Solutions to HackerRank practice problems.

• 30 Days of Code

  • Day 0
    • Hello, World | Problem | Solution | Score : 30
  • Day 1
    • Data Types | Problem | Solution | Score : 30
  • Day 2
    • Operators | Problem | Solution | Score : 30
  • Day 3
    • Intro to Conditional Statements | Problem | Solution | Score : 30
  • Day 4
    • Class vs. Instance | Problem | Solution | Score : 30
  • Day 5
    • Loops | Problem | Solution | Score : 30
  • Day 6
    • Let's Review | Problem | Solution | Score : 30
  • Day 7
    • Arrays | Problem | Solution | Score : 30

• Python

  • Introduction
    • Say Hello, World! With Python | Problem | Solution | Score : 5
    • Python If-Else | Problem | Solution | Score : 10
    • Arithmetic Operators | Problem | Solution | Score : 10
    • Python Division | Problem | Solution | Score : 10
    • Loops | Problem | Solution | Score : 10
    • Write a function | Problem | Solution | Score : 10
    • Print Function | Problem | Solution | Score : 20
  • Basic Data Types
    • List Comprehensions | Problem | Solution | Score : 10
    • Find the Runner-Up Score! | Problem | Solution | Score : 10
  • Strings
    • sWAP cASE | Problem | Solution | Score : 10
    • String Split and Join | Problem | Solution | Score : 10
    • What's Your Name | Problem | Solution | Score : 10
    • Mutations | Problem | Solution | Score : 10
  • Sets
    • Set add() | Problem | Solution | Score : 10
    • Set union() Operation | Problem | Solution | Score : 10
    • Set intersection() Operation | Problem | Solution | Score : 10
  • Math
    • Mod Divmod | Problem | Solution | Score : 10
    • Power - Mod Power | Problem | Solution | Score : 10
  • Itertools
    • itertools.product() | Problem | Solution | Score : 10
  • Numpy
    • Arrays | Problem | Solution | Score : 20

• SQL

  • Basic Select
    • Revising the Select Query I | Problem | Solution | Score : 10
    • Revising the Select Query II | Problem | Solution | Score : 10
    • Select All | Problem | Solution | Score : 10
    • Select By ID | Problem | Solution | Score : 10
    • Japanese Cities' Attributes | Problem | Solution | Score : 10
    • Japanese Cities' Names | Problem | Solution | Score : 10
    • Weather Observation Station 1 | Problem | Solution | Score : 15
    • Weather Observation Station 3 | Problem | Solution | Score : 10
    • Weather Observation Station 4 | Problem | Solution | Score : 10
    • Employee Names | Problem | Solution | Score : 10