HackerRank

Solutions to problems on HackerRank

• Python

Python

Subdomain	Challenge	Score	Difficulty	Solution
Introduction	Say "Hello, World!" With Python	5	Easy	Solution.py
Introduction	Python If-Else	10	Easy	Solution.py
Introduction	Arithmetic Operators	10	Easy	Solution.py
Introduction	Python: Division	10	Easy	Solution.py
Introduction	Loops	10	Easy	Solution.py
Introduction	Write a function	10	Medium	Solution.py
Introduction	Print Function	20	Easy	Solution.py
Basic Data Types	List Comprehensions	10	Easy	Solution.py
Basic Data Types	Find the Runner-Up Score!	10	Easy	Solution.py
Basic Data Types	Nested Lists	10	Easy	Solution.py
Basic Data Types	Finding the percentage	10	Easy	Solution.py
Basic Data Types	Lists	10	Easy	Solution.py
Basic Data Types	Tuples	10	Easy	Solution.py
Strings	sWAP cASE	10	Easy	Solution.py
Strings	String Split and Join	10	Easy	Solution.py
Strings	What's Your Name?	10	Easy	Solution.py
Strings	Mutations	10	Easy	Solution.py
Strings	Find a string	10	Easy	Solution.py
Strings	String Validators	10	Easy	Solution.py
Strings	Text Alignment	10	Easy	Solution.py
Strings	Text Wrap	10	Easy	Solution.py
Strings	Designer Door Mat	10	Easy	Solution.py
Strings	String Formatting	10	Easy	Solution.py
Strings	Alphabet Rangoli	20	Easy	Solution.py
Strings	Capitalize!	20	Easy	Solution.py
Strings	The Minion Game	40	Medium	Solution.py
Strings	Merge the Tools!	40	Medium	Solution.py
Sets	Introduction to Sets	10	Easy	Solution.py
Sets	No Idea!	50	Medium	Solution.py
Sets	Symmetric Difference	10	Easy	Solution.py
Sets	Set .add()	10	Easy	Solution.py
Sets	Set .discard(), .remove() & .pop()	10	Easy	Solution.py
Sets	Set .union() Operation	10	Easy	Solution.py
Sets	Set .intersection() Operation	10	Easy	Solution.py
Sets	Set .difference() Operation	10	Easy	Solution.py
Sets	Set .symmetric_difference() Operation	10	Easy	Solution.py
Sets	Set Mutations	10	Easy	Solution.py
Sets	The Captain's Room	10	Easy	Solution.py
Sets	Check Subset	10	Easy	Solution.py
Sets	Check Strict Superset	10	Easy	Solution.py
Math	Polar Coordinates	10	Easy	Solution.py
Math	Find Angle MBC	10	Medium	Solution.py
Math	Triangle Quest 2	20	Medium	Solution.py
Math	Mod Divmod	10	Easy	Solution.py
Math	Power - Mod Power	10	Easy	Solution.py
Math	Integers Come In All Sizes	10	Easy	Solution.py
Math	Triangle Quest	20	Medium	Solution.py
Itertools	itertools.product()	10	Easy	Solution.py
Itertools	itertools.permutations()	10	Easy	Solution.py
Itertools	itertools.combinations()	10	Easy	Solution.py
Itertools	itertools.combinations_with_replacement()	10	Easy	Solution.py
Itertools	Compress the String!	20	Medium	Solution.py
Itertools	Iterables and Iterators	40	Medium	Solution.py
Itertools	Maximize It!	50	Hard	Solution.py
Collections	Collections.Counter()	10	Easy	Solution.py
Collections	DefaultDict Tutorial	20	Easy	Solution.py
Collections	Collections.namedtuple()	20	Easy	Solution.py
Collections	Collections.OrderedDict()	20	Easy	Solution.py
Collections	Word Order	50	Medium	Solution.py
Collections	Collections.deque()	20	Easy	Solution.py
Collections	Company Logo	30	Medium	Solution.py
Collections	Piling Up!	50	Medium	Solution.py
Date and Time	Calendar Module	10	Easy	Solution.py
Date and Time	Time Delta	30	Medium	Solution.py
Errors and Exceptions	Exceptions	10	Easy	Solution.py
Errors and Exceptions	Incorrect Regex	20	Easy	Solution.py
Classes	Classes: Dealing with Complex Numbers	20	Medium	Solution.py
Classes	Class 2 - Find the Torsional Angle	20	Easy	Solution.py
Built-Ins	Zipped!	10	Easy	Solution.py
Built-Ins	Input()	20	Easy	Solution.py
Built-Ins	Python Evaluation	20	Easy	Solution.py
Built-Ins	Athlete Sort	30	Medium	Solution.py
Built-Ins	Any or All	20	Easy	Solution.py
Built-Ins	ginortS	40	Medium	Solution.py
Python Functionals	Map and Lambda Function	20	Easy	Solution.py
Python Functionals	Validating Email Addresses With a Filter	20	Medium	Solution.py
Python Functionals	Reduce Function	30	Medium	Solution.py
Regex and Parsing	Detect Floating Point Number	20	Easy	Solution.py
Regex and Parsing	Re.split()	20	Easy	Solution.py
Regex and Parsing	Group(), Groups() & Groupdict()	20	Easy	Solution.py
Regex and Parsing	Re.findall() & Re.finditer()	20	Easy	Solution.py
Regex and Parsing	Re.start() & Re.end()	20	Easy	Solution.py
Regex and Parsing	Regex Substitution	20	Medium	Solution.py
Regex and Parsing	Validating Roman Numerals	20	Easy	Solution.py
Regex and Parsing	Validating phone numbers	20	Easy	Solution.py
Regex and Parsing	Validating and Parsing Email Addresses	20	Easy	Solution.py
Regex and Parsing	Hex Color Code	30	Easy	Solution.py
Regex and Parsing	HTML Parser - Part 1	30	Easy	Solution.py
Regex and Parsing	HTML Parser - Part 2	30	Easy	Solution.py
Regex and Parsing	Detect HTML Tags, Attributes and Attribute Values	30	Easy	Solution.py
Regex and Parsing	Validating UID	40	Easy	Solution.py
Regex and Parsing	Validating Credit Card Numbers	40	Medium	Solution.py
Regex and Parsing	Validating Postal Codes	80	Hard	Solution.py
Regex and Parsing	Matrix Script	100	Hard	Solution.py
XML	XML 1 - Find the Score	20	Easy	Solution.py
XML	XML2 - Find the Maximum Depth	20	Easy	Solution.py
Closures and Decorators	Standardize Mobile Number Using Decorators	30	Easy	Solution.py
Closures and Decorators	Decorators 2 - Name Directory	30	Easy	Solution.py
Numpy	Arrays	20	Easy	Solution.py
Numpy	Shape and Reshape	20	Easy	Solution.py
Numpy	Transpose and Flatten	20	Easy	Solution.py
Numpy	Concatenate	20	Easy	Solution.py
Numpy	Zeros and Ones	20	Easy	Solution.py
Numpy	Eye and Identity	20	Easy	Solution.py
Numpy	Array Mathematics	20	Easy	Solution.py
Numpy	Floor, Ceil and Rint	20	Easy	Solution.py
Numpy	Sum and Prod	20	Easy	Solution.py
Numpy	Min and Max	20	Easy	Solution.py
Numpy	Mean, Var, and Std	20	Easy	Solution.py
Numpy	Dot and Cross	20	Easy	Solution.py
Numpy	Inner and Outer	20	Easy	Solution.py
Numpy	Polynomials	20	Easy	Solution.py
Numpy	Linear Algebra	20	Easy	Solution.py
Debugging	Words Score	10	Medium	Solution.py
Debugging	Default Arguments	30	Medium	Solution.py