C programming Pointers Aptitude Questions and Answers: In this section you will find C Aptitude Questions and Answers on Pointers topics, declaring pointers, using pointers, pointer with other c topics like pointer of array etc.1) What will be the output of following program ? 1 2 3 4 5 6...
A Binary Tree is a non-linear data structure. Every node in the tree has left and right pointers along with data. They are used in Binary Search Tree Implementation. Also, they are useful in storing records without taking up much space 30. What do you understand by Dynamic programming? Dy...
Pointers This section contains various C aptitude questions with answers on C language pointers, pointer to pointer, pointers declarations, accessing elements through pointers in C. Typedef This section contains various questions and answers on C language Typedef, data type creations through typedef (ren...
These pointers automatically perform QueryInterface instead of a cast and they handle AddRef and Release for you. Whether you should use them is largely a matter of taste. If your code contains lots of copying of interface pointers, with multiple AddRefs and Releases, then smart pointers can ...
What are all different types of pointers in C? What are all format specifiers in C? Why are they used? What is linked list? What value will be assigned to X below if p = 5? X = *p++; X = ++ *p; What is hashing? What is static variable? Can static variable be declared in ...
12. What is the difference between deep copy and shallow copy in C? In a shallow copy, if the object contains pointers or references to otherdata structures, then it will only copy the current pointer, not the data it is pointing to. It is more memory efficient but the data is shared...
What is the difference between actual and formal arguments in C? What is the difference between call by value and call by reference in C language? How to compare and typecast function pointers in C? How to implement your own sizeof operator in C?
This can be a little confusing. Functions that return pointers almost always return a valid pointer (one that doesn't compare equal to zero) on success, and a null pointer (one that compares equal to zero) pointer on failure. Other functions return an int to show success or failure; typic...
This set of C Multiple Choice Questions & Answers (MCQs) focuses on “Pointers and Arrays”. Pre-requisite for C Pointers and Arrays MCQ set: Video Tutorial on C Pointers. 1. What will be the output of the following C code?#include <stdio.h> void main() { int a[3] = {1, 2, ...
Inserting: Once you have located the position where you want to insert, you will adjust the pointers in a way such that your previous node which is the node containing 5, will have the next pointer pointing to the new node containing 6.You then need to point the next pointer of your ne...