2 lines
337 B
Python
2 lines
337 B
Python
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])
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