AoC2020/02-2-1.py

def f(d,e,f):
 a,b=*map(int,d.split('-'))
 return (f[a-1]==e[0])^(f[b-1]==e[0])
print(sum(f(*x.split()) for x in open(0)))
Optimize 2-2 some more 2020-12-03 23:48:48 +00:00			`def f(d,e,f):`
			`a,b=*map(int,d.split('-'))`
			`return (f[a-1]==e[0])^(f[b-1]==e[0])`
Replace /dev/stdin with 0 2020-12-04 11:37:31 +00:00			`print(sum(f(*x.split()) for x in open(0)))`