Posts by Himanshu Raj

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#### Adjacency Matrix representation of graph in C++

By Himanshu Raj

An adjacency matrix is a square matrix used to represent a finite graph. It is a way of representing a graph as a matrix of booleans (0’s and 1’s). The boolean value of.... Read More

#### Concept of Bit Manipulation using C++

By Himanshu Raj

Bit Manipulation is a very effective technique that is used to solve problems in optimized way. This technique is useful for competitive programming perspective. Bit Manipulation i.... Read More

#### Add 1 to a number represented as linked list in C++

By Himanshu Raj

In this post, we will learn how to add 1 to a number represented as linked list in C++. For example 4959 is represented as (4-> 9-> 5 -> 9->9) and adding 1 to it should.... Read More

#### How to sort an array using recursion in C++

By Himanshu Raj

In this post, we will learn how to sort an array using recursion in C++ programming. An array is a continuous memory block in which elements can be extracted sequentially. for exam.... Read More

#### How to find K-th symbol in Grammar using C++

By Himanshu Raj

In the problem, we build a table of n rows (1-indexed). We start by using writing zero within the 1st row. Now in every subsequent row, we observe the preceding row and replace eac.... Read More

#### Calculate Hamming Distance of two binary strings in C++

By Himanshu Raj

In this tutorial, we will learn how to calculate Hamming Distance of two binary strings in C++. Hamming distance is the number of bits positions in which two numbers differ while c.... Read More