2022-12-05 20:42:34 +10:30
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from helpers import *
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2022-12-05 16:28:03 +10:30
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with open('input/5', 'r') as file:
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input_stacks, _, input_orders = file.read().strip().partition('\n\n')
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2022-12-05 20:42:34 +10:30
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starting_stack_strings = {int(l[0]):l[1:] for l in transpose_array_of_strings(input_stacks.split('\n'), reverse_y=True, strip=' []') if len(l) > 0}
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order_numbers = lines_to_numbers(input_orders.split('\n'))
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2022-12-05 16:28:03 +10:30
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stacks = {k:[c for c in v] for k,v in starting_stack_strings.items()}
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for (num, source, dest) in order_numbers:
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2022-12-05 16:30:04 +10:30
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for i in range(num):
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2022-12-05 16:28:03 +10:30
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stacks[dest].append(stacks[source].pop())
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print('Part 1: ' + ''.join(s[-1] for s in stacks.values()))
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stacks = {k:[c for c in v] for k,v in starting_stack_strings.items()}
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for (num, source, dest) in order_numbers:
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stacks[dest] += stacks[source][-num:]
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stacks[source] = stacks[source][:-num]
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print('Part 2: ' + ''.join(s[-1] for s in stacks.values()))
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