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kaskajp/aoc2023-1-2.py

Created December 2, 2023 07:52
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  1. kaskajp created this gist Dec 2, 2023.
    56 changes: 56 additions & 0 deletions aoc2023-1-2.py
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,56 @@
    words = ['1', '2', '3', '4', '5', '6', '7', '8', '9',
    'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine']

    numbers = {
    '1': '1',
    '2': '2',
    '3': '3',
    '4': '4',
    '5': '5',
    '6': '6',
    '7': '7',
    '8': '8',
    '9': '9',
    'one': '1',
    'two': '2',
    'three': '3',
    'four': '4',
    'five': '5',
    'six': '6',
    'seven': '7',
    'eight': '8',
    'nine': '9'
    }

    def get_match(list, input_string, first_last):
    for i in list:
    if i not in input_string:
    continue
    if first_last == 0:
    yield i, input_string.index(i)
    elif first_last == 1:
    yield i, input_string.rindex(i)

    total = 0

    with open('input2.txt', 'r') as file:
    for line in file:
    first_index = 999
    first_match = ''
    for word, position in get_match(words, line, 0):
    if position <= first_index:
    first_index = position
    first_match = word

    last_index = 0
    last_match = ''
    for word, position in get_match(words, line, 1):
    if position >= last_index:
    last_index = position
    last_match = word

    if first_match != "" and last_match != "":
    combinedNumber = int(numbers[first_match] + "" + numbers[last_match])
    total += combinedNumber

    print(total)