backtracking question based on strings, hackerrank challenge
- find lca of 2 values in a binary tree, only if the 2 values exist in the tree.
- battleship design. given the size of ships and the board, find when all the ships are destroyed, design a system (a class, functions, data structures)
- round by hiring manager- general questions
- how would you parse a JSON file. JSON file has nested elements
- round by product manager