Day 03 (minified)

day02/part2.min.py

@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 h,d,a=0,0,0
 for c,s in(x.strip().split()for x in open("input.txt")):v=int(s);h,d,a=(h+v,d+a*v,a)if c[0]=='f'else(h,d,a+(-v if c=='up'else v))
 print(h*d)

day03/part1.min.py

@@ -0,0 +1,2 @@
+#!/usr/bin/env python3
+from collections import Counter as o;g=int("".join((o(c).most_common(1)[0][0]for c in zip(*(x.strip()for x in open("input.txt"))))),2);print(g*(2**12-1^g))

day03/part2.min.py

@@ -0,0 +1,2 @@
+#!/usr/bin/env python3
+import collections as c;n=lambda w:(f:=lambda i,l:int(''.join(l),2) if i>11else f(i+1,[s for s in l if s[i]==(max if w else min)(map(lambda x:x[::-1],c.Counter(s[i] for s in l).items()))[1]]))(0,[x.strip()for x in open("input.txt")]);print(n(0)*n(1))