adventofcode2022/day03/sol.py

32 lines
530 B
Python

import string
letters = string.ascii_lowercase + string.ascii_uppercase
data = []
t = 0
for line in open("input"):
data.append(line.strip())
for line in data:
n = len(line) // 2
a, b = line[:n], line[n:]
u = set(a) & set(b)
assert len(u) == 1
x = list(u)[0]
#print(x)
t += 1 + letters.index(x)
print(t)
t = 0
for i in range(0, len(data), 3):
a, b, c = map(set, data[i:i+3])
u = a & b & c
#print(u)
assert len(u) == 1
x = list(u)[0]
t += 1 + letters.index(x)
print(t)