**Round 1:**\n* [Skip Iterator](https://leetcode.com/discuss/interview-question/341818)\n\n**Round 2:**\n* You have a file which has user chat message. Fetch the k longest message.\nDiscuss about how you go with large file and discuss about various file streaming API you would use to efficiently design it.\n\n**Round 3:**\n* Given a string like `"I lovele etcode"` and a dictionary `{love, leet, code}`. Generate the possible dictionary words that can be formed from the given string . Expected output is `{love, leet, code}`.\n\n**Round 4:**\n* https://leetcode.com/problems/snapshot-array

Round 1:\n Skip Iterator\n\nRound 2:\n You have a file which has user chat message. Fetch the k longest message.\nDiscuss about how you go with large file and d