C++ Programs - Hard Articles

C++ Program For Determinant of a Matrix

What is the Determinant of a Matrix? The determinant of a Matrix is a special number that is defined only for square matrices (matrices that have… Read More

C Array Programs

C++

C++ Programs

DSA

Mathematical

Matrix

C++ Program to Copy the Contents of One Array Into Another in the Reverse Order

Given an array, the task is to copy these array elements into another array in reverse array.Examples: Input: array: 1 2 3 4 5 Output:… Read More

C++ Array Programs

C++

C++ Programs

C++ Program to Find the Minimum and Maximum Element of an Array

Given an array, write functions to find the minimum and maximum elements in it. Example: C++ // C++ program to find minimum (or maximum) element … Read More

C++ Array Programs

Arrays

C++

C++ Programs

DSA

Recursion

Searching

C++ Program To Add Two Binary Strings

Given two binary strings, return their sum (also a binary string).Example: Input: a = "11", b = "1" Output: "100" We strongly recommend you to… Read More

CPP Strings Programs

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C++ Programs

DSA

Mathematical

Strings

C++ Program to Rotate Matrix Elements

Given a matrix, clockwise rotate elements in it. Examples: Input: 1 2 3 4 5 6 7 8 9 Output: 4 1 2 7 5… Read More

C++ Array Programs

C++

C++ Programs

DSA

Matrix

C++ Program to Compare Paths of Two Files

As we are given two paths of two files, we have to compare these two paths and check whether they are equal or greater or… Read More

C++ File Programs

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C++ Programs

C++ Program to check if two Arrays are Equal or not

Given two arrays arr1[] and arr2[] of length N and M respectively, the task is to check if the two arrays are equal or not. … Read More

cpp-unordered_map

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C++ Programs

How to pass and return a 3-Dimensional Array in C++?

In C++ a 3-dimensional array can be implemented in two ways: Using array (static)Using vector (dynamic) Passing a static 3D array in a function: Using… Read More

interview-questions

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Arrays

C++ Programs

DSA

C++ Program to Rotate the matrix right by K times

Given a matrix of size N*M, and a number K. We have to rotate the matrix K times to the right side. Examples: Input : N… Read More

rotation

C++

C++ Programs

DSA

Matrix

C/C++ program to implement CHECKSUM

The Checksum is an error detection method that detected errors in data/message while it is transmitted from sender to receiver. This method is used by… Read More

C Programs

C++ Programs

Computer Networks

Kth smallest number in array formed by product of any two elements from two arrays

Given two sorted arrays A[] and B[] consisting of N and M integers respectively, the task is to find the Kth smallest number in the… Read More

Arrays

C++ Programs

Competitive Programming

Divide and Conquer

DSA

Searching

C++ Program For Reversing Alternate K Nodes In A Singly Linked List

Given a linked list, write a function to reverse every alternate k nodes (where k is an input to the function) in an efficient way.… Read More

Linked Lists

Reverse

C++

C++ Programs

DSA

Linked List

Shortest distance between given nodes in a bidirectional weighted graph by removing any K edges

Given a positive integer K and a weighted undirected connected graph of N nodes and E edges as an array Edges[] of the type {u,… Read More

DFS

Graph Traversals

min-heap

Backtracking

C++ Programs

DSA

Graph

Heap

Recursion

Tree

Add given timestamps by overloading + operator in C++ Time Class

In C++, we can make operators to work for user-defined classes. This means C++ has the ability to provide the operators with a special meaning… Read More

C++-Operator Overloading

CBSE - Class 12

C++ Programs

Implementing Sets Without C++ STL Containers

A Set is a collection of distinct elements. Elements cannot be modified once added. There are various operations associated with sets such as union, intersection,… Read More

Binary Search Tree

C++

C++ Programs

Data Structures

DSA

Programming Language

HTML Parser in C/C++

HTML Parser is a program/software by which useful statements can be extracted, leaving html tags (like <h1>, <span>, <p> etc) behind. Examples: Input: <h1>Geeks for… Read More

C Programs

C++ Programs

HTML

1st to Kth shortest path lengths from node 1 to N in given Graph

Given a directed and weighted graph of N nodes and M edges, the task is to find the 1st to Kth shortest path lengths from… Read More

BFS

priority-queue

Shortest Path

C++ Programs

Competitive Programming

DSA

Graph

Sorting

std::fstream::close() in C++

Files play an important role in programming. It allows storage of data permanently. The C++ language provides a mechanism to store the output of a… Read More

CPP-Functions

C++

C++ Programs

Check if a Binary String can be sorted in decreasing order by removing non-adjacent characters

Given a binary string S of size N, the task is to check if the binary string S can be sorted in decreasing order by… Read More

binary-string

C++

C++ Programs

DSA

Sorting

Strings

Enhanced Binary Exponential Backoff Algorithm for Fair Channel Access in Ad Hoc Networks

The Binary Exponential Backoff Algorithm prevents packet collisions during simultaneous access by randomizing moments at stations attempting to access the wireless channels. However, this randomization… Read More

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