I gave my phone screening round was asked a question on strings quite straingth forward was able to come up with solution but did a small mistake while explaining time complexity interviewer asked again I relised my mistake and corrected myself then came the follow up questions I messed up for 10-20 mins then interviewer asked me to tell me what I was thinking I came up with most optimal solution which also answered his second follow up automatically he seemed a satisfied he said you just don't need to panic what you guys SH H LH ?

Similar to this https://leetcode.com/problems/group-anagrams/description/