category

DSA.

Graph for Beginners | Problems and Patterns | Data Structures and Algorithms

Himanshu Ranjan
The number of questions are a lot and difficulty level of most of them are hard.
Don't flatter yourself completing every questions.
Take a few detours to other topics.

Github Solutions
Graph Problems : https://leetcode.com/list/9ftzxgem
DSU Union Find : https://leetcode.com/list/9ftztxv7

BFS & DFS problems

1....

21 reads

C++ STL Guide for online Coding Rounds | by devdad

Himanshu Ranjan

1. Vector

  • Intitalisation

    vector<int> v; /* Empty */
    vector<int> v( size ); /* Vector with size 'size' */
    vector<int> v( size, value ); /* Vector with size 'size' and all elements with value 'value' */
    
    
  • Basic Inbuilt Functionalities

    v.size(); /* Get size of vector */
    v.resize( size, value ); /* Fills the additional size of vector with value '...
    
6 reads

COMPLETED GUIDE ON BITWISE OPERATORS | DSA

Himanshu Ranjan
LET`S DISCUSS ABOUT BITWISE OPERATORS ,IF U READ THIS ARTICLE U WILL GET SOLID KNOWLEDGE IN BIT MANIPULATION.LET`S GET STARTED.
IT IS A LONG ARTICLE ,BUT IF YOU READ IT WITH PATIENCE IT WILL HELP A LOT.

What Is Binary Number System?
Ans)It Is a Numbering System Mainly Used In Computer Field,
Bcoz Computers Does Not Understand Human Language .
And It Only Understands Electrical Signal...
7 reads

How to get started with DSA and practice Leetcode Efficiently | by devdad

Himanshu Ranjan

This post is intended to guide you on how to practice leetcode problems efficiently. Getting an AC is not enough, efficient practice is way more than that. Real learning starts only after you got the first AC or TLE.

I want you to remember this image throughout your leetcode journey.
![image](https://assets.leetcode.com/users/images/395d87be-3fc1-436a-9b7e-cc781cac3f6e_1651737499.809321.jpeg...

17 reads

Journey from 6LPA to 45LPA in 2 years | Programming Motivation

Himanshu Ranjan

This is a post about how I lost way, found it back, and then went from 6 to 45+ LPA in two years, and from being called "just a QA" to a Senior Software Engineer and it is going to be a long one :D

![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAOEAAADhCAMAAAAJbSJIAAABgFBMVEX///8AAAA8WpovKStChvU1qFPqQzX6vAVieak3VpiuudEsT5UvUZWXpsX8/////v/7syE7XJkwfvPg6/zN0uHV2uYnSJX///slSZEsJSc5g/eWuPkuKSoyKCv...

27 reads