I had the onsite interview. Let me just share the experience. Hopefully it can help LC folks who are preparing the fb interview.\n\nTechnical phone screen (1 hour):\n - two easy questions\n [Move zeros ](https://leetcode.com/problems/move-zeroes/)\n [Add binary](https://leetcode.com/problems/add-binary/)\n\nVirtual Onsite (4 rounds): \n1st round(45 mins)\n[Similar string group](https://leetcode.com/problems/similar-string-groups/)\n2nd round(45 mins)\n[Random Pick with Weight](https://leetcode.com/problems/random-pick-with-weight/)\n[Account Merge](https://leetcode.com/problems/accounts-merge/)\n3rd round(45 mins)\nSysteme design:design a live comment feature on top of existing comment system.\n4th round(45 mins)\nBehavior questions\n\nYOE: 7 years\nPosition: E5 \nLocation: East Coast\nDate: Feb, 2021\n\n\nApperently, facebook interviewers love LC so much. But they literally give you short time to solve one hard/two medium in 45 mins. So you have to be very very fast. I can have good solution to the problems, I can\'t finish coding part fast enough though.\n\nI still have a long way to go. I wish I could\'ve done better so I will not give it up and continue trying. Good luck with all of you. \n\n

I had the onsite interview. Let me just share the experience. Hopefully it can help LC folks who are preparing the fb interview.\n\nTechnical phone screen (1 ho