I had initial screening round and asked to solve two questions during 45 mins. I was able to solve one question perfectly and for the second question I was able to solve using brute force but ran out of time to solve it optimally. I got a mail from HR saying that they need to do one more screening follow-up round. I have seen post regarding follow-up interview post onsite (viirtual) round but is it normal to have follow up interview post screening round ?