adventofcode/2020/06/main.py
2022-12-02 09:41:56 +01:00

37 lines
615 B
Python

from pprint import pprint
def load(filename):
with open(filename, "r", encoding="utf-8") as f:
rec = []
for line in f:
s = line.rstrip()
if not s:
yield rec
rec = []
continue
rec.append(s)
yield rec
data = list(load("data.txt"))
# Anyone answered yes
nq = sum([len(set(c for r in rec for c in r)) for rec in data])
print(f"Sum of counts: {nq}")
# Everyone answered yes
a = 0
for grp in data:
resp = {}
for q in grp:
for c in q:
if c not in resp:
resp[c] = 0
resp[c] += 1
n = sum(1 for k, v in resp.items() if len(grp) == v)
a += n
print(f"Sum of everyone: {a}")