Add day 5.

2022/day5.py

@@ -0,0 +1,43 @@
+# -*- encoding: utf-8 -*-
+
+import copy
+import sys
+
+blocks_s, moves_s = (part.splitlines() for part in sys.stdin.read().split("\n\n"))
+
+blocks: dict[str, list[str]] = {stack: [] for stack in blocks_s[-1].split()}
+
+# this codes assumes that the lines are regular, i.e., 4 characters per "crate" in the
+# form of '[X] ' (including the trailing space)
+#
+for block in blocks_s[-2::-1]:
+    for stack, index in zip(blocks, range(0, len(block), 4)):
+        crate = block[index + 1 : index + 2].strip()
+
+        if crate:
+            blocks[stack].append(crate)
+
+# part 1 - deep copy for part 2
+blocks_1 = copy.deepcopy(blocks)
+
+for move in moves_s:
+    _, count_s, _, from_, _, to_ = move.strip().split()
+
+    for _i in range(int(count_s)):
+        blocks_1[to_].append(blocks_1[from_].pop())
+
+# part 2
+blocks_2 = copy.deepcopy(blocks)
+
+for move in moves_s:
+    _, count_s, _, from_, _, to_ = move.strip().split()
+    count = int(count_s)
+
+    blocks_2[to_].extend(blocks_2[from_][-count:])
+    del blocks_2[from_][-count:]
+
+answer_1 = "".join(s[-1] for s in blocks_1.values())
+print(f"answer 1 is {answer_1}")
+
+answer_2 = "".join(s[-1] for s in blocks_2.values())
+print(f"answer 2 is {answer_2}")

2022/inputs/day5.txt

@@ -0,0 +1,512 @@
+        [Q] [B]         [H]
+    [F] [W] [D] [Q]     [S]
+    [D] [C] [N] [S] [G] [F]
+    [R] [D] [L] [C] [N] [Q]     [R]
+[V] [W] [L] [M] [P] [S] [M]     [M]
+[J] [B] [F] [P] [B] [B] [P] [F] [F]
+[B] [V] [G] [J] [N] [D] [B] [L] [V]
+[D] [P] [R] [W] [H] [R] [Z] [W] [S]
+ 1   2   3   4   5   6   7   8   9
+
+move 1 from 4 to 1
+move 2 from 4 to 8
+move 5 from 9 to 6
+move 1 from 1 to 3
+move 5 from 8 to 3
+move 1 from 1 to 5
+move 4 from 3 to 6
+move 14 from 6 to 2
+move 5 from 4 to 5
+move 7 from 7 to 2
+move 24 from 2 to 3
+move 13 from 3 to 2
+move 1 from 7 to 9
+move 1 from 9 to 5
+move 7 from 2 to 6
+move 3 from 1 to 7
+move 3 from 6 to 3
+move 2 from 7 to 1
+move 1 from 7 to 5
+move 2 from 2 to 6
+move 2 from 1 to 4
+move 9 from 5 to 1
+move 1 from 6 to 3
+move 4 from 5 to 4
+move 1 from 2 to 7
+move 4 from 6 to 2
+move 7 from 2 to 3
+move 2 from 2 to 6
+move 2 from 2 to 3
+move 2 from 5 to 4
+move 1 from 7 to 3
+move 4 from 6 to 7
+move 19 from 3 to 6
+move 3 from 7 to 4
+move 1 from 7 to 8
+move 1 from 8 to 1
+move 2 from 1 to 3
+move 10 from 3 to 2
+move 3 from 3 to 8
+move 1 from 3 to 9
+move 1 from 9 to 6
+move 11 from 6 to 8
+move 2 from 3 to 8
+move 6 from 4 to 3
+move 3 from 4 to 1
+move 7 from 2 to 8
+move 1 from 3 to 6
+move 6 from 8 to 5
+move 1 from 4 to 6
+move 9 from 6 to 9
+move 6 from 3 to 8
+move 1 from 3 to 5
+move 10 from 1 to 3
+move 11 from 8 to 7
+move 1 from 3 to 5
+move 1 from 1 to 8
+move 5 from 9 to 2
+move 1 from 6 to 3
+move 5 from 3 to 6
+move 1 from 3 to 5
+move 4 from 6 to 4
+move 1 from 5 to 9
+move 6 from 2 to 4
+move 2 from 2 to 9
+move 5 from 5 to 1
+move 2 from 1 to 7
+move 10 from 8 to 3
+move 1 from 8 to 6
+move 3 from 6 to 3
+move 6 from 4 to 2
+move 8 from 3 to 8
+move 3 from 4 to 8
+move 4 from 2 to 1
+move 3 from 5 to 3
+move 4 from 7 to 6
+move 2 from 9 to 3
+move 1 from 2 to 9
+move 1 from 2 to 3
+move 2 from 4 to 8
+move 1 from 7 to 9
+move 5 from 7 to 8
+move 2 from 7 to 3
+move 14 from 3 to 2
+move 3 from 9 to 5
+move 1 from 3 to 1
+move 1 from 7 to 4
+move 3 from 9 to 8
+move 7 from 8 to 9
+move 7 from 2 to 5
+move 2 from 3 to 7
+move 2 from 7 to 6
+move 16 from 8 to 9
+move 4 from 6 to 5
+move 1 from 2 to 5
+move 21 from 9 to 5
+move 3 from 9 to 3
+move 6 from 1 to 4
+move 1 from 1 to 9
+move 1 from 1 to 4
+move 2 from 6 to 3
+move 3 from 4 to 6
+move 3 from 4 to 8
+move 1 from 9 to 4
+move 2 from 4 to 6
+move 4 from 3 to 6
+move 1 from 3 to 4
+move 1 from 4 to 9
+move 1 from 9 to 8
+move 1 from 8 to 6
+move 6 from 2 to 1
+move 2 from 8 to 4
+move 6 from 1 to 8
+move 23 from 5 to 9
+move 1 from 4 to 7
+move 1 from 7 to 1
+move 22 from 9 to 7
+move 4 from 8 to 7
+move 1 from 5 to 2
+move 1 from 1 to 9
+move 2 from 8 to 4
+move 6 from 6 to 3
+move 2 from 9 to 5
+move 18 from 7 to 4
+move 18 from 4 to 5
+move 1 from 2 to 7
+move 1 from 8 to 4
+move 6 from 7 to 2
+move 5 from 4 to 5
+move 1 from 3 to 1
+move 1 from 7 to 2
+move 4 from 3 to 4
+move 1 from 3 to 4
+move 1 from 1 to 7
+move 1 from 5 to 8
+move 3 from 4 to 3
+move 3 from 3 to 8
+move 2 from 8 to 3
+move 2 from 4 to 8
+move 2 from 7 to 5
+move 1 from 7 to 9
+move 2 from 3 to 1
+move 1 from 9 to 7
+move 4 from 2 to 3
+move 1 from 8 to 9
+move 2 from 1 to 8
+move 2 from 2 to 4
+move 1 from 9 to 1
+move 4 from 6 to 8
+move 1 from 2 to 7
+move 1 from 4 to 7
+move 4 from 8 to 2
+move 1 from 4 to 3
+move 1 from 1 to 9
+move 4 from 8 to 1
+move 2 from 2 to 1
+move 3 from 3 to 9
+move 2 from 7 to 1
+move 32 from 5 to 1
+move 1 from 8 to 7
+move 6 from 5 to 1
+move 2 from 7 to 6
+move 1 from 9 to 5
+move 1 from 3 to 2
+move 1 from 5 to 9
+move 2 from 6 to 1
+move 1 from 3 to 7
+move 1 from 9 to 8
+move 36 from 1 to 4
+move 1 from 8 to 9
+move 5 from 4 to 9
+move 6 from 9 to 3
+move 2 from 2 to 9
+move 3 from 1 to 9
+move 1 from 3 to 2
+move 30 from 4 to 8
+move 1 from 7 to 5
+move 1 from 3 to 5
+move 3 from 3 to 4
+move 2 from 8 to 5
+move 3 from 9 to 8
+move 3 from 9 to 3
+move 19 from 8 to 6
+move 2 from 3 to 5
+move 3 from 4 to 3
+move 1 from 4 to 7
+move 8 from 1 to 8
+move 1 from 3 to 2
+move 1 from 7 to 6
+move 4 from 5 to 3
+move 1 from 1 to 7
+move 2 from 5 to 4
+move 1 from 9 to 4
+move 12 from 6 to 2
+move 1 from 7 to 8
+move 6 from 2 to 9
+move 3 from 6 to 7
+move 2 from 7 to 5
+move 6 from 2 to 3
+move 8 from 3 to 5
+move 5 from 6 to 8
+move 5 from 3 to 6
+move 1 from 9 to 4
+move 1 from 9 to 8
+move 5 from 5 to 9
+move 3 from 4 to 6
+move 1 from 4 to 9
+move 1 from 7 to 5
+move 1 from 3 to 5
+move 8 from 9 to 2
+move 3 from 9 to 6
+move 27 from 8 to 2
+move 10 from 6 to 9
+move 1 from 6 to 4
+move 1 from 4 to 9
+move 2 from 5 to 6
+move 5 from 5 to 3
+move 2 from 6 to 9
+move 5 from 3 to 2
+move 12 from 9 to 3
+move 5 from 3 to 1
+move 3 from 1 to 5
+move 1 from 9 to 8
+move 1 from 5 to 2
+move 1 from 2 to 1
+move 1 from 1 to 6
+move 1 from 5 to 3
+move 34 from 2 to 4
+move 8 from 3 to 9
+move 1 from 6 to 1
+move 1 from 8 to 5
+move 4 from 2 to 8
+move 3 from 8 to 7
+move 1 from 7 to 2
+move 7 from 9 to 8
+move 1 from 9 to 6
+move 2 from 5 to 1
+move 1 from 6 to 9
+move 1 from 9 to 5
+move 2 from 2 to 5
+move 5 from 8 to 6
+move 2 from 8 to 5
+move 1 from 1 to 3
+move 12 from 4 to 6
+move 2 from 7 to 1
+move 4 from 1 to 6
+move 3 from 2 to 3
+move 1 from 8 to 5
+move 1 from 2 to 6
+move 1 from 1 to 9
+move 1 from 9 to 5
+move 16 from 4 to 1
+move 4 from 3 to 1
+move 8 from 1 to 8
+move 1 from 4 to 1
+move 6 from 5 to 8
+move 1 from 5 to 7
+move 12 from 6 to 9
+move 7 from 1 to 5
+move 2 from 1 to 7
+move 1 from 7 to 1
+move 9 from 9 to 6
+move 15 from 6 to 2
+move 2 from 9 to 7
+move 4 from 4 to 5
+move 2 from 2 to 9
+move 3 from 7 to 5
+move 2 from 1 to 3
+move 1 from 7 to 1
+move 10 from 2 to 3
+move 6 from 8 to 6
+move 3 from 9 to 2
+move 14 from 5 to 6
+move 1 from 8 to 4
+move 5 from 8 to 2
+move 2 from 2 to 3
+move 24 from 6 to 1
+move 3 from 1 to 2
+move 9 from 2 to 9
+move 1 from 4 to 3
+move 1 from 4 to 2
+move 1 from 8 to 4
+move 23 from 1 to 4
+move 3 from 2 to 4
+move 2 from 1 to 2
+move 1 from 8 to 4
+move 3 from 3 to 5
+move 3 from 3 to 4
+move 3 from 5 to 8
+move 3 from 2 to 7
+move 2 from 3 to 8
+move 15 from 4 to 3
+move 2 from 4 to 1
+move 19 from 3 to 9
+move 1 from 7 to 2
+move 1 from 2 to 5
+move 1 from 5 to 4
+move 1 from 7 to 6
+move 1 from 7 to 4
+move 3 from 8 to 3
+move 1 from 8 to 4
+move 5 from 3 to 8
+move 1 from 3 to 6
+move 22 from 9 to 2
+move 17 from 2 to 6
+move 3 from 9 to 3
+move 9 from 4 to 9
+move 6 from 4 to 9
+move 5 from 2 to 6
+move 1 from 4 to 2
+move 1 from 4 to 9
+move 1 from 1 to 6
+move 19 from 9 to 2
+move 4 from 8 to 7
+move 1 from 1 to 5
+move 1 from 5 to 3
+move 1 from 8 to 1
+move 1 from 8 to 2
+move 4 from 3 to 7
+move 12 from 6 to 1
+move 3 from 7 to 3
+move 7 from 2 to 7
+move 9 from 2 to 6
+move 4 from 2 to 6
+move 13 from 1 to 4
+move 8 from 6 to 4
+move 16 from 4 to 8
+move 12 from 7 to 6
+move 3 from 8 to 3
+move 1 from 1 to 2
+move 4 from 3 to 8
+move 5 from 8 to 9
+move 27 from 6 to 8
+move 2 from 3 to 7
+move 2 from 2 to 8
+move 2 from 7 to 5
+move 1 from 5 to 9
+move 1 from 5 to 1
+move 1 from 6 to 9
+move 2 from 6 to 2
+move 2 from 2 to 6
+move 2 from 9 to 2
+move 3 from 4 to 3
+move 1 from 1 to 9
+move 5 from 9 to 8
+move 1 from 9 to 5
+move 2 from 2 to 6
+move 2 from 4 to 6
+move 1 from 3 to 7
+move 1 from 5 to 6
+move 1 from 6 to 7
+move 6 from 6 to 8
+move 2 from 7 to 5
+move 2 from 3 to 2
+move 34 from 8 to 1
+move 1 from 5 to 6
+move 1 from 5 to 3
+move 1 from 6 to 1
+move 32 from 1 to 8
+move 23 from 8 to 4
+move 1 from 2 to 1
+move 24 from 8 to 4
+move 1 from 3 to 6
+move 47 from 4 to 6
+move 2 from 6 to 1
+move 3 from 1 to 5
+move 1 from 2 to 1
+move 3 from 5 to 7
+move 21 from 6 to 2
+move 3 from 7 to 8
+move 2 from 1 to 6
+move 8 from 6 to 4
+move 4 from 8 to 9
+move 3 from 2 to 8
+move 4 from 4 to 2
+move 2 from 2 to 5
+move 4 from 9 to 8
+move 2 from 1 to 5
+move 11 from 6 to 1
+move 14 from 2 to 6
+move 2 from 4 to 3
+move 1 from 2 to 9
+move 3 from 2 to 9
+move 20 from 6 to 5
+move 2 from 4 to 2
+move 4 from 9 to 1
+move 8 from 8 to 9
+move 1 from 6 to 9
+move 14 from 5 to 2
+move 10 from 2 to 7
+move 7 from 9 to 6
+move 1 from 6 to 8
+move 6 from 2 to 6
+move 1 from 2 to 5
+move 1 from 3 to 5
+move 9 from 6 to 3
+move 1 from 5 to 2
+move 9 from 7 to 3
+move 12 from 3 to 2
+move 9 from 5 to 9
+move 1 from 8 to 6
+move 3 from 3 to 5
+move 1 from 7 to 6
+move 14 from 2 to 6
+move 3 from 9 to 7
+move 6 from 1 to 2
+move 5 from 1 to 8
+move 10 from 6 to 9
+move 4 from 5 to 6
+move 3 from 2 to 4
+move 9 from 9 to 7
+move 1 from 8 to 7
+move 3 from 9 to 6
+move 3 from 3 to 7
+move 1 from 5 to 1
+move 15 from 7 to 1
+move 2 from 8 to 5
+move 2 from 5 to 4
+move 1 from 7 to 4
+move 1 from 3 to 1
+move 15 from 6 to 7
+move 2 from 4 to 9
+move 3 from 4 to 7
+move 18 from 1 to 6
+move 1 from 8 to 9
+move 6 from 9 to 7
+move 3 from 6 to 8
+move 1 from 1 to 2
+move 2 from 9 to 5
+move 2 from 2 to 9
+move 16 from 6 to 3
+move 15 from 3 to 7
+move 2 from 8 to 4
+move 1 from 3 to 7
+move 3 from 4 to 9
+move 2 from 1 to 9
+move 26 from 7 to 4
+move 1 from 2 to 1
+move 7 from 9 to 8
+move 1 from 2 to 5
+move 2 from 5 to 2
+move 8 from 7 to 5
+move 1 from 7 to 3
+move 1 from 3 to 9
+move 2 from 2 to 7
+move 1 from 6 to 4
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+move 6 from 7 to 9
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+move 4 from 8 to 9
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+move 8 from 4 to 6
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+move 3 from 5 to 2
+move 2 from 4 to 3
+move 1 from 7 to 9
+move 2 from 3 to 5
+move 4 from 6 to 9
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+move 36 from 9 to 4
+move 2 from 5 to 3
+move 3 from 2 to 1
+move 3 from 1 to 4
+move 14 from 4 to 1
+move 1 from 8 to 5
+move 4 from 1 to 3
+move 5 from 9 to 5
+move 2 from 5 to 8
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+move 4 from 9 to 6
+move 3 from 5 to 8
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+move 2 from 9 to 7
+move 6 from 6 to 4
+move 1 from 1 to 3
+move 29 from 4 to 6
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+move 1 from 8 to 9
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+move 4 from 1 to 4
+move 1 from 8 to 4
+move 4 from 4 to 3
+move 15 from 6 to 8
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+move 1 from 7 to 9
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+move 3 from 6 to 7
+move 1 from 1 to 2
+move 4 from 7 to 6
+move 7 from 8 to 5
+move 1 from 8 to 4
+move 2 from 5 to 7
+move 1 from 2 to 4
+move 5 from 6 to 1
+move 4 from 3 to 2