Anybody solved this one??Your text to link here...

Your text to link here...Anyone solved this one??

Yesterday, I had participated in div 3 contest and solved one problem but I hadn't get any points nor it is showing in my contest section that I participated ? I wantto know why as first time I participated in div 3 contest

I am just a beginner in coding and participated in only two contests of codeforces.I can solve the first problem of div2 but can't be able to solve the rest.So what topics I should prepare for solving????plzz help