I am gray coder and i just solved a div 1 A problem with 1600 rating.I just started competitive programming amonth now and i solved the problem in about 2 hours.Do you think this is an improvement sign or not here's the problem by the way. https://codeforces.com/contest/559/problem/A if you look at the editorial the solution is trivial but it was hard for me to think about it.