Had and interview for Sde 1 at amazon
1st round DSA question:
https://leetcode.com/problems/maximal-square/description/
https://leetcode.com/problems/merge-intervals/
2nd round DSA question
https://leetcode.com/problems/count-good-nodes-in-binary-tree/
https://leetcode.com/problems/sliding-window-maximum/
and some LP question at the end in each round