```\nMS in CS + 3 years prior experience\nInterviewed for generic role \n\nRound 1 : LP + OO Design , a little challenging one related to searching for files in a directory\n\nRound 2 : LP + DS question on DP, never asked before in Amazon\n\nRound 3 : LP + DS question related to DFS, a standard amazon question\n\nRound 4 : LP + Easy system design question taken by senior TPM\n\n```

\nMS in CS + 3 years prior experience\nInterviewed for generic role \n\nRound 1 : LP + OO Design , a little challenging one related to searching for files in a 