blob: 30efa9281f6a06dfbf7105d53b4b24e861ab1f45 (
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def priority(c):
if (ord(c) >= ord("a")):
return ord(c) - ord("a") + 1
else:
return ord(c) - ord("A") + 27
def same(x, y):
a = set()
for x1 in x:
if x1 in y:
a.add(x1)
return list(a)
def inlists(x, y):
isin = []
for x1 in x:
if all([x1 in y1 for y1 in y]):
isin.append(x1)
if len(isin) > 0:
return isin[0]
return None
with open("input") as f:
compartments = [line.strip() for line in f.readlines()]
points = 0
for i in range(0, len(compartments), 3):
group = compartments[i:i+3]
if len(group) == 3:
c = inlists(group[0], group[1:])
if c is not None:
points += priority(c)
print(points)
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