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Day 14 (minified)

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Sebastian Seedorf
2021-12-15 13:00:55 +01:00
parent de0a250ed9
commit c7bc2439a6
3 changed files with 10 additions and 9 deletions
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5
day14/part1.py
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@@ -16,9 +16,8 @@ combinations = Counter(first[a:a+2] for a in range(len(first)-1))
for _ in range(10):
combinations = {k: sum_val for k, v in repl.items() if (sum_val := sum(combinations.get(x, 0) for x in v)) > 0}
letters = ((l, cnt) for key, cnt in combinations.items() for l in key)
letters = ((key[0], cnt) for key, cnt in combinations.items())
letters = {k: sum(map(itemgetter(1), v)) for k, v in groupby(sorted(letters), itemgetter(0))}
letters[first[0]] += 1
letters[first[-1]] += 1
print((max(letters.values()) - min(letters.values())) // 2)
print(max(letters.values()) - min(letters.values()))