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41 lines
1.5 KiB
41 lines
1.5 KiB
lines = open('inputs/day1.txt').readlines()
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digit_names = ["one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
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replaced_names = ['o1e', 't2o', 't3e', 'f4r', 'f5e', 's6x', 's7n', 'e8h', 'n9e']
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def digits(lines):
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dgts= []
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for line in lines:
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numbers = ''
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for char in line:
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if char.isdigit():
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numbers += char
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break
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for char in line[::-1]:
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if char.isdigit():
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numbers += char
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break
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dgts.append(int(numbers))
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return dgts
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def transform_digits(lines):
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newlines = []
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for line in lines:
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indices = {}
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for idx, c in enumerate(digit_names):
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c_loc = line.find(c)
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if c_loc != -1:
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indices[str(c_loc)] = str(idx+1)
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if len(indices) == 0:
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newlines.append(line)
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else:
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first_index = sorted(indices)[0]
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first_number = replaced_names[int(indices[first_index])-1]
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first_digit_name = digit_names[int(indices[first_index])-1]
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second_index = sorted(indices)[-1]
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second_number = replaced_names[int(indices[second_index])-1]
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second_digit_name = digit_names[int(indices[second_index])-1]
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newlines.append(line.replace(first_digit_name, first_number).replace(second_digit_name, second_number))
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return newlines
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print(f'Part 1 Solution = {sum(digits(lines))}')
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print(f'Part 2 Solution = {sum(digits(transform_digits(lines)))}') |