Hacker Rank Challenges

My solved challenges in Hacker Hank.

• Warmup
  • Solve Me First

• Introduction
  • Say "Hello, World!"
  • Python If-Else
  • Arithmetic Operators
  • Python: Division
  • Loops
  • Write a function
  • Print Function
• Basic Data Types
  • Lists
    • Lists(Alternative solution)
  • Tuples
  • List Comprehensions
  • Find the Second Largest Number
  • Nested Lists
  • Finding the percentage
• Strings
  • sWAP cASE
  • String Split and Join
  • What's Your Name?
  • Mutations
  • Find a string
  • String validators
  • Text Alignment
  • Text Wrap
  • Designer Door Mat
  • String Formatting
  • Alphabet Rangoli
  • Capitalize
  • The Minion Game
  • Merge the Tools
• Sets
  • Introduction to Sets
  • Symmetric Difference
  • No Idea!
  • Set .add()
  • Set .discard(), .remove() & .pop()
  • Set .union() Operation
  • Set .intersection() Operation
  • Set .difference() Operation
  • Set .symmetric_difference() Operation
  • Set Mutations
  • The Captain's Room
  • Check Subset
  • Check Strict Superset
• Math
  • Polar Coordinates
  • Find Angle MBC
  • Triangle Quest 2
  • Mod Divmod
  • Power - Mod Power
  • Integers Come In All Sizes
  • Triangle Quest
• Itertools
  • itertools.product()
  • itertools.permutations()
  • itertools.combinations()
  • itertools.combinations_with_replacement()
  • Compress the String!
  • Iterables and Iterators
  • Maximize It!
• Collections
  • collections.Counter()
  • DefaultDict Tutorial
  • Collections.namedtuple()
  • Collections.OrderedDict()
  • Word Order
  • Collections.deque()
  • Piling Up!
  • Most Common
• Date and Time
  • Calendar Module
  • Time Delta
• Errors and Exceptions
  • Exceptions
  • Incorrect Regex
• Classes
  • Classes: Dealing with Complex Numbers
  • Class 2 - Find the Torsional Angle
• Built-Ins
  • Zipped!
  • Input()
  • Python Evaluation
  • Sort Data
  • Any or All
  • ginortS
• Python Functionals
  • Map and Lambda Function
  • Validating Email Addresses With a Filter
  • Reduce Function
• Regex and Parsing
  • Introduction to Regex Module
  • Re.split()
  • Group(), Groups() & Groupdict()
  • Re.findall() & Re.finditer()
  • Re.start() & Re.end()
  • Regex Substitution
  • Validating Roman Numerals
  • Validating phone numbers
  • Validating and Parsing Email Addresses
  • Hex Color Code
  • HTML Parser - Part 1
  • HTML Parser - Part 2
  • Detect HTML Tags, Attributes and Attribute Values
  • Validating UID
  • Validating Credit Card Numbers
  • Validating Postal Codes
  • Matrix Script
• XML
  • XML1 - Find the Score
  • XML2 - Find the Maximum Depth
• Closures and Decorators
  • Standardize Mobile Number Using Decorators
  • Decorators 2 - Name Directory
• Numpy
  • Arrays
  • Shape and Reshape
  • Transpose and Flatten
  • Concatenate
  • Zeros and Ones
  • Eye and Identity
  • Array Mathematics
  • Floor, Ceil and Rint
  • Sum and Prod
  • Min and Max
  • Mean, Var, and Std
  • Dot and Cross
  • Inner and Outer
  • Polynomials
  • Linear Algebra

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