Reverse Linked List
Given the head of a singly linked list, reverse the list in-place and return the new head of the reversed…
What is Graph data structure?
A graph is a collection of nodes (vertices) and edges (connections) that represent pairwise relationships between nodes. Graphs are widely…
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…
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…
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…
What is Linked List?
A linked list is a fundamental data structure in computer science used for storing and organizing a collection of elements…
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…