Nice and kind interviewers.
Before the technical questions we had a short conversation to relieve the stress.
In each question, i get enough time to think, first sought the "quick" solution and then improved the solution by limiting the complications of time or space
Interview questions [1]
Question 1
1. Bild a B.tree from a sorted array
2. Finding in the array a maximum amount in sequence
3. Check if a B.tree is a BST