Learn essential data structures and algorithms

Data structures

• Arrays
• Hashes
• LinkedLists and DoublyLinkedLists
• Stacks
• Queues
• Binary Trees

Problems

• Reverse string multiple ways
• First recurring number
• Merge sorted arrays
• Reverse linked list
• Chunk array
• Anagrams
• FizzBuzz
• Palindromes
• Steps
• Vowels
• Spiral Matrix
• Fibonacci
• Weave
• Validate
• MidPoint
• Levelwidth
• FromLast
• ... a lot more