My Advent of Code solutions in Python.
kevinyap.ca/2019/12/going-fast-in-advent-of-code/
advent-of-code
python
Update 2023/03
Simplify parsing by treating the '\n' as a non-digit char.
+3
-7
+3
-7
2023/day03.py
+3
-7
2023/day03.py
···
6
6
# Parse input.
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for y, line in enumerate(fileinput.input()):
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num = ''
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-
start = None
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-
for x, c in enumerate(line.strip()):
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-
if not c.isdigit() and c != '.':
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+
for x, c in enumerate(line):
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+
if not c.isdigit() and c != '.' and c != '\n':
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SYMBOLS[x, y] = c
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if c.isdigit():
···
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start = x
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num += c
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elif num:
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-
PARTS.append((int(num), y, start, x - 1))
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+
PARTS.append((int(num), y, x - len(num), x - 1))
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num = ''
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-
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-
if num:
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-
PARTS.append((int(num), y, start, x - 1))
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# Solve problem.
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part_1_seen = set()