adventofcode/2022/02/part2.py
2022-12-02 09:41:56 +01:00

38 lines
540 B
Python

ahand = ("A", "B", "C")
bhand = ("X", "Y", "Z")
win_tbl = {
"A": "B",
"B": "C",
"C": "A",
}
defeats_tbl = {
"A": "C",
"B": "A",
"C": "B",
}
def load(filename):
with open(filename) as f:
t = 0
for l in f:
a, b = l.rstrip().split(" ")
if b == "X":
h = ahand.index(defeats_tbl[a]) + 1
t += h
elif b == "Y":
h = ahand.index(a) + 1
t += h + 3
elif b == "Z":
h = ahand.index(win_tbl[a]) + 1
t += h + 6
return t
assert load("demo.txt") == 12
t = load("data.txt")
print("Total points: ", t)