README.md

Codewars Challenges

This repository holds my completed Codewars challeneges, organized by programming language and difficulty (kyu).

My username and current rank:

Contents

Python

• 1 kyu
  • Become Immortal
• 2 kyu
  • Symbolic Differentiation of Prefix Expressions
  • Simpler Interactive Interpreter (REPL)
  • Insane Coloured Triangles
  • Evaluate Mathematical Expression
• 3 kyu
  • Last Digit of a Huge Number
  • Sudoku Solver
  • The Millionth Fibonacci Kata
  • Battleship Field Validator
  • Calculator
  • Binomial Expansion
  • The Lift
  • Alphabetic Anagrams
• 4 kyu
  • Catching Car Mileage Numbers
  • Nesting Structure Comparison
  • Twice Linear
  • Strings Mix
  • Range Extraction
  • Strip Comments
  • The Observed PIN
  • Sudoku Solution Validator
  • Snail
  • Next Smaller Number With the Same Digits
  • Most Frequently Used Words in a Text
  • Sum of Intervals
  • Permutations
  • Ten-Pin Bowling
  • Human Readable Duration Format
• 5 kyu
  • Common Denominators
  • Greed is Good
  • Merged String Checker
  • Scramblies
  • Human Readable Time
  • Factorial Decomposition
• 6 kyu
  • Decode the Morse Code I of III
  • Remove a Specific Element of an Array
  • Total Primes
  • Vasya - Clerk
  • Prime Product - 303

SQL

• 3 kyu
  • Challenge: Transpose Two-Dimensional Arrays
• 4 kyu
  • Calculating Month-Over-Month Percentage Growth Rate
  • Challenge: Two Actors Who Cast Together the Most
  • Dealing With Messy Data
• 5 kyu
  • Relational Division: Find All Movies Two Actors Cast in Together
  • SQL Basics: Group By Day
  • SQL Statistics - MIN, MEDIAN, MAX
  • Calculating Running Total
  • SQLonacci Sequence
• 6 kyu
  • SQL Basics: Simple HAVING
  • SQL Basics: Simple IN
  • SQL Basics: Simple EXISTS
  • SQL Basics: Simple UNION ALL
  • SQL Basics: Top 10 Customers by Total Payments Amount
  • SQL Basics: Simple JOIN and RANK
  • SQL Basics - Monsters using CASE
  • SQL Bug Fixing: Fix the QUERY - Totaling
  • SQL Basics: Simple Table Totaling
  • SQL Basics: Simple WITH
  • SQL Bug Fixing: Fix the JOIN
  • SQL Basics: Simple NULL handling
  • Conditional Count
  • Calculating Batting Average
  • SQL Basics: Create a FUNCTION (DATES)