**Round 1: [System Design]**\n* Design an online recipe system\n\n**Round 2:**\n* Talk with Hiring Manager\n\n**Lunch** with an employee (not an interview)\n\n**Round 3: [Coding]**\n* I didn\u2019t understand their question \u2026\n\n**Round 4: [Coding]**\n* Implement logic of searching and writing files in command line.\n\n**Round 5: [Coding]**\n* Merge two bst into one bst. The merged bst needs not to be balanced.\nhttps://leetcode.com/problems/merge-two-binary-trees\n\nEvery one of them asked a lot of behavioral questions.

Round 1: [System Design]\n Design an online recipe system\n\nRound 2:\n Talk with Hiring Manager\n\nLunch with an employee (not an interview)\n\nRound 3: [Codin