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Day 19 (cleanup)

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Sebastian Seedorf
2020-12-19 13:07:01 +01:00
parent 86be05b9f1
commit 7e219104ec
2 changed files with 10 additions and 11 deletions
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1
day19/part1.py
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@@ -1,5 +1,4 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
import re
lines = (x.strip() for x in open("input.txt")) lines = (x.strip() for x in open("input.txt"))
rules = {} rules = {}

20
day19/part2.py
View File

@@ -1,5 +1,4 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
import re
lines = (x.strip() for x in open("input.txt")) lines = (x.strip() for x in open("input.txt"))
rules = {} rules = {}
@@ -15,19 +14,20 @@ def yield_rule(line, rule, depth):
def check(line, idx, depth=0): def check(line, idx, depth=0):
if depth <= 100: if depth > 100:
rs = rules[idx] return
if isinstance(rs, str): rs = rules[idx]
if line.startswith(rs): if isinstance(rs, str):
yield line[len(rs):] if line.startswith(rs):
else: yield line[len(rs):]
for rule in rules[idx]: else:
yield from yield_rule(line, rule, depth) for rule in rules[idx]:
yield from yield_rule(line, rule, depth)
sum = 0 sum = 0
for line in lines: for line in lines:
line = '11: 42 31 | 42 11 31' if line.startswith('11: ') else line line = '11: 42 31 | 42 11 31' if line.startswith('11:') else line
line = '8: 42 | 42 8' if line.startswith('8:') else line line = '8: 42 | 42 8' if line.startswith('8:') else line
if ":" in line: if ":" in line:
idx, r = line.split(": ") idx, r = line.split(": ")