Pregunta de entrevista de Keywordio

1. What are the differences between references and pointers? 2. What is Polymorphism? How is it supported by C++? 3. What is difference between i++ and ++i? 4. How will you print numbers from 1 to 100 without using loop? 5. What are C++ access specifiers ? 6. What are linear and non linear data Structures? 7. What is Stack and where it can be used? 8. Which data structures are used for BFS and DFS of a graph? 9. Write a program to convert a given Binary Tree to Doubly Linked List 10. Write a program to delete a node from the end of the singly linked list