3 files changed, 629 insertions, 0 deletions

diff --git a/day5/__init__.py b/day5/__init__.py
new file mode 100644
index 0000000..a9aaba5
--- /dev/null
+++ b/day5/__init__.py
@@ -0,0 +1,108 @@
+# -*- coding: utf-8 -*-
+import re
+from abc import ABC
+from typing import Iterator, Any, TypedDict, Tuple, List
+from queue import LifoQueue
+
+from aoc import BaseAssignment
+
+move_regex = re.compile("^move (?P<amount>\d+) from (?P<start>\d+) to (?P<end>\d+)$")
+
+
+class Move(TypedDict):
+    amount: int
+    start: int
+    end: int
+
+
+class Assignment(BaseAssignment, ABC):
+    def parse_move(self, move: str) -> Move:
+        match = move_regex.match(move)
+        if match:
+            move = match.groupdict()
+            return Move(
+                amount=int(move["amount"]),
+                start=int(move["start"]),
+                end=int(move["end"]),
+            )
+
+    def parse_stacks(self, string_stacks: List[str]) -> List[LifoQueue]:
+        stacks = []
+        columns = string_stacks.pop().replace(" ", "")
+
+        for i in range(len(columns)):
+            stacks.append(LifoQueue())
+
+        for line in reversed(string_stacks):
+            for index, stack in enumerate(stacks):
+                item_index = (index * 4) + 1
+
+                try:
+                    item = line[item_index]
+                    if item != " ":
+                        stack.put(item)
+                except IndexError:
+                    pass
+
+        return stacks
+
+    def parse_input(self, input: Iterator) -> Tuple[List[LifoQueue], List[Move]]:
+        parsing_stacks = True
+        tmp_stacks = []
+        stacks = []
+        moves = []
+
+        for line in input:
+            if line == "":
+                parsing_stacks = False
+                stacks = self.parse_stacks(tmp_stacks)
+                continue
+
+            if parsing_stacks:
+                tmp_stacks.append(line)
+            else:
+                moves.append(self.parse_move(line))
+
+        return stacks, moves
+
+    def execute_moves(self, stacks: List[LifoQueue], moves: List[Move]):
+        raise NotImplementedError()
+
+    def run(self, input: Iterator) -> Any:
+        stacks, moves = self.parse_input(input)
+
+        self.execute_moves(stacks, moves)
+
+        return "".join([stack.get() for stack in stacks])
+
+
+class AssignmentOne(Assignment):
+    example_result = "CMZ"
+
+    def execute_moves(self, stacks: List[LifoQueue], moves: List[Move]):
+        for move in moves:
+            start = stacks[move["start"] - 1]
+            end = stacks[move["end"] - 1]
+
+            for _ in range(move["amount"]):
+                end.put(start.get())
+
+        return stacks
+
+
+class AssignmentTwo(Assignment):
+    example_result = "MCD"
+
+    def execute_moves(self, stacks: List[LifoQueue], moves: List[Move]):
+        for move in moves:
+            start = stacks[move["start"] - 1]
+            end = stacks[move["end"] - 1]
+
+            tmp_stack = LifoQueue()
+            for _ in range(move["amount"]):
+                tmp_stack.put(start.get())
+
+            while not tmp_stack.empty():
+                end.put(tmp_stack.get())
+
+        return stacks
diff --git a/day5/example.txt b/day5/example.txt
new file mode 100644
index 0000000..42ef47f
--- /dev/null
+++ b/day5/example.txt
@@ -0,0 +1,9 @@
+    [D]
+[N] [C]
+[Z] [M] [P]
+ 1   2   3
+
+move 1 from 2 to 1
+move 3 from 1 to 3
+move 2 from 2 to 1
+move 1 from 1 to 2
diff --git a/day5/input.txt b/day5/input.txt
new file mode 100644
index 0000000..54a285f
--- /dev/null
+++ b/day5/input.txt
@@ -0,0 +1,512 @@
+[F]         [L]     [M]
+[T]     [H] [V] [G] [V]
+[N]     [T] [D] [R] [N]     [D]
+[Z]     [B] [C] [P] [B] [R] [Z]
+[M]     [J] [N] [M] [F] [M] [V] [H]
+[G] [J] [L] [J] [S] [C] [G] [M] [F]
+[H] [W] [V] [P] [W] [H] [H] [N] [N]
+[J] [V] [G] [B] [F] [G] [D] [H] [G]
+ 1   2   3   4   5   6   7   8   9
+
+move 6 from 4 to 3
+move 5 from 8 to 9
+move 1 from 4 to 5
+move 1 from 4 to 5
+move 2 from 2 to 7
+move 2 from 1 to 6
+move 9 from 6 to 1
+move 12 from 3 to 5
+move 1 from 8 to 4
+move 3 from 1 to 5
+move 1 from 6 to 7
+move 10 from 5 to 2
+move 14 from 5 to 1
+move 8 from 7 to 9
+move 11 from 2 to 9
+move 1 from 3 to 9
+move 11 from 1 to 5
+move 2 from 1 to 9
+move 1 from 4 to 8
+move 6 from 1 to 5
+move 1 from 8 to 3
+move 16 from 5 to 1
+move 4 from 1 to 3
+move 1 from 5 to 6
+move 4 from 3 to 4
+move 1 from 6 to 7
+move 21 from 9 to 6
+move 2 from 1 to 9
+move 2 from 4 to 9
+move 5 from 9 to 4
+move 9 from 1 to 6
+move 6 from 4 to 6
+move 1 from 6 to 2
+move 1 from 7 to 6
+move 1 from 3 to 2
+move 8 from 6 to 9
+move 3 from 1 to 8
+move 1 from 2 to 1
+move 13 from 6 to 3
+move 1 from 1 to 9
+move 2 from 1 to 6
+move 3 from 8 to 4
+move 4 from 4 to 9
+move 3 from 1 to 3
+move 22 from 9 to 8
+move 1 from 2 to 9
+move 6 from 8 to 9
+move 15 from 6 to 5
+move 5 from 8 to 9
+move 11 from 9 to 8
+move 13 from 5 to 1
+move 1 from 6 to 5
+move 1 from 9 to 3
+move 21 from 8 to 3
+move 3 from 5 to 3
+move 11 from 1 to 2
+move 25 from 3 to 1
+move 5 from 1 to 7
+move 20 from 1 to 7
+move 1 from 6 to 7
+move 16 from 3 to 9
+move 8 from 9 to 6
+move 1 from 1 to 5
+move 5 from 9 to 4
+move 2 from 2 to 1
+move 2 from 9 to 4
+move 1 from 9 to 4
+move 1 from 8 to 4
+move 1 from 5 to 2
+move 3 from 4 to 6
+move 1 from 4 to 7
+move 9 from 7 to 6
+move 5 from 4 to 6
+move 7 from 7 to 2
+move 1 from 1 to 6
+move 11 from 2 to 5
+move 10 from 5 to 1
+move 1 from 6 to 8
+move 1 from 5 to 7
+move 24 from 6 to 1
+move 12 from 1 to 4
+move 12 from 4 to 8
+move 2 from 2 to 7
+move 3 from 7 to 2
+move 5 from 2 to 8
+move 9 from 8 to 9
+move 9 from 8 to 5
+move 1 from 9 to 1
+move 14 from 1 to 8
+move 11 from 7 to 9
+move 4 from 1 to 3
+move 7 from 1 to 2
+move 3 from 3 to 7
+move 12 from 9 to 7
+move 8 from 7 to 2
+move 4 from 9 to 2
+move 1 from 3 to 6
+move 5 from 5 to 9
+move 14 from 2 to 1
+move 8 from 9 to 4
+move 6 from 4 to 5
+move 5 from 5 to 7
+move 1 from 8 to 2
+move 2 from 4 to 6
+move 4 from 7 to 3
+move 10 from 8 to 4
+move 2 from 3 to 6
+move 7 from 7 to 6
+move 10 from 4 to 8
+move 5 from 1 to 6
+move 8 from 2 to 1
+move 7 from 6 to 8
+move 9 from 6 to 5
+move 16 from 1 to 6
+move 2 from 3 to 9
+move 1 from 7 to 4
+move 2 from 9 to 1
+move 14 from 6 to 7
+move 1 from 6 to 3