Hi there! Here you can entertain yourself with some algorithms questions. My solutions are in various languages: Javascript, Swift, Java, Kotlin. For some of them I’ve add a Big-O runtime analysis.
- Game of Life
 - Is Palindrome (easy)
 - Nested Headings
 - Top K Frequency (easy)
 - String Compression
 - Integer Binary
 - Pair Sum is N
 - Power of Two
 - Reverse an Integer (easy)
 - Combine Arrays (easy)
 - Level Tree Traversal (easy)
 - Set of All Subsets
 - Reflected Binary
 - Maximum Gain
 - Stacks as Queue
 - String Permutations
 - Is Anagram (easy)
 - Delete List Nodes
 - Bad Commit
 - Clock Hands (easy)
 - Ad Impressions (easy)
 - Reverse Linked List
 - Circular Linked List
 - Format Currency (easy)
 - Triangle Number
 - Largest Product I
 - Largest Product II
 - Matrix Matching
 - Keypad Combos
 - Minesweeper
 - Number to English