Solve day 5

2022/05_stacks.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+import sys
+
+def parse(f):
+    stacks = [[] for i in range(9)]
+    moves = []
+
+    for line in f:
+        if line.startswith(' 1 '):
+            break
+        for i, crate in enumerate(line[1::4]):
+            if crate != ' ':
+                stacks[i].append(ord(crate))
+    for stack in stacks:
+        stack.reverse()
+
+    next(f)
+    for line in f:
+        num, src, dst = map(int, line.split()[1::2])
+        moves.append((num, src - 1, dst - 1))
+
+    return stacks, moves
+
+def move(stacks, moves, multipop):
+    for num, src, dst in moves:
+        popped = stacks[src][-num:]
+        del stacks[src][-num:]
+        if not multipop:
+            popped.reverse()
+        stacks[dst].extend(popped)
+    return ''.join(chr(stack[-1]) for stack in stacks)
+
+stacks, moves = parse(sys.stdin)
+print(move(list(map(list, stacks)), moves, False))
+print(move(stacks, moves, True))

2022/input/5

@@ -0,0 +1,512 @@
+                        [Z] [W] [Z]
+        [D] [M]         [L] [P] [G]
+    [S] [N] [R]         [S] [F] [N]
+    [N] [J] [W]     [J] [F] [D] [F]
+[N] [H] [G] [J]     [H] [Q] [H] [P]
+[V] [J] [T] [F] [H] [Z] [R] [L] [M]
+[C] [M] [C] [D] [F] [T] [P] [S] [S]
+[S] [Z] [M] [T] [P] [C] [D] [C] [D]
+ 1   2   3   4   5   6   7   8   9 
+
+move 3 from 9 to 6
+move 7 from 6 to 2
+move 1 from 1 to 5
+move 7 from 7 to 1
+move 3 from 9 to 7
+move 1 from 9 to 1
+move 1 from 7 to 2
+move 11 from 1 to 8
+move 9 from 8 to 2
+move 1 from 6 to 7
+move 3 from 7 to 3
+move 7 from 3 to 4
+move 9 from 8 to 7
+move 3 from 3 to 1
+move 2 from 5 to 2
+move 6 from 7 to 3
+move 1 from 1 to 7
+move 1 from 9 to 2
+move 1 from 5 to 3
+move 1 from 8 to 2
+move 2 from 7 to 5
+move 1 from 1 to 4
+move 3 from 5 to 8
+move 2 from 8 to 7
+move 1 from 8 to 9
+move 7 from 3 to 1
+move 8 from 2 to 5
+move 3 from 7 to 3
+move 1 from 5 to 1
+move 1 from 9 to 6
+move 1 from 7 to 4
+move 1 from 6 to 3
+move 1 from 7 to 1
+move 9 from 4 to 5
+move 8 from 1 to 2
+move 3 from 3 to 2
+move 1 from 1 to 6
+move 7 from 5 to 6
+move 1 from 1 to 5
+move 1 from 3 to 5
+move 21 from 2 to 3
+move 8 from 6 to 3
+move 5 from 4 to 9
+move 9 from 3 to 8
+move 17 from 3 to 5
+move 6 from 2 to 1
+move 2 from 9 to 1
+move 3 from 3 to 6
+move 3 from 2 to 5
+move 7 from 8 to 2
+move 3 from 6 to 9
+move 2 from 2 to 4
+move 1 from 2 to 6
+move 2 from 2 to 6
+move 2 from 6 to 5
+move 1 from 6 to 1
+move 2 from 2 to 7
+move 1 from 8 to 2
+move 4 from 9 to 1
+move 4 from 1 to 6
+move 1 from 8 to 5
+move 3 from 6 to 9
+move 1 from 9 to 1
+move 2 from 9 to 2
+move 4 from 4 to 5
+move 1 from 7 to 8
+move 1 from 7 to 5
+move 8 from 1 to 8
+move 1 from 1 to 9
+move 1 from 6 to 8
+move 2 from 2 to 6
+move 1 from 1 to 3
+move 1 from 2 to 5
+move 1 from 3 to 4
+move 3 from 9 to 4
+move 4 from 4 to 1
+move 29 from 5 to 1
+move 2 from 6 to 3
+move 2 from 3 to 5
+move 2 from 5 to 9
+move 7 from 8 to 1
+move 3 from 8 to 6
+move 6 from 1 to 6
+move 2 from 9 to 8
+move 2 from 5 to 3
+move 3 from 5 to 6
+move 2 from 5 to 6
+move 1 from 5 to 1
+move 2 from 3 to 9
+move 1 from 8 to 6
+move 1 from 8 to 3
+move 1 from 3 to 5
+move 5 from 1 to 5
+move 5 from 6 to 2
+move 25 from 1 to 9
+move 9 from 9 to 3
+move 7 from 6 to 8
+move 9 from 5 to 9
+move 2 from 6 to 5
+move 6 from 9 to 7
+move 1 from 6 to 8
+move 3 from 2 to 1
+move 3 from 8 to 1
+move 5 from 9 to 6
+move 3 from 9 to 1
+move 4 from 6 to 9
+move 2 from 7 to 4
+move 1 from 4 to 1
+move 1 from 6 to 2
+move 7 from 1 to 6
+move 1 from 9 to 8
+move 9 from 3 to 9
+move 5 from 1 to 7
+move 1 from 5 to 7
+move 3 from 1 to 7
+move 3 from 6 to 7
+move 8 from 9 to 1
+move 3 from 7 to 3
+move 1 from 5 to 6
+move 3 from 1 to 7
+move 4 from 1 to 4
+move 2 from 8 to 5
+move 1 from 4 to 2
+move 3 from 2 to 7
+move 2 from 6 to 4
+move 1 from 1 to 2
+move 18 from 7 to 5
+move 1 from 7 to 5
+move 1 from 2 to 3
+move 4 from 5 to 9
+move 1 from 2 to 1
+move 2 from 3 to 9
+move 2 from 3 to 4
+move 2 from 6 to 5
+move 1 from 8 to 3
+move 4 from 9 to 7
+move 1 from 1 to 9
+move 3 from 5 to 2
+move 2 from 8 to 6
+move 2 from 6 to 1
+move 5 from 5 to 7
+move 7 from 9 to 7
+move 11 from 5 to 9
+move 3 from 7 to 6
+move 6 from 4 to 9
+move 5 from 7 to 3
+move 6 from 3 to 6
+move 2 from 1 to 2
+move 2 from 4 to 9
+move 6 from 9 to 2
+move 1 from 7 to 5
+move 10 from 2 to 9
+move 4 from 9 to 4
+move 1 from 4 to 3
+move 31 from 9 to 3
+move 1 from 9 to 4
+move 6 from 3 to 8
+move 1 from 5 to 8
+move 5 from 6 to 4
+move 4 from 3 to 2
+move 1 from 4 to 6
+move 22 from 3 to 7
+move 6 from 4 to 7
+move 4 from 6 to 2
+move 8 from 8 to 1
+move 3 from 2 to 8
+move 2 from 1 to 9
+move 1 from 2 to 6
+move 3 from 2 to 5
+move 2 from 5 to 4
+move 2 from 6 to 4
+move 24 from 7 to 4
+move 1 from 7 to 4
+move 2 from 1 to 5
+move 2 from 9 to 6
+move 10 from 4 to 6
+move 3 from 1 to 6
+move 6 from 7 to 1
+move 2 from 2 to 3
+move 1 from 7 to 4
+move 2 from 8 to 4
+move 1 from 8 to 5
+move 4 from 5 to 2
+move 5 from 4 to 1
+move 2 from 7 to 8
+move 2 from 8 to 4
+move 5 from 6 to 3
+move 2 from 4 to 3
+move 1 from 7 to 5
+move 2 from 3 to 6
+move 1 from 5 to 1
+move 3 from 6 to 8
+move 11 from 4 to 3
+move 7 from 6 to 1
+move 3 from 8 to 1
+move 1 from 2 to 3
+move 2 from 6 to 9
+move 2 from 2 to 3
+move 3 from 4 to 3
+move 2 from 9 to 4
+move 1 from 6 to 3
+move 5 from 1 to 2
+move 2 from 4 to 3
+move 24 from 3 to 7
+move 3 from 3 to 9
+move 1 from 2 to 6
+move 1 from 2 to 5
+move 1 from 6 to 1
+move 4 from 2 to 1
+move 2 from 9 to 2
+move 1 from 2 to 4
+move 18 from 7 to 5
+move 1 from 2 to 1
+move 1 from 9 to 1
+move 2 from 5 to 7
+move 13 from 1 to 8
+move 3 from 4 to 9
+move 7 from 1 to 7
+move 13 from 7 to 6
+move 1 from 9 to 5
+move 3 from 4 to 3
+move 1 from 9 to 8
+move 3 from 1 to 3
+move 1 from 9 to 5
+move 2 from 1 to 4
+move 2 from 7 to 3
+move 4 from 3 to 1
+move 1 from 1 to 5
+move 9 from 6 to 7
+move 5 from 7 to 1
+move 2 from 4 to 1
+move 4 from 6 to 1
+move 3 from 5 to 3
+move 3 from 3 to 5
+move 7 from 1 to 6
+move 6 from 6 to 1
+move 1 from 6 to 8
+move 2 from 7 to 9
+move 2 from 1 to 5
+move 1 from 3 to 7
+move 7 from 5 to 9
+move 10 from 1 to 5
+move 8 from 8 to 4
+move 6 from 4 to 8
+move 1 from 4 to 1
+move 2 from 9 to 8
+move 2 from 1 to 3
+move 2 from 7 to 3
+move 1 from 7 to 8
+move 4 from 3 to 8
+move 1 from 3 to 2
+move 20 from 5 to 8
+move 1 from 2 to 4
+move 4 from 9 to 4
+move 4 from 4 to 5
+move 18 from 8 to 6
+move 3 from 9 to 6
+move 1 from 3 to 9
+move 10 from 8 to 7
+move 7 from 7 to 9
+move 7 from 8 to 5
+move 3 from 7 to 8
+move 6 from 5 to 1
+move 6 from 9 to 4
+move 1 from 9 to 6
+move 1 from 3 to 6
+move 1 from 8 to 5
+move 1 from 9 to 4
+move 12 from 6 to 7
+move 5 from 7 to 1
+move 6 from 8 to 5
+move 1 from 5 to 1
+move 3 from 5 to 3
+move 8 from 4 to 9
+move 2 from 3 to 7
+move 4 from 7 to 2
+move 10 from 5 to 6
+move 11 from 1 to 6
+move 4 from 2 to 5
+move 1 from 3 to 8
+move 1 from 8 to 9
+move 1 from 4 to 7
+move 3 from 7 to 4
+move 1 from 1 to 6
+move 1 from 4 to 7
+move 1 from 7 to 1
+move 4 from 5 to 2
+move 3 from 7 to 1
+move 2 from 4 to 8
+move 20 from 6 to 8
+move 4 from 1 to 5
+move 2 from 5 to 2
+move 6 from 6 to 1
+move 5 from 1 to 8
+move 7 from 6 to 2
+move 6 from 9 to 7
+move 2 from 9 to 8
+move 2 from 7 to 4
+move 4 from 2 to 6
+move 3 from 5 to 8
+move 12 from 8 to 7
+move 1 from 4 to 3
+move 1 from 2 to 9
+move 1 from 9 to 2
+move 1 from 6 to 8
+move 1 from 3 to 1
+move 2 from 1 to 6
+move 1 from 4 to 2
+move 3 from 6 to 2
+move 2 from 5 to 7
+move 1 from 9 to 8
+move 6 from 2 to 4
+move 17 from 7 to 1
+move 10 from 1 to 7
+move 4 from 2 to 6
+move 10 from 7 to 8
+move 3 from 6 to 2
+move 4 from 4 to 1
+move 2 from 6 to 4
+move 4 from 2 to 6
+move 1 from 7 to 1
+move 2 from 4 to 3
+move 12 from 1 to 7
+move 5 from 6 to 3
+move 17 from 8 to 2
+move 4 from 3 to 8
+move 1 from 4 to 2
+move 20 from 8 to 7
+move 19 from 2 to 6
+move 7 from 6 to 3
+move 7 from 3 to 5
+move 2 from 5 to 7
+move 4 from 6 to 9
+move 1 from 4 to 2
+move 1 from 2 to 1
+move 2 from 3 to 6
+move 1 from 2 to 6
+move 1 from 3 to 1
+move 4 from 6 to 2
+move 1 from 5 to 9
+move 7 from 7 to 3
+move 7 from 3 to 8
+move 5 from 8 to 1
+move 2 from 8 to 3
+move 1 from 2 to 1
+move 3 from 5 to 6
+move 1 from 3 to 9
+move 2 from 9 to 2
+move 8 from 1 to 7
+move 3 from 7 to 6
+move 2 from 2 to 4
+move 21 from 7 to 3
+move 10 from 3 to 1
+move 2 from 9 to 2
+move 7 from 3 to 4
+move 3 from 3 to 7
+move 4 from 2 to 3
+move 3 from 7 to 8
+move 1 from 3 to 6
+move 1 from 3 to 2
+move 4 from 7 to 9
+move 10 from 1 to 6
+move 1 from 5 to 9
+move 6 from 7 to 2
+move 24 from 6 to 5
+move 2 from 8 to 4
+move 1 from 8 to 6
+move 2 from 2 to 9
+move 5 from 2 to 7
+move 1 from 2 to 9
+move 11 from 4 to 1
+move 3 from 3 to 2
+move 4 from 9 to 7
+move 1 from 1 to 5
+move 1 from 6 to 1
+move 5 from 1 to 9
+move 5 from 9 to 7
+move 5 from 7 to 5
+move 23 from 5 to 2
+move 5 from 7 to 8
+move 6 from 5 to 6
+move 1 from 3 to 7
+move 1 from 5 to 7
+move 6 from 7 to 8
+move 3 from 6 to 1
+move 2 from 8 to 7
+move 4 from 2 to 1
+move 4 from 8 to 5
+move 7 from 2 to 3
+move 1 from 7 to 4
+move 1 from 4 to 7
+move 4 from 3 to 8
+move 6 from 1 to 9
+move 4 from 8 to 6
+move 3 from 1 to 5
+move 3 from 8 to 5
+move 1 from 1 to 8
+move 3 from 9 to 1
+move 3 from 6 to 7
+move 1 from 7 to 9
+move 3 from 8 to 3
+move 8 from 5 to 7
+move 11 from 2 to 8
+move 5 from 8 to 3
+move 1 from 8 to 7
+move 10 from 3 to 4
+move 2 from 5 to 8
+move 3 from 9 to 2
+move 1 from 9 to 6
+move 7 from 2 to 7
+move 6 from 9 to 4
+move 1 from 8 to 5
+move 3 from 6 to 8
+move 1 from 5 to 3
+move 2 from 3 to 1
+move 6 from 1 to 3
+move 13 from 7 to 5
+move 16 from 4 to 3
+move 2 from 1 to 5
+move 5 from 5 to 4
+move 11 from 3 to 4
+move 2 from 7 to 1
+move 7 from 3 to 1
+move 2 from 8 to 3
+move 8 from 1 to 9
+move 12 from 4 to 8
+move 1 from 1 to 4
+move 2 from 6 to 2
+move 3 from 7 to 8
+move 2 from 4 to 6
+move 5 from 8 to 1
+move 3 from 7 to 5
+move 6 from 5 to 7
+move 2 from 2 to 5
+move 1 from 4 to 9
+move 5 from 1 to 8
+move 6 from 3 to 1
+move 7 from 5 to 7
+move 7 from 9 to 2
+move 1 from 6 to 7
+move 1 from 1 to 9
+move 2 from 5 to 3
+move 2 from 9 to 6
+move 13 from 7 to 3
+move 2 from 6 to 1
+move 1 from 9 to 2
+move 16 from 8 to 7
+move 6 from 8 to 5
+move 3 from 2 to 5
+move 4 from 2 to 1
+move 3 from 1 to 8
+move 2 from 8 to 9
+move 1 from 8 to 7
+move 1 from 2 to 1
+move 8 from 3 to 1
+move 1 from 4 to 5
+move 1 from 6 to 3
+move 2 from 9 to 7
+move 5 from 1 to 4
+move 15 from 7 to 9
+move 11 from 9 to 3
+move 7 from 1 to 3
+move 2 from 1 to 6
+move 1 from 6 to 3
+move 2 from 4 to 5
+move 2 from 4 to 9
+move 7 from 5 to 9
+move 5 from 9 to 3
+move 1 from 1 to 6
+move 5 from 5 to 9
+move 1 from 4 to 8
+move 1 from 8 to 4
+move 3 from 7 to 4
+move 8 from 9 to 5
+move 1 from 6 to 4
+move 4 from 9 to 3
+move 1 from 9 to 3
+move 23 from 3 to 1
+move 12 from 1 to 2
+move 6 from 1 to 9
+move 5 from 9 to 7
+move 3 from 3 to 7
+move 6 from 4 to 3
+move 1 from 6 to 8
+move 6 from 1 to 2
+move 3 from 7 to 3
+move 3 from 2 to 5
+move 10 from 3 to 5
+move 1 from 1 to 8
+move 12 from 2 to 5
+move 3 from 2 to 9
+move 2 from 8 to 4
+move 13 from 5 to 1
+move 2 from 9 to 2
+move 2 from 1 to 3
+move 11 from 3 to 1
+move 2 from 2 to 1
+move 2 from 1 to 9
+move 16 from 1 to 7
+move 17 from 5 to 8
+move 1 from 1 to 2
+move 3 from 9 to 6