Two leetcode question in 45 min, the interviewer asked me if saw this question before.

Q1: https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string/
Q2: https://leetcode.com/problems/powx-n/

the recuirter wil share with you link from
https://app.coderpad.io/

you need to prepare for Meta interview based on discuss link and based on country, most probably you will find some question asked before to candidates already shared here in leetcode discuss forum.