I have been trying to solve this problem for a while now but made no progress.↵
Can anybody help with TRENDGCD — Trending GCD at spoj.it is related to mobius function.↵
here is link to the problem https://www.spoj.com/problems/TRENDGCD/
Can anybody help with TRENDGCD — Trending GCD at spoj.it is related to mobius function.↵
here is link to the problem https://www.spoj.com/problems/TRENDGCD/