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Tag Archives: cpp-double-pointer

Prerequisite: Pointer in C and C++, Double Pointer (Pointer to Pointer) in CA pointer is used to point to a memory location of a variable.… Read More
NULL pointer in C At the very high level, we can think of NULL as a null pointer which is used in C for various… Read More
Prerequisite: Pointers vs References in C++. For clear understanding, let’s compare the usage of a “pointer to pointer” VS “Reference to pointer” in some cases.… Read More
Given a singly linked list, a position and an element, the task is to write a program to insert that element in a linked list… Read More
Given a singly linked list, delete all occurrences of a given key in it. For example, consider the following list.  Input: 2 -> 2 ->… Read More
Consider simple representation (without any dummy node) of Linked List. Functions that operate on such Linked lists can be divided into two categories: 1) Functions… Read More

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