Infosys

Part 1 ⁠ ⁠Standard DSA question were being asked ⁠ ⁠First was a puzzle. Given an ATM which always outputs 1 100₹ note and remaining 2000,1000,500 and 100₹ notes, write a program that prints the min number of notes to create the said amount. ⁠ ⁠Second was a question based on two pointers, that I cannot remember. An example was given and dry run had to be done. ⁠ ⁠Third, merge two BST ⁠ ⁠Fourth, implement queue using two stack Part 2 ⁠ ⁠Introduce yourself ⁠ ⁠Questions related to JS ⁠ ⁠Async/await ⁠ ⁠Design patterns ⁠ ⁠How to implement singleton design pattern? ⁠ ⁠What are promises in JS? ⁠ ⁠Are promises an example of observer design pattern? Other panels were asking to code on leetcode, SQL queries, system designs such as design X.