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Day 13 (minified version 7)

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Sebastian Seedorf
2020-12-13 20:43:40 +01:00
parent 3ae5af2674
commit ffe686f117
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day13/part2-minified.py
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import functools;import math;lcm=lambda a,b:abs(a*b)//math.gcd(a,b);merge=lambda a,b,x,y:(lcm(a,x),b)if b==y else merge(a,b+a*(max(-1,y-b-1)//a+1),x,y+x*(max(-1,b-y-1)//x+1));print(functools.reduce(lambda fn,fm:merge(*fn,*fm),((int(x),-idx)for idx,x in enumerate([x.strip()for x in open("input.txt")][1].split(','))if x!='x'),(1,0))[1])
import functools;import math;lcm=lambda a,b:abs(a*b)//math.gcd(a,b);m=lambda a,b,x,y:(lcm(a,x),b)if b==y else m(a,b+a*(max(-1,y-b-1)//a+1),x,y+x*(max(-1,b-y-1)//x+1));print(functools.reduce(lambda p,q:m(*p,*q),((int(x),-i)for i,x in enumerate([x.strip()for x in open("input.txt")][1].split(','))if x!='x'),(1,0))[1])