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HackerRank

★ 93 Open GitHub ↗

HackerRank Online Judge Problem Solutions included Algorithms, Data Structure, Mathematics, Programming Language

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<a href="https://www.hackerrank.com/mokit_hossain201">
		<img src="https://cloud.githubusercontent.com/assets/19765741/25342064/d17a563c-28d8-11e7-83fc-763d4ab4820a.jpg">
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 Problem solutions of HackerRank.


	You can follow me on HackerRank at <a href="https://www.hackerrank.com/mokit_hossain201"> mokit_hossain201 </a>


	<img src="https://img.shields.io/badge/Problems%20Solved-588-brightgreen.svg">
	 
	<img src="https://img.shields.io/badge/Language-C/C++/Java/Python3/Bash/JavaScript/Ruby-blue.svg">
	 
	<img src="https://img.shields.io/badge/Latest%20Update-08/17/2019-brightgreen.svg">

## Problem Solving | Challenges: 116/563 | Points: 2364.59 | Rank: 14850
### Algorithms | Challenges: 90/..
- [Warmup](https://github.com/MrinmoiHossain/HackerRank/tree/master/Algorithms/Warmup)
- [Implementation](https://github.com/MrinmoiHossain/HackerRank/tree/master/Algorithms/Implementation)
- [Strings](https://github.com/MrinmoiHossain/HackerRank/tree/master/Algorithms/Strings)
- [Sorting](https://github.com/MrinmoiHossain/HackerRank/tree/master/Algorithms/Sorting)
- [Search](https://github.com/MrinmoiHossain/HackerRank/tree/master/Algorithms/Search)
- Graph Theory
- [Greedy](https://github.com/MrinmoiHossain/HackerRank/tree/master/Algorithms/Greedy)
- [Dynamic Programming](https://github.com/MrinmoiHossain/HackerRank/tree/master/Algorithms/Dynamic%20Programming)
- Constructive Algorithms
- [Bit Manipulation](https://github.com/MrinmoiHossain/HackerRank/tree/master/Algorithms/Bit%20Manipulation)
- Recursion
- Game Theory
- NP Complete

### DataStructures | Challenges: 26/..
- [Arrays](https://github.com/MrinmoiHossain/HackerRank/tree/master/Data%20Structures/Arrays)
- [Linked Lists](https://github.com/MrinmoiHossain/HackerRank/tree/master/Data%20Structures/Linked%20Lists)
- [Trees](https://github.com/MrinmoiHossain/HackerRank/tree/master/Data%20Structures/Trees)
- Balanced Trees
- [Stacks](https://github.com/MrinmoiHossain/HackerRank/tree/master/Data%20Structures/Stacks)
- Queues
- Heap
- Disjoint Set
- Multiple Choice
- Trie
- Advanced

### Mathematics | Challenges: 39/0 | Points: 514.76 | Rank: 3399
- [Fundamentals](https://github.com/MrinmoiHossain/HackerRank/tree/master/Mathematics/Fundamentals)
- [Number Theory](https://github.com/MrinmoiHossain/HackerRank/tree/master/Mathematics/Number%20Theory)
- [Combinatorics](https://github.com/MrinmoiHossain/HackerRank/tree/master/Mathematics/Combinatorics)
- [Algebra](https://github.com/MrinmoiHossain/HackerRank/tree/master/Mathematics/Algebra)
- [Geometry](https://github.com/MrinmoiHossain/HackerRank/tree/master/Mathematics/Geometry)
- Probability
- [Linear Algebra Foundations](https://github.com/MrinmoiHossain/HackerRank/tree/master/Mathematics/Linear%20Algebra%20Foundations)

## Tutorials

### Interview Preparation Kit
- Not updated

### 30 Days of Code | Challenges: 28/30 | Points: 28
- [Day-0-Hello World](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-0)
- [Day-1-Data Types](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-1)
- [Day-2-Operators](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-2)
- [Day-3-Conditional Statements](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-3)
- [Day-4-Class Vs Instance](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-4)
- [Day-5-Loops](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-5)
- [Day-6-Review](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-6)
- [Day-7-Arrays](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-7)
- [Day-8-Dictionaries and Maps](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-8)
- [Day-9-Recursion](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-9)
- [Day-10-Binary Numbers](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-10)
- [Day-11-2D Arrays](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-11)
- [Day-12-Inheritance](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-12)
- [Day-13-Abstract Classes](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-13)
- [Day-14-Scope](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-14)
- [Day-15-Linked List](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-15)
- [Day-16-Exceptions](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-16)
- [Day-17-More Exceptions](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-17)
- [Day-18-Queues and Stacks](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-18)
- [Day-19-Interfaces](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-19)
- [Day-20-Sorting](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-20)
- [Day-21-Generics](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-21)
- [Day-22-Binary Search Trees
- [Day-23-BST Level Order Traversal
- [Day-24-More Linked Lists](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-24)
- [Day-25-Running Time and Complexity](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-25)
- [Day-26-Nested Logic](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-26)
- [Day-27-Testing](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-27)
- [Day-28-RegEx, Patterns](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-28)
- [Day-29-Bitwise AND](https://github.com/MrinmoiHossain/HackerRank/tree/master/30%20Days%20of%20Code%20Challenges/Day-29)

### 10 Days of Statistics | Challenges: 27/27 | Points: 27
- [Day-0-Mean, Median, Mode, Weighed Mean](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Statistics/Day-0)
- [Day-1-Quartiles, Interquartile Range, Standard Deviation](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Statistics/Day-1)
- [Day-2-Basic Probability, Compound Event Probability](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Statistics/Day-2)
- [Day-3-Conditional Probability](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Statistics/Day-3)
- [Day-4-Binomial Distribution, Geometric Distribution](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Statistics/Day-4)
- [Day-5-Poisson Distribution, Normal Distribution](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Statistics/Day-5)
- [Day-6-The Central Limit Theorem](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Statistics/Day-6)
- [Day-7-Pearson Correlation Coefficient, Spearman's Rank Correlation Coefficient](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Statistics/Day-7)
- [Day-8-Least Square Regression Line](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Statistics/Day-8)
- [Day-9-Multiple Linear Regression](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Statistics/Day-9)

### 10 Days of JavaScript | Challenges: 24/25 | Points: 24
- [Day-0-Hello World, Data Types](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Javascript/Day-0)
- [Day-1-Arithmetic Operators, Functions, Let and Const](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Javascript/Day-1)
- [Day-2-Conditional Statements: If-Else, Switch and Loops](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Javascript/Day-2)
- [Day-3-Arrays, Try, Catch and Finally, Throw]()
- [Day-4-Class and Object](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Javascript/Day-4)
- [Day-5-Inheritance, Template Literals, Arrow Functions](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Javascript/Day-5)
- [Day-6-Bitwise Operators, Dates](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Javascript/Day-6)
- [Day-7-Regular Expressions](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Javascript/Day-7)
- [Day-8-Button, Buttons Container](https://github.com/MrinmoiHossain/HackerRank/tree/master/10%20Days%20of%20Javascript/Day-8)
- [Day-9

## Specialized Skills

### Artificial Intelligence | Challenges: 3/.. | Points: 14 | Rank: 50053
- Bot Building
- A* Search
- Alpha Beta Pruning
- Combinatorial Search
- Games
- [Statistics and Machine Learning](https://github.com/MrinmoiHossain/HackerRank/tree/master/Artificial%20Intelligence/Statistics%20and%20Machine%20Learning)
- Digital Image Analysis
- Natural Language Processing
- [Probability & Statistics - Foundations](https://github.com/MrinmoiHossain/HackerRank/tree/master/Artificial%20Intelligence/Probability%20%26%20Statistics%20-%20Foundations)

### SQL | Challenges: 45/58 | Points: 700 | Rank: 16393
- [Basic Select](https://github.com/MrinmoiHossain/HackerRank/tree/master/SQL/Basic%20Select)
- [Advanced Select](https://github.com/MrinmoiHossain/HackerRank/tree/master/SQL/Advanced%20Select)
- [Aggregation](https://github.com/MrinmoiHossain/HackerRank/tree/master/SQL/Aggregation)
- [Basic Join](https://github.com/MrinmoiHossain/HackerRank/tree/master/SQL/Basic%20Join)
- [Advanced Join
- [Alternative Queries

### Databases
- Relational Algebra
- Indexes
- OLAP
- Set and Algebra
- NoSQL - XML, MapReduce
- Database Normalization

### Distributed Systems
- Multiple Choice
- Client Server
- MapReduce Basics

### Regex | Challenges: 40/0 | Points: 587 | Rank: 1115
- [Introduction](https://github.com/MrinmoiHossain/HackerRank/tree/master/Regex/Introduction)
- [Character Class](https://github.com/MrinmoiHossain/HackerRank/tree/master/Regex/Character%20Class)
- [Repetitions](https://github.com/MrinmoiHossain/HackerRank/tree/master/Regex/Repetitions)
- [Grouping and Capturing](https://github.com/MrinmoiHossain/HackerRank/tree/master/Regex/Grouping%20and%20Capturing)
- [Backreferences](https://github.com/MrinmoiHossain/HackerRank/tree/master/Regex/Backreferences)
- [Assertions](https://github.com/MrinmoiHossain/HackerRank/tree/master/Regex/Assertions)
- [Applications](https://github.com/MrinmoiHossain/HackerRank/tree/master/Regex/Applications)

### Security
- Functions
- Terminology and Concepts
- Cryptography

## Languages Proficiency

### C | Challenges: 21/25 | Points: 410 | Rank: 1656
- [Introduction](https://github.com/MrinmoiHossain/HackerRank/tree/master/C/Introduction)
- [Conditionals and Loops](https://github.com/MrinmoiHossain/HackerRank/tree/master/C/Conditionals%20and%20Loops)
- [Arrays and Strings](https://github.com/MrinmoiHossain/HackerRank/tree/master/C/Arrays%20and%20Strings)
- [Functions](https://github.com/MrinmoiHossain/HackerRank/tree/master/C/Functions)
- [Structs and Enums](https://github.com/MrinmoiHossain/HackerRank/tree/master/C/Structs%20and%20Enums)

### C++ | Challenges: 30/44 | Points: 515 | Rank: 8086
- [Introduction](https://github.com/MrinmoiHossain/HackerRank/tree/master/C%2B%2B/Introduction)
- [Strings](https://github.com/MrinmoiHossain/HackerRank/tree/master/C%2B%2B/Strings)
- [Classes](https://github.com/MrinmoiHossain/HackerRank/tree/master/C%2B%2B/Classes)
- [STL](https://github.com/MrinmoiHossain/HackerRank/tree/master/C%2B%2B/STL)
- [Inheritance](https://github.com/MrinmoiHossain/HackerRank/tree/master/C%2B%2B/Inheritance)
- [Other Concepts](https://github.com/MrinmoiHossain/HackerRank/tree/master/C%2B%2B/Other%20Concepts)

### Java | Challenges: 25/64 | Points: 260.76 | Rank: 38889
- [Introduction](https://github.com/MrinmoiHossain/HackerRank/tree/master/Java/Introduction)
- [Strings](https://github.com/MrinmoiHossain/HackerRank/tree/master/Java/Strings)
- [BigNumber](https://github.com/MrinmoiHossain/HackerRank/tree/master/Java/BigNumber)
- [Data Structures](https://github.com/MrinmoiHossain/HackerRank/tree/master/Java/Data%20Structures)
- [Object Oriented Programming
- [Exception Handling
- [Advanced

### Python | Challenges: 115/115 | Points: 2305 | Rank: 001
- [Introduction](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Introduction)
- [Basic Data Types](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Basic%20Data%20Types)
- [Strings](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Strings)
- [Sets](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Sets)
- [Math](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Math)
- [Itertools](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Itertools)
- [Collections](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Collections)
- [Date and Time](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Date%20and%20Time)
- [Errors and Exceptions](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Errors%20and%20Exceptions)
- [Classes](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Classes)
- [Built-Ins](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Built-Ins)
- [Python Functionals](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Python%20Functionals)
- [Regex and Parsing](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Regex%20and%20Parsing)
- [XML](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/XML)
- [Closures and Decorators](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Closures%20and%20Decorators)
- [Numpy](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Numpy)
- [Debugging](https://github.com/MrinmoiHossain/HackerRank/tree/master/Python/Debugging)

### Ruby | Challenges: 9/41 | Points: 610 | Rank: 001
- [Introduction](https://github.com/MrinmoiHossain/HackerRank/tree/master/Ruby/Introduction)
- [Control Structures](https://github.com/MrinmoiHossain/HackerRank/tree/master/Ruby/Control%20Structures)
- Arrays & Hashes
- Enumerables
- Methods
- Strings

### Linux Shell | Challenges: 48/0 | Points: 74 | Rank: 4736
- [Bash](https://github.com/MrinmoiHossain/HackerRank/tree/master/Linux%20Shell/Bash)
- [Text Processing](https://github.com/MrinmoiHossain/HackerRank/tree/master/Linux%20Shell/Text%20Processing)
- [Arrays in Bash](https://github.com/MrinmoiHossain/HackerRank/tree/master/Linux%20Shell/Arrays%20in%20Bash)
- Grep Sed Awk

### Functional Programming
- Introduction
- Recursion
- Functional Structures
- Memoization and DP
- Persistent Structures
- Ad Hoc
- Parsers
- Interpreter and Compilers

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