Hackerrank_30daysOFcode

Repository for Hackerrank 30 Days of Code
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NOTE: Before creating a Pull Request, make sure you add ✅ to Completed or if it can not be execute in that particular language then add ❌ to Completed in that particular problem.

Introduction

Thirty days of code by Hacker rank is aimed at improving your coding skills by coding for 30 days in a row. You can also unlock a new code challenge and tutorial each day and then, submit solutions in Java, C++ and other popular languages. But, this can prove to be quite a difficult task at times. So, here are some solutions for you to go through.

Table of Contents

• Introduction
• Table of Contents
  • Solutions
  • Completed
  • About The Repo

Solutions

NOTE: First, try to solve it on your own. If facing some difficulty, you can see this.

• Python
• C++
• Java
• Javascript
• Go
• C
• C#
• PHP

Completed

✅ ⇒ Completed

❌ ⇒ Invalid/Cannot be implemented

Day	Problem Statement	Python	C	C++	Java	Javascript	Go	C#	PHP
00	Hello, World.	✅	✅	✅	✅	✅	✅	✅	✅
01	Data Types	✅	✅	✅	✅	✅	✅	✅	✅
02	Operators	✅	✅	✅	✅	✅	✅	✅	❌
03	Intro to Conditional Statements	✅	✅	✅	✅	✅	✅	✅	✅
04	Class vs. Instance	✅	✅	✅	✅	✅	✅	✅	✅
05	Loops	✅	✅	✅	✅	✅	✅	✅	✅
06	Let's Review	✅	✅	✅	✅	✅	✅	✅	✅
07	Arrays	✅	✅	✅	✅	✅	✅	✅	✅
08	Dictionaries and Maps	✅	✅	✅	✅	✅	✅	✅	✅
09	Recursion 3	✅	✅	✅	✅	✅	✅	✅	✅
10	Binary Numbers	✅	✅	✅	✅	✅	✅	✅	✅
11	2D Arrays	✅	✅	✅	✅	✅	✅	✅	✅
12	Inheritance	✅	❌	✅	✅	✅	✅	✅	✅
13	Abstract Classes	✅	❌	✅	✅	✅	✅	✅	✅
14	Scope	✅	❌	✅	✅	✅	✅	✅	✅
15	Linked List	✅	✅	✅	✅	✅	✅	✅
16	Exceptions - String to Integer	✅	❌	✅	✅	✅	✅	✅
17	More Exceptions	✅	❌	✅	✅	✅	✅	✅
18	Queues and Stacks	✅	❌	✅	✅	✅	✅	✅
19	Interfaces	✅	❌	✅	✅	✅	✅	✅
20	Sorting	✅	✅	✅	✅	✅	✅	✅
21	Generics	❌	❌	✅	✅	❌	✅	✅
22	Binary Search Trees	✅	✅	✅	✅	✅	✅	✅
23	BST Level-Order Traversal	✅	✅	✅	✅	✅	✅	✅
24	More Linked Lists	✅	✅	✅	✅	✅		✅
25	Running Time and Complexity	✅	✅	✅	✅	✅	✅
26	Nested Logic	✅	✅	✅	✅	✅	✅	✅
27	Testing	✅	❌	✅	✅	❌
28	RegEx, Patterns, and Intro to Databases	✅	✅	✅	✅	✅	✅
29	Bitwise AND	✅	✅	✅	✅	✅	✅	✅

About The Repo

This is a repository aiming to provide solutions for 30 days code challenge (2020) conducted on Hackerrank. The solutions are available in major languages like C, C++, Python, Go ,Java ,C# and Javascript as of now. It is a great platform for users to contribute and provide the solutions in other languages too.

Happy coding!