#####..#.#.###.##.#...#..##.##.###..#...##.#.#..###...#..
+####...##..#..####...##.##..##.##..#.##.......#..#.##.#...###..######.##
+.#.##.#.###.##.##........####.#...#.##...##..##.....#..##.#.###...######
+#.......#...#####.#...#.###...####..####....##..###.##..##..######....#.
+.##.###..#....#.#.#####.###..#.##......#...##..##...#..#.##.#...##..#..#
+##.###......####.#..#####.....#..##.####.#.#....##...##.#.#.##...#.#.#..
+.#.##..###.#.......#..##.##.#.#.........#.##.##.......##....##..#..#....
+###..####.##..##..#....#..#..#.#.##..#........#...##.##.#.##...#.#...#.#
+..#.#####.#..###.#.##..#..#...#.#...#...#..##.#.#..##..#.#...####..#...#
+#...#####..#.####.#.##.##.#...##.#...#.....##.....#..#.###..#.#...#..#..
+.##########...#..#..#......#.###.#......#..#.#..#..#.#..#..#.#.###.#...#
+.##..#.##.###.#...##.#...#.##.#.##..##...#.#..#...#.....#.######..#.#.##
+.#.#.....###......#.#.##.#..#...#....##.#..#.###...#.....###.##.####..##
+..#..#.#...#.###..#..####....##.#........##..###..####....###..###.###..
+#..##.###.#.#..#..#.##....#...#.#.###..#.#.....###..##..#####...##.#..#.
+#.#......##.#.#.#.###.#.#...###..######.###.##.#.#....#####..#.#..###.##
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inputs/input24_dennis

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inputs/input24_test

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inputs/input25

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inputs/input25_test

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