diff --git a/2020/day02.py b/2020/day02.py index 00d7958..89a25fe 100644 --- a/2020/day02.py +++ b/2020/day02.py @@ -1,10 +1,8 @@ import re ex = re.compile(r'(\d+)-(\d+) (\w): (.*)') +f = lambda i,j,c,s: (int(i), int(j), c, s) # Wish I could sneak this into the listcomp but can't think of a fun way to do that at present :( with open('input02', 'r') as file: - data = [ex.match(line).groups() for line in file.readlines()] + data = [f(*ex.match(line).groups()) for line in file.readlines()] -valid = [(int(i)<=s.count(c)<=int(j)) for i,j,c,s in data] -print(f'Part 1: {valid.count(True)}') - -valid2 = [(s[int(i)-1]==c)^(s[int(j)-1]==c) for i,j,c,s in data] # This is fragile, beware inputs that may have indices out of range! -print(f'Part 2: {valid2.count(True)}') +print(f'Part 1: {[(i<=s.count(c)<=j) for i,j,c,s in data].count(True)}') +print(f'Part 2: {[(s[i-1]==c)^(s[j-1]==c) for i,j,c,s in data].count(True)}') # This is fragile, beware inputs that may have indices out of range!