Jake Pullen
37 lines
1.4 KiB
Python
37 lines
1.4 KiB
Python
with open(r'D:\repos\advent_of_code\2022\day_3\input.txt', 'r') as file:
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input = file.read()
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test_input = '''vJrwpWtwJgWrhcsFMMfFFhFp
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jqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL
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PmmdzqPrVvPwwTWBwg
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wMqvLMZHhHMvwLHjbvcjnnSBnvTQFn
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ttgJtRGJQctTZtZT
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CrZsJsPPZsGzwwsLwLmpwMDw'''
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def task_1(file):
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# Iterate over rucksacks, separate each in half and find out the priority of the common item between both halves
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# using ASCII
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priority = 0
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for line in file.split('\n'):
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middle_index = int(len(line) / 2)
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common_items_set = set(line[:middle_index]).intersection(line[middle_index:])
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common_item = common_items_set.pop()
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ascii_start = 96 if common_item.islower() else 38
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priority += ord(common_item) - ascii_start
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print("Task 1 result: " + str(priority))
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task_1(input)
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def task_2(file):
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# group 3 lines together, find the common item between all 3 lines
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# using ASCII
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priority = 0
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#take the input and split it into groups of 3 lines
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lines = file.split('\n')
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grouped_lines = [lines[i:i + 3] for i in range(0, len(lines), 3)]
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for group in grouped_lines:
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common_items_set = set(group[0]).intersection(group[1], group[2])
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common_item = common_items_set.pop()
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ascii_start = 96 if common_item.islower() else 38
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priority += ord(common_item) - ascii_start
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print("Task 2 result: " + str(priority))
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task_2(input) |