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RK

Rajan Kumar

Founder at HackersFriend Updated Nov. 19, 2019, 12:23 a.m. 3155 views

Efficient Method to Check if a Number is Multiple of 3

We are given a number and we want to check if the number is Multiple of 3 or not. The …


RK

Rajan Kumar

Founder at HackersFriend Updated Nov. 18, 2019, 11:44 p.m. 2154 views

DNA to Protein Converter using Python 3 and Django 2.1

DNA is present in every cell of human being. Informations gathered from DNA can be very usefule in crime investigations …


RK

Rajan Kumar

Founder at HackersFriend Updated Nov. 16, 2019, 12:56 p.m. 2333 views

Step by step guide to improve competitive programming skills

Competitive programming is art of understanding and problem solving. Machine Learning or Blockchain might be the next big thing, but …


RK

Rajan Kumar

Founder at HackersFriend Updated Nov. 13, 2019, 10:43 p.m. 3364 views

Implement a Dictionary using Trie

In this article I'll implement a dictionary using Trie Data Structure. We'll discusss implementation of a dictionary using Trie (memory …


RK

Rajan Kumar

Founder at HackersFriend Updated Nov. 9, 2019, 1:43 p.m. 1426 views

Range Trees

Range Trees are order data structures. They hold a list of points or nodes. They are used to answer queries …


RK

Rajan Kumar

Founder at HackersFriend Updated Oct. 19, 2019, 4:11 p.m. 9504 views

How to prepare for Google Kickstart – a CodeJam competition?

Google Kickstart, formerly known as APAC is a coding contest organized by Google to hire people who are looking to persue …


RK

Rajan Kumar

Founder at HackersFriend Updated Sept. 28, 2019, 2:29 p.m. 1316 views

HackersFriend Graduated from Y Combinator's Startup School

We are happy to announce that HackersFriend Graduated form Y combinator's Startup school. #SUS2019

https://www.startupschool.org/companies/HackersFriend …


RK

Rajan Kumar

Founder at HackersFriend Updated Aug. 17, 2019, 1:50 a.m. 1480 views

Find maximum occurring character in a string

Problem

You are given an string S, Your task is to find out the character whose occurance is most. If …


RK

Rajan Kumar

Founder at HackersFriend Updated Aug. 14, 2019, 4:24 p.m. 1958 views

What is Binary Search Tree (BST) ?

Binary Search Tree or BST, is a Binary tree based data sctructure, that keeps all of its elements in sorted …


RK

Rajan Kumar

Founder at HackersFriend Updated Aug. 13, 2019, 12:25 p.m. 1892 views

Merge two Binary search Trees with constant extra space

In this article, I'll talk about Merging two Binary search trees with constant extra space.

Problem

You are given 2 …


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