Phone screen : https://leetcode.com/discuss/post/6560544/meta-e5-phone-screen-passed-by-anonymous-30p2/

Round 1 (DSA)

Q1: https://leetcode.com/problems/merge-sorted-array/description/ 

size of first array is n+m, where n is the size of elemetns in first array and m is size of elements in second array

Q2: https://leetcode.com/problems/minimum-remove-to-make-valid-parentheses/description/ 

I solved both questions within 25 minutes. The interviewer then asked a follow-up question on the second problem.

Round 2 (DSA)

Q1: https://leetcode.com/problems/palindrome-linked-list/description/

Q2: https://leetcode.com/problems/kth-missing-positive-number/description/ (I solved this problem two days before my onsite interview as part of LeetCode's daily challenge)

Round 3 (Product Architecture Design): This round focused on designing a coding platform like leetcode, with major discussions around supporting multiple concurrent competitions.

Round 4 (Behavioral): This is the most crucial round at Meta. You need to be 100% confident in the stories you present. Avoid fabricating experiences—they can easily detect inconsistencies.