Can anyone give me some problems about range GCD with adding updates?
and Hints about: https://www.codechef.com/KJSC2019/problems/RGCD (codechef — Range GCD) ?
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Auto comment: topic has been updated by AngryBaymax (previous revision, new revision, compare).
This problem can be solved using lazy propagation.
Another nice Problem on gcd queries
https://mirror.codeforces.com/contest/914/problem/D