1.1) What is Tree data structure?

A tree data structure is a hierarchical, non-linear data structure that organizes elements in a tree-like manner. It consists of nodes connected by edges, where each node contains data and…

C++ Heap or Priority Queues

A heap is a specialized binary tree-based data structure. It is a complete binary tree (all levels are completely filled except possibly the last one, which is filled from left…

std::queue C++

The Standard Template Library (STL) provides a queue container that implements a First-In-First-Out (FIFO) data structure. It is similar to a real-life queue where elements are inserted at the back…

std::stack (STL Stack class)

The STL (Standard Template Library) provides a generic and efficient implementation of the stack data structure through the std::stack class template.

Stack C++

A stack is an abstract data type (ADT) that follows the Last In, First Out (LIFO) principle. It is a collection of elements with two primary operations: push and pop.…

What is Linked List?

A linked list is a fundamental data structure in computer science used for storing and organizing a collection of elements called nodes. Unlike arrays, which use contiguous memory, linked lists…

Matrix C++

A Matrix is a two-dimensional array, representing a collection of elements arranged in rows and columns.

std::string C++

The std::string class provides many other useful member functions like erase(), replace(), compare(), etc., which offer extensive functionality for string manipulation and handling. Using std::string is recommended in C++ as…

C Interview Question and Answers (Part-C)

C programming language interview questions that cover topics like function pointers, structures, preprocessor directives, and usage of extern, const, volatile keywords.